20210526Attachment_C_to_Order_No_35052.pdf

ATTACHMENT C
Attachment C to Order No. 35052 Case No. GNR-E-21-01
Page 1 of 11
Seasonalization Factors
Season 1 108.00%(Applied to July - February)Season 2 84.00%(Applied to March - June)
$1.67 ($3.33)
Contract Length Flat Heavy Load Hour Light Load Hour Price Price Price Price Price Price Price Price
1 27.93 29.60 24.60 30.16 27.75 31.97 29.41 26.57 24.44 23.46 21.58 24.86 22.87 20.66 19.01 27.93 25.70 29.60 27.23 24.60 22.63
2 28.30 29.97 24.97 30.56 28.12 32.37 29.78 26.97 24.81 23.77 21.87 25.17 23.16 20.97 19.29 28.30 26.04 29.97 27.57 24.97 22.97
3 28.13 29.80 24.80 30.38 27.95 32.18 29.61 26.78 24.64 23.63 21.74 25.03 23.03 20.83 19.16 28.13 25.88 29.80 27.42 24.80 22.82
4 27.73 29.40 24.40 29.95 27.55 31.75 29.21 26.35 24.24 23.29 21.43 24.69 22.71 20.49 18.85 27.73 25.51 29.40 27.05 24.40 22.45
5 27.78 29.45 24.45 30.00 27.60 31.81 29.27 26.41 24.30 23.34 21.47 24.74 22.76 20.54 18.90 27.78 25.56 29.45 27.09 24.45 22.49
6 28.51 30.18 25.18 30.79 28.33 32.59 29.98 27.19 25.01 23.95 22.03 25.35 23.32 21.15 19.46 28.51 26.23 30.18 27.77 25.18 23.17
7 29.21 30.88 25.88 31.55 29.03 33.35 30.68 27.95 25.71 24.54 22.58 25.94 23.86 21.74 20.00 29.21 26.87 30.88 28.41 25.88 23.81
8 29.94 31.61 26.61 32.34 29.75 34.14 31.41 28.74 26.44 25.15 23.14 26.56 24.44 22.36 20.57 29.94 27.54 31.61 29.08 26.61 24.48
9 30.68 32.35 27.35 33.14 30.49 34.94 32.14 29.54 27.18 25.77 23.71 27.18 25.01 22.98 21.14 30.68 28.23 32.35 29.76 27.35 25.16
10 31.35 33.02 28.02 33.86 31.15 35.66 32.81 30.26 27.84 26.34 24.23 27.74 25.52 23.54 21.66 31.35 28.84 33.02 30.38 28.02 25.78
11 31.99 33.66 28.66 34.54 31.78 36.35 33.44 30.95 28.47 26.87 24.72 28.27 26.01 24.07 22.14 31.99 29.43 33.66 30.97 28.66 26.37
12 32.62 34.29 29.29 35.23 32.41 37.03 34.07 31.63 29.10 27.40 25.21 28.80 26.50 24.60 22.63 32.62 30.01 34.29 31.55 29.29 26.95
13 33.24 34.91 29.91 35.90 33.03 37.70 34.68 32.30 29.72 27.92 25.69 29.32 26.97 25.12 23.11 33.24 30.58 34.91 32.12 29.91 27.52
14 33.83 35.50 30.50 36.53 33.61 38.34 35.27 32.94 30.30 28.41 26.14 29.82 27.43 25.62 23.57 33.83 31.12 35.50 32.66 30.50 28.06
15 34.38 36.05 31.05 37.13 34.16 38.93 35.82 33.53 30.85 28.88 26.57 30.28 27.86 26.08 23.99 34.38 31.63 36.05 33.17 31.05 28.57
16 34.89 36.56 31.56 37.68 34.67 39.49 36.33 34.09 31.36 29.31 26.97 30.71 28.25 26.51 24.39 34.89 32.10 36.56 33.64 31.56 29.04
17 35.36 37.03 32.03 38.19 35.13 40.00 36.80 34.60 31.83 29.71 27.33 31.11 28.62 26.91 24.76 35.36 32.53 37.03 34.07 32.03 29.47
18 35.83 37.50 32.50 38.70 35.60 40.50 37.26 35.10 32.29 30.10 27.69 31.50 28.98 27.30 25.12 35.83 32.96 37.50 34.50 32.50 29.90
19 36.27 37.94 32.94 39.17 36.04 40.97 37.69 35.57 32.72 30.46 28.02 31.87 29.32 27.67 25.46 36.27 33.37 37.94 34.90 32.94 30.30
20 36.68 38.35 33.35 39.61 36.44 41.42 38.11 36.02 33.14 30.81 28.35 32.21 29.63 28.01 25.77 36.68 33.75 38.35 35.28 33.35 30.68
$1.67 ($3.33)
Contract Length Flat Heavy Load Hour Light Load Hour Price Price Price Price Price Price Price Price Price
1 28.69 30.36 25.36 30.99 28.51 32.79 30.17 27.39 25.20 24.10 22.17 25.51 23.47 21.31 19.61 28.69 26.39 30.36 27.93 25.36 23.33
2 28.24 29.91 24.91 30.50 28.06 32.31 29.73 26.91 24.76 23.72 21.82 25.13 23.12 20.93 19.26 28.24 25.98 29.91 27.52 24.91 22.92
3 27.65 29.32 24.32 29.86 27.47 31.67 29.14 26.27 24.17 23.23 21.37 24.63 22.66 20.43 18.80 27.65 25.44 29.32 26.97 24.32 22.37
4 27.74 29.41 24.41 29.96 27.56 31.76 29.22 26.36 24.25 23.30 21.44 24.70 22.72 20.50 18.86 27.74 25.52 29.41 27.06 24.41 22.46
5 28.65 30.32 25.32 30.94 28.46 32.75 30.13 27.35 25.16 24.07 22.14 25.47 23.43 21.27 19.57 28.65 26.36 30.32 27.89 25.32 23.29
6 29.48 31.15 26.15 31.84 29.29 33.65 30.96 28.25 25.99 24.77 22.79 26.17 24.08 21.97 20.21 29.48 27.12 31.15 28.66 26.15 24.06
7 30.32 31.99 26.99 32.75 30.13 34.55 31.79 29.15 26.82 25.47 23.43 26.87 24.72 22.67 20.86 30.32 27.89 31.99 29.43 26.99 24.83
8 31.15 32.82 27.82 33.64 30.95 35.45 32.61 30.05 27.65 26.17 24.08 27.57 25.36 23.37 21.50 31.15 28.66 32.82 30.19 27.82 25.59
9 31.89 33.56 28.56 34.44 31.68 36.24 33.34 30.84 28.37 26.78 24.64 28.19 25.93 23.99 22.07 31.89 29.34 33.56 30.88 28.56 26.28
10 32.57 34.24 29.24 35.18 32.37 36.98 34.02 31.58 29.05 27.36 25.17 28.76 26.46 24.56 22.60 32.57 29.96 34.24 31.50 29.24 26.90
11 33.26 34.93 29.93 35.92 33.05 37.72 34.70 32.32 29.73 27.94 25.70 29.34 26.99 25.14 23.13 33.26 30.60 34.93 32.14 29.93 27.54
12 33.92 35.59 30.59 36.64 33.71 38.44 35.36 33.04 30.40 28.49 26.21 29.90 27.51 25.70 23.64 33.92 31.21 35.59 32.74 30.59 28.14
13 34.55 36.22 31.22 37.31 34.33 39.11 35.98 33.71 31.01 29.02 26.70 30.42 27.99 26.22 24.12 34.55 31.79 36.22 33.32 31.22 28.72
14 35.13 36.80 31.80 37.94 34.90 39.74 36.56 34.34 31.59 29.51 27.15 30.91 28.44 26.71 24.57 35.13 32.32 36.80 33.86 31.80 29.26
15 35.67 37.34 32.34 38.53 35.45 40.33 37.10 34.93 32.14 29.97 27.57 31.37 28.86 27.17 25.00 35.67 32.82 37.34 34.35 32.34 29.75
16 36.17 37.84 32.84 39.06 35.94 40.87 37.60 35.47 32.63 30.38 27.95 31.79 29.25 27.59 25.38 36.17 33.28 37.84 34.81 32.84 30.21
17 36.66 38.33 33.33 39.59 36.42 41.40 38.09 36.00 33.12 30.80 28.34 32.20 29.62 28.00 25.76 36.66 33.73 38.33 35.26 33.33 30.66
18 37.12 38.79 33.79 40.09 36.88 41.89 38.54 36.49 33.57 31.18 28.69 32.58 29.97 28.38 26.11 37.12 34.15 38.79 35.69 33.79 31.09
19 37.55 39.22 34.22 40.55 37.31 42.36 38.97 36.96 34.00 31.54 29.02 32.94 30.30 28.74 26.44 37.55 34.55 39.22 36.08 34.22 31.48
20 37.96 39.63 34.63 41.00 37.72 42.80 39.38 37.40 34.41 31.89 29.34 33.29 30.63 29.09 26.76 37.96 34.92 39.63 36.46 34.63 31.86
$1.67 ($3.33)
Contract Length
Flat Heavy Load Hour Light Load Hour Price Price Price Price Price Price Price Price Price1 27.76 29.43 24.43 29.98 27.58 31.78 29.24 26.38 24.27 23.32 21.45 24.72 22.74 20.52 18.88 27.76 25.54 29.43 27.08 24.43 22.482 27.07 28.74 23.74 29.24 26.90 31.04 28.56 25.64 23.59 22.74 20.92 24.14 22.21 19.94 18.34 27.07 24.90 28.74 26.44 23.74 21.843 27.37 29.04 24.04 29.56 27.20 31.36 28.85 25.96 23.88 22.99 21.15 24.39 22.44 20.19 18.57 27.37 25.18 29.04 26.72 24.04 22.124 28.64 30.31 25.31 30.93 28.46 32.73 30.11 27.33 25.14 24.06 22.14 25.46 23.42 21.26 19.56 28.64 26.35 30.31 27.89 25.31 23.295 29.68 31.35 26.35 32.05 29.49 33.85 31.14 28.45 26.17 24.93 22.94 26.33 24.22 22.13 20.36 29.68 27.31 31.35 28.84 26.35 24.246 30.67 32.34 27.34 33.12 30.47 34.92 32.13 29.52 27.16 25.76 23.70 27.16 24.99 22.96 21.12 30.67 28.22 32.34 29.75 27.34 25.157 31.61 33.28 28.28 34.14 31.41 35.94 33.06 30.54 28.10 26.55 24.43 27.96 25.72 23.76 21.86 31.61 29.08 33.28 30.62 28.28 26.028 32.43 34.10 29.10 35.02 32.22 36.83 33.88 31.43 28.92 27.24 25.06 28.64 26.35 24.44 22.48 32.43 29.84 34.10 31.37 29.10 26.779 33.18 34.85 29.85 35.83 32.96 37.63 34.62 32.23 29.65 27.87 25.64 29.27 26.93 25.07 23.06 33.18 30.53 34.85 32.06 29.85 27.4610 33.92 35.59 30.59 36.63 33.70 38.43 35.36 33.03 30.39 28.49 26.21 29.89 27.50 25.69 23.63 33.92 31.21 35.59 32.74 30.59 28.1411 34.63 36.30 31.30 37.40 34.41 39.20 36.06 33.80 31.10 29.09 26.76 30.49 28.05 26.29 24.19 34.63 31.86 36.30 33.40 31.30 28.8012 35.30 36.97 31.97 38.12 35.07 39.92 36.73 34.52 31.76 29.65 27.28 31.05 28.57 26.85 24.70 35.30 32.48 36.97 34.01 31.97 29.4113 35.91 37.58 32.58 38.79 35.69 40.59 37.34 35.19 32.37 30.17 27.76 31.57 29.04 27.37 25.18 35.91 33.04 37.58 34.57 32.58 29.9714 36.49 38.16 33.16 39.41 36.26 41.21 37.91 35.81 32.95 30.65 28.20 32.05 29.49 27.85 25.62 36.49 33.57 38.16 35.11 33.16 30.5115 37.01 38.68 33.68 39.97 36.77 41.77 38.43 36.37 33.46 31.09 28.60 32.49 29.89 28.29 26.03 37.01 34.05 38.68 35.59 33.68 30.9916 37.52 39.19 34.19 40.53 37.29 42.33 38.94 36.93 33.98 31.52 29.00 32.92 30.29 28.72 26.42 37.52 34.52 39.19 36.05 34.19 31.4517 38.00 39.67 34.67 41.04 37.76 42.84 39.41 37.44 34.44 31.92 29.37 33.32 30.65 29.12 26.79 38.00 34.96 39.67 36.50 34.67 31.9018 38.45 40.12 35.12 41.53 38.21 43.33 39.86 37.93 34.90 32.30 29.72 33.70 31.00 29.50 27.14 38.45 35.37 40.12 36.91 35.12 32.3119 38.88 40.55 35.55 41.99 38.63 43.79 40.29 38.39 35.32 32.66 30.05 34.06 31.34 29.86 27.47 38.88 35.77 40.55 37.31 35.55 32.7120 39.28 40.95 35.95 42.42 39.03 44.23 40.69 38.83 35.72 33.00 30.36 34.40 31.65 30.20 27.78 39.28 36.14 40.95 37.67 35.95 33.07
$1.67 ($3.33)
Contract Length Flat Heavy Load Hour Light Load Hour Price Price Price Price Price Price Price Price Price1 26.33 28.00 23.00 28.44 26.16 30.24 27.82 24.84 22.85 22.12 20.35 23.52 21.64 19.32 17.77 26.33 24.22 28.00 25.76 23.00 21.162 27.16 28.83 23.83 29.33 26.98 31.13 28.64 25.73 23.67 22.81 20.99 24.21 22.27 20.01 18.41 27.16 24.99 28.83 26.52 23.83 21.923 28.98 30.65 25.65 31.30 28.80 33.10 30.45 27.70 25.48 24.34 22.39 25.74 23.68 21.54 19.82 28.98 26.66 30.65 28.20 25.65 23.604 30.25 31.92 26.92 32.67 30.06 34.47 31.71 29.07 26.74 25.41 23.38 26.81 24.67 22.61 20.80 30.25 27.83 31.92 29.37 26.92 24.775 31.38 33.05 28.05 33.89 31.18 35.70 32.84 30.30 27.88 26.36 24.25 27.76 25.54 23.56 21.68 31.38 28.87 33.05 30.41 28.05 25.816 32.43 34.10 29.10 35.02 32.22 36.83 33.88 31.43 28.92 27.24 25.06 28.64 26.35 24.44 22.48 32.43 29.84 34.10 31.37 29.10 26.777 33.30 34.97 29.97 35.97 33.09 37.77 34.75 32.37 29.78 27.98 25.74 29.38 27.03 25.18 23.17 33.30 30.64 34.97 32.17 29.97 27.578 34.10 35.77 30.77 36.82 33.87 38.63 35.54 33.23 30.57 28.64 26.35 30.04 27.64 25.84 23.77 34.10 31.37 35.77 32.91 30.77 28.319 34.88 36.55 31.55 37.67 34.66 39.47 36.31 34.07 31.34 29.30 26.96 30.70 28.24 26.50 24.38 34.88 32.09 36.55 33.63 31.55 29.0310 35.63 37.30 32.30 38.48 35.40 40.28 37.06 34.88 32.09 29.93 27.54 31.33 28.82 27.13 24.96 35.63 32.78 37.30 34.32 32.30 29.7211 36.32 37.99 32.99 39.22 36.08 41.03 37.75 35.63 32.78 30.51 28.07 31.91 29.36 27.71 25.49 36.32 33.41 37.99 34.95 32.99 30.3512 36.96 38.63 33.63 39.92 36.73 41.72 38.38 36.32 33.41 31.05 28.57 32.45 29.85 28.25 25.99 36.96 34.00 38.63 35.54 33.63 30.9413 37.55 39.22 34.22 40.56 37.32 42.36 38.97 36.96 34.00 31.55 29.03 32.95 30.31 28.75 26.45 37.55 34.55 39.22 36.08 34.22 31.4814 38.09 39.76 34.76 41.14 37.85 42.94 39.50 37.54 34.54 31.99 29.43 33.40 30.73 29.20 26.86 38.09 35.04 39.76 36.58 34.76 31.9815 38.62 40.29 35.29 41.71 38.37 43.51 40.03 38.11 35.06 32.44 29.84 33.84 31.13 29.64 27.27 38.62 35.53 40.29 37.07 35.29 32.4716 39.11 40.78 35.78 42.24 38.86 44.04 40.52 38.64 35.55 32.85 30.22 34.26 31.52 30.06 27.66 39.11 35.98 40.78 37.52 35.78 32.9217 39.57 41.24 36.24 42.74 39.32 44.54 40.98 39.14 36.01 33.24 30.58 34.64 31.87 30.44 28.00 39.57 36.40 41.24 37.94 36.24 33.3418 40.01 41.68 36.68 43.21 39.75 45.02 41.42 39.62 36.45 33.61 30.92 35.01 32.21 30.81 28.35 40.01 36.81 41.68 38.35 36.68 33.7519 40.43 42.10 37.10 43.66 40.17 45.46 41.82 40.06 36.86 33.96 31.24 35.36 32.53 31.16 28.67 40.43 37.20 42.10 38.73 37.10 34.1320 40.82 42.49 37.49 44.09 40.56 45.89 42.22 40.49 37.25 34.29 31.55 35.69 32.83 31.49 28.97 40.82 37.55 42.49 39.09 37.49 34.49
$1.67 ($3.33)
Contract Length Flat Heavy Load Hour Light Load Hour Price Price Price Price Price Price Price Price Price1 28.04 29.71 24.71 30.28 27.86 32.09 29.52 26.69 24.55 23.55 21.67 24.96 22.96 20.76 19.10 28.04 25.80 29.71 27.33 24.71 22.732 30.45 32.12 27.12 32.88 30.25 34.69 31.91 29.29 26.95 25.58 23.53 26.98 24.82 22.78 20.96 30.45 28.01 32.12 29.55 27.12 24.953 31.75 33.42 28.42 34.29 31.55 36.09 33.20 30.69 28.23 26.67 24.54 28.07 25.82 23.87 21.96 31.75 29.21 33.42 30.75 28.42 26.154 32.89 34.56 29.56 35.52 32.68 37.32 34.33 31.92 29.37 27.62 25.41 29.03 26.71 24.83 22.84 32.89 30.26 34.56 31.80 29.56 27.205 33.93 35.60 30.60 36.64 33.71 38.45 35.37 33.05 30.41 28.50 26.22 29.90 27.51 25.70 23.64 33.93 31.22 35.60 32.75 30.60 28.156 34.78 36.45 31.45 37.57 34.56 39.37 36.22 33.97 31.25 29.22 26.88 30.62 28.17 26.42 24.31 34.78 32.00 36.45 33.53 31.45 28.937 35.55 37.22 32.22 38.40 35.33 40.20 36.98 34.80 32.02 29.87 27.48 31.27 28.77 27.07 24.90 35.55 32.71 37.22 34.24 32.22 29.648 36.33 38.00 33.00 39.23 36.09 41.04 37.76 35.64 32.79 30.51 28.07 31.92 29.37 27.72 25.50 36.33 33.42 38.00 34.96 33.00 30.369 37.07 38.74 33.74 40.04 36.84 41.84 38.49 36.44 33.52 31.14 28.65 32.54 29.94 28.34 26.07 37.07 34.10 38.74 35.64 33.74 31.0410 37.76 39.43 34.43 40.79 37.53 42.59 39.18 37.19 34.21 31.72 29.18 33.12 30.47 28.92 26.61 37.76 34.74 39.43 36.28 34.43 31.6811 38.40 40.07 35.07 41.47 38.15 43.28 39.82 37.88 34.85 32.26 29.68 33.66 30.97 29.46 27.10 38.40 35.33 40.07 36.86 35.07 32.2612 38.99 40.66 35.66 42.11 38.74 43.92 40.41 38.52 35.44 32.75 30.13 34.16 31.43 29.96 27.56 38.99 35.87 40.66 37.41 35.66 32.8113 39.52 41.19 36.19 42.69 39.27 44.49 40.93 39.09 35.96 33.20 30.54 34.60 31.83 30.40 27.97 39.52 36.36 41.19 37.89 36.19 33.2914 40.06 41.73 36.73 43.26 39.80 45.06 41.46 39.66 36.49 33.65 30.96 35.05 32.25 30.85 28.38 40.06 36.86 41.73 38.39 36.73 33.7915 40.54 42.21 37.21 43.79 40.29 45.59 41.94 40.19 36.97 34.06 31.34 35.46 32.62 31.26 28.76 40.54 37.30 42.21 38.83 37.21 34.2316 41.01 42.68 37.68 44.29 40.75 46.09 42.40 40.69 37.43 34.45 31.69 35.85 32.98 31.65 29.12 41.01 37.73 42.68 39.27 37.68 34.6717 41.45 43.12 38.12 44.76 41.18 46.57 42.84 41.17 37.88 34.82 32.03 36.22 33.32 32.02 29.46 41.45 38.13 43.12 39.67 38.12 35.0718 41.86 43.53 38.53 45.21 41.59 47.02 43.26 41.62 38.29 35.17 32.36 36.57 33.64 32.37 29.78 41.86 38.51 43.53 40.05 38.53 35.4519 42.26 43.93 38.93 45.64 41.99 47.45 43.65 42.05 38.69 35.50 32.66 36.90 33.95 32.70 30.08 42.26 38.88 43.93 40.42 38.93 35.8220 42.65 44.32 39.32 46.07 42.38 47.87 44.04 42.47 39.07 35.83 32.96 37.23 34.25 33.03 30.39 42.65 39.24 44.32 40.77 39.32 36.17
$1.67 ($3.33)
Contract Length Flat Heavy Load Hour Light Load Hour Price Price Price Price Price Price Price Price Price1 33.03 34.70 29.70 35.68 32.83 37.48 34.48 32.08 29.51 27.75 25.53 29.15 26.82 24.95 22.95 33.03 30.39 34.70 31.92 29.70 27.322 33.81 35.48 30.48 36.52 33.60 38.32 35.25 32.92 30.29 28.40 26.13 29.81 27.43 25.61 23.56 33.81 31.11 35.48 32.64 30.48 28.043 34.75 36.42 31.42 37.53 34.53 39.33 36.18 33.93 31.22 29.19 26.85 30.59 28.14 26.39 24.28 34.75 31.97 36.42 33.51 31.42 28.914 35.68 37.35 32.35 38.54 35.46 40.34 37.11 34.94 32.14 29.97 27.57 31.38 28.87 27.18 25.01 35.68 32.83 37.35 34.36 32.35 29.765 36.44 38.11 33.11 39.36 36.21 41.16 37.87 35.76 32.90 30.61 28.16 32.02 29.46 27.82 25.59 36.44 33.52 38.11 35.06 33.11 30.466 37.15 38.82 33.82 40.12 36.91 41.92 38.57 36.52 33.60 31.20 28.70 32.61 30.00 28.41 26.14 37.15 34.18 38.82 35.71 33.82 31.117 37.88 39.55 34.55 40.91 37.64 42.72 39.30 37.32 34.33 31.82 29.27 33.22 30.56 29.02 26.70 37.88 34.85 39.55 36.39 34.55 31.798 38.61 40.28 35.28 41.69 38.35 43.50 40.02 38.10 35.05 32.43 29.84 33.83 31.12 29.63 27.26 38.61 35.52 40.28 37.06 35.28 32.469 39.28 40.95 35.95 42.42 39.03 44.23 40.69 38.83 35.72 32.99 30.35 34.40 31.65 30.20 27.78 39.28 36.14 40.95 37.67 35.95 33.0710 39.90 41.57 36.57 43.09 39.64 44.90 41.31 39.50 36.34 33.52 30.84 34.92 32.13 30.72 28.26 39.90 36.71 41.57 38.24 36.57 33.6411 40.48 42.15 37.15 43.72 40.22 45.52 41.88 40.12 36.91 34.00 31.28 35.41 32.58 31.21 28.71 40.48 37.24 42.15 38.78 37.15 34.1812 41.00 42.67 37.67 44.28 40.74 46.08 42.39 40.68 37.43 34.44 31.68 35.84 32.97 31.64 29.11 41.00 37.72 42.67 39.26 37.67 34.6613 41.52 43.19 38.19 44.84 41.25 46.65 42.92 41.25 37.95 34.88 32.09 36.28 33.38 32.08 29.51 41.52 38.20 43.19 39.73 38.19 35.1314 42.00 43.67 38.67 45.37 41.74 47.17 43.40 41.77 38.43 35.28 32.46 36.69 33.75 32.49 29.89 42.00 38.64 43.67 40.18 38.67 35.5815 42.46 44.13 39.13 45.86 42.19 47.66 43.85 42.26 38.88 35.67 32.82 37.07 34.10 32.87 30.24 42.46 39.06 44.13 40.60 39.13 36.0016 42.90 44.57 39.57 46.33 42.62 48.14 44.29 42.74 39.32 36.04 33.16 37.44 34.44 33.24 30.58 42.90 39.47 44.57 41.00 39.57 36.4017 43.31 44.98 39.98 46.78 43.04 48.58 44.69 43.18 39.73 36.38 33.47 37.79 34.77 33.59 30.90 43.31 39.85 44.98 41.38 39.98 36.7818 43.71 45.38 40.38 47.21 43.43 49.01 45.09 43.61 40.12 36.72 33.78 38.12 35.07 33.92 31.21 43.71 40.21 45.38 41.75 40.38 37.1519 44.11 45.78 40.78 47.63 43.82 49.44 45.48 44.04 40.52 37.05 34.09 38.45 35.37 34.25 31.51 44.11 40.58 45.78 42.12 40.78 37.5220 44.50 46.17 41.17 48.05 44.21 49.86 45.87 44.46 40.90 37.38 34.39 38.78 35.68 34.58 31.81 44.50 40.94 46.17 42.48 41.17 37.88
Rate Effective Date: June 1, 2021Resource: Wind
Levelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)
AVISTA
AVOIDED COST RATES FOR NON-FUELED PROJECTS
Eligibility for these rates is limited to wind and solar projects 100 kW or smaller, and to non-wind and non-solar projects smaller than 10 aMW
AVISTALEVELIZED RATESPROJECT ON-LINE IN 2021
Non-Seasonalized Pricing
Heavy and Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour Flat Heavy Load Hour Light Load Hour Flat
Price less wind integration adjustmentPrice
AVISTALEVELIZED RATESPROJECT ON-LINE IN 2022Rate Effective Date: June 1, 2021Resource: Wind
Heavy Load Hour Light Load Hour
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Flat Heavy Load Hour Light Load Hour Flat Heavy Load Hour Light Load Hour
Levelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)Non-Seasonalized Pricing
Heavy and Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour
Rate Effective Date: June 1, 2021Resource: WindLevelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
AVISTALEVELIZED RATESPROJECT ON-LINE IN 2023
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Non-Seasonalized Pricing
Heavy and Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour
Resource: Wind
Heavy Load Hour Light Load Hour
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Flat Heavy Load Hour Light Load Hour Flat
Price less wind integration adjustment
AVISTALEVELIZED RATESPROJECT ON-LINE IN 2024Rate Effective Date: June 1, 2021
Price less wind integration adjustment
Flat Heavy Load Hour Light Load Hour Flat Heavy Load Hour Light Load Hour
Levelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)Non-Seasonalized Pricing
Heavy and Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Non-Seasonalized PricingHeavy and Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour Heavy Load Hour Light Load Hour
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Flat Heavy Load Hour Light Load Hour Flat
AVISTALEVELIZED RATESPROJECT ON-LINE IN 2025
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Rate Effective Date: June 1, 2021Resource: WindLevelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)
Price less wind integration adjustment
AVISTALEVELIZED RATES
Resource: Wind
Price less wind integration adjustment
Flat
PROJECT ON-LINE IN 2026Rate Effective Date: June 1, 2021
Light Load Hour Flat Heavy Load Hour Light Load Hour
Levelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)Non-Seasonalized Pricing
Heavy and Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Heavy Load Hour
Attachment C to Order No. 35052 Case No. GNR-E-21-01
Page 2 of 11
Seasonalization Factors
Season 1 108.00%(Applied to July - February)
Season 2 84.00%(Applied to March - June)
$1.67 ($3.33)
Year
Flat Heavy Load
Hour
Light Load
Hour Price Price Price Price Price Price Price Price Price
2021 27.93 29.60 24.60 30.16 27.75 31.97 29.41 26.57 24.44 23.46 21.58 24.86 22.87 20.66 19.01 27.93 25.70 29.60 27.23 24.60 22.63
2022 28.69 30.36 25.36 30.99 28.51 32.79 30.17 27.39 25.20 24.10 22.17 25.51 23.47 21.31 19.61 28.69 26.39 30.36 27.93 25.36 23.33
2023 27.76 29.43 24.43 29.98 27.58 31.78 29.24 26.38 24.27 23.32 21.45 24.72 22.74 20.52 18.88 27.76 25.54 29.43 27.08 24.43 22.48
2024 26.33 28.00 23.00 28.44 26.16 30.24 27.82 24.84 22.85 22.12 20.35 23.52 21.64 19.32 17.77 26.33 24.22 28.00 25.76 23.00 21.16
2025 28.04 29.71 24.71 30.28 27.86 32.09 29.52 26.69 24.55 23.55 21.67 24.96 22.96 20.76 19.10 28.04 25.80 29.71 27.33 24.71 22.73
2026 33.03 34.70 29.70 35.68 32.83 37.48 34.48 32.08 29.51 27.75 25.53 29.15 26.82 24.95 22.95 33.03 30.39 34.70 31.92 29.70 27.32
2027 34.65 36.32 31.32 37.42 34.43 39.22 36.08 33.82 31.11 29.11 26.78 30.51 28.07 26.31 24.21 34.65 31.88 36.32 33.41 31.32 28.81
2028 36.82 38.49 33.49 39.77 36.59 41.57 38.24 36.17 33.28 30.93 28.46 32.33 29.74 28.13 25.88 36.82 33.87 38.49 35.41 33.49 30.81
2029 38.93 40.60 35.60 42.04 38.68 43.84 40.33 38.44 35.36 32.70 30.08 34.10 31.37 29.90 27.51 38.93 35.82 40.60 37.35 35.60 32.75
2030 40.09 41.76 36.76 43.30 39.84 45.10 41.49 39.70 36.52 33.68 30.99 35.08 32.27 30.88 28.41 40.09 36.88 41.76 38.42 36.76 33.82
2031 41.53 43.20 38.20 44.85 41.26 46.65 42.92 41.25 37.95 34.88 32.09 36.29 33.39 32.09 29.52 41.53 38.21 43.20 39.74 38.20 35.14
2032 43.58 45.25 40.25 47.06 43.30 48.86 44.95 43.46 39.98 36.60 33.67 38.01 34.97 33.81 31.11 43.58 40.09 45.25 41.63 40.25 37.03
2033 45.40 47.07 42.07 49.03 45.11 50.83 46.76 45.43 41.80 38.14 35.09 39.54 36.38 35.34 32.51 45.40 41.77 47.07 43.30 42.07 38.70
2034 46.78 48.45 43.45 50.53 46.49 52.33 48.14 46.93 43.18 39.30 36.16 40.70 37.44 36.50 33.58 46.78 43.04 48.45 44.57 43.45 39.97
2035 48.03 49.70 44.70 51.87 47.72 53.67 49.38 48.27 44.41 40.34 37.11 41.74 38.40 37.54 34.54 48.03 44.19 49.70 45.72 44.70 41.12
2036 49.19 50.86 45.86 53.12 48.87 54.93 50.54 49.53 45.57 41.32 38.01 42.72 39.30 38.52 35.44 49.19 45.25 50.86 46.79 45.86 42.19
2037 49.92 51.59 46.59 53.92 49.61 55.72 51.26 50.32 46.29 41.94 38.58 43.34 39.87 39.14 36.01 49.92 45.93 51.59 47.46 46.59 42.86
2038 51.81 53.48 48.48 55.96 51.48 57.76 53.14 52.36 48.17 43.52 40.04 44.93 41.34 40.73 37.47 51.81 47.67 53.48 49.20 48.48 44.60
2039 52.69 54.36 49.36 56.90 52.35 58.71 54.01 53.31 49.05 44.26 40.72 45.66 42.01 41.46 38.14 52.69 48.47 54.36 50.01 49.36 45.41
2040 53.86 55.53 50.53 58.17 53.52 59.98 55.18 54.58 50.21 45.25 41.63 46.65 42.92 42.45 39.05 53.86 49.55 55.53 51.09 50.53 46.49
2041 54.99 56.66 51.66 59.38 54.63 61.19 56.29 55.79 51.33 46.19 42.49 47.59 43.78 43.39 39.92 54.99 50.59 56.66 52.13 51.66 47.53
2042 56.07 57.74 52.74 60.55 55.71 62.35 57.36 56.95 52.39 47.10 43.33 48.50 44.62 44.30 40.76 56.07 51.58 57.74 53.12 52.74 48.52
2043 57.35 59.02 54.02 61.94 56.98 63.74 58.64 58.34 53.67 48.17 44.32 49.58 45.61 45.38 41.75 57.35 52.76 59.02 54.30 54.02 49.70
2044 58.92 60.59 55.59 63.63 58.54 65.44 60.20 60.04 55.24 49.49 45.53 50.90 46.83 46.70 42.96 58.92 54.21 60.59 55.74 55.59 51.14
2045 60.71 62.38 57.38 65.57 60.32 67.37 61.98 61.97 57.01 51.00 46.92 52.40 48.21 48.20 44.34 60.71 55.85 62.38 57.39 57.38 52.79
2046 62.28 63.95 58.95 67.26 61.88 69.07 63.54 63.67 58.58 52.32 48.13 53.72 49.42 49.52 45.56 62.28 57.30 63.95 58.83 58.95 54.23
Heavy Load Hour
Rate Effective Date: June 1, 2021
AVISTA
AVOIDED COST RATES FOR NON-FUELED PROJECTS
Eligibility for these rates is limited to wind and solar projects 100 kW or smaller, and to non-wind and non-solar projects smaller than 10 aMW
AVISTA
NON-LEVELIZED RATES
Resource: Wind
Non Levelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)
Light Load Hour Flat Heavy Load Hour Light Load Hour
Non-Seasonalized Pricing
Heavy and
Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Flat
Attachment C to Order No. 35052 Case No. GNR-E-21-01
Page 3 of 11
Seasonalization Factors
Season 1 108.00%(Applied to July - February)Season 2 84.00%(Applied to March - June)
$1.67 ($3.33)
Contract Length Flat Heavy Load Hour Light Load Hour Price Price Price Price Price Price Price Price
1 27.93 29.60 24.60 30.16 NA 31.97 NA 26.57 NA 23.46 NA 24.86 NA 20.66 NA 27.93 NA 29.60 NA 24.60 NA
2 28.30 29.97 24.97 30.56 NA 32.37 NA 26.97 NA 23.77 NA 25.17 NA 20.97 NA 28.30 NA 29.97 NA 24.97 NA
3 28.13 29.80 24.80 30.38 NA 32.18 NA 26.78 NA 23.63 NA 25.03 NA 20.83 NA 28.13 NA 29.80 NA 24.80 NA
4 27.73 29.40 24.40 29.95 NA 31.75 NA 26.35 NA 23.29 NA 24.69 NA 20.49 NA 27.73 NA 29.40 NA 24.40 NA
5 27.78 29.45 24.45 30.00 NA 31.81 NA 26.41 NA 23.34 NA 24.74 NA 20.54 NA 27.78 NA 29.45 NA 24.45 NA
6 28.70 30.37 25.37 30.99 NA 32.80 NA 27.40 NA 24.11 NA 25.51 NA 21.31 NA 28.70 NA 30.37 NA 25.37 NA
7 32.55 34.22 29.22 35.16 NA 36.96 NA 31.56 NA 27.34 NA 28.75 NA 24.55 NA 32.55 NA 34.22 NA 29.22 NA
8 35.68 37.35 32.35 38.53 NA 40.33 NA 34.93 NA 29.97 NA 31.37 NA 27.17 NA 35.68 NA 37.35 NA 32.35 NA
9 38.30 39.97 34.97 41.36 NA 43.16 NA 37.76 NA 32.17 NA 33.57 NA 29.37 NA 38.30 NA 39.97 NA 34.97 NA
10 40.49 42.16 37.16 43.73 NA 45.53 NA 40.13 NA 34.01 NA 35.41 NA 31.21 NA 40.49 NA 42.16 NA 37.16 NA
11 42.39 44.06 39.06 45.78 NA 47.58 NA 42.18 NA 35.60 NA 37.01 NA 32.81 NA 42.39 NA 44.06 NA 39.06 NA
12 44.09 45.76 40.76 47.61 NA 49.42 NA 44.02 NA 37.03 NA 38.44 NA 34.24 NA 44.09 NA 45.76 NA 40.76 NA
13 45.62 47.29 42.29 49.27 NA 51.08 NA 45.68 NA 38.32 NA 39.73 NA 35.53 NA 45.62 NA 47.29 NA 42.29 NA
14 47.00 48.67 43.67 50.76 NA 52.57 NA 47.17 NA 39.48 NA 40.89 NA 36.69 NA 47.00 NA 48.67 NA 43.67 NA
15 48.25 49.92 44.92 52.11 NA 53.92 NA 48.52 NA 40.53 NA 41.94 NA 37.74 NA 48.25 NA 49.92 NA 44.92 NA
16 49.39 51.06 46.06 53.34 NA 55.14 NA 49.74 NA 41.49 NA 42.89 NA 38.69 NA 49.39 NA 51.06 NA 46.06 NA
17 50.42 52.09 47.09 54.45 NA 56.25 NA 50.85 NA 42.35 NA 43.75 NA 39.55 NA 50.42 NA 52.09 NA 47.09 NA
18 51.38 53.05 48.05 55.49 NA 57.30 NA 51.90 NA 43.16 NA 44.56 NA 40.36 NA 51.38 NA 53.05 NA 48.05 NA
19 52.27 53.94 48.94 56.45 NA 58.26 NA 52.86 NA 43.91 NA 45.31 NA 41.11 NA 52.27 NA 53.94 NA 48.94 NA
20 53.10 54.77 49.77 57.35 NA 59.15 NA 53.75 NA 44.60 NA 46.00 NA 41.80 NA 53.10 NA 54.77 NA 49.77 NA
$1.67 ($3.33)
Contract Length Flat Heavy Load Hour Light Load Hour Price Price Price Price Price Price Price Price Price
1 28.69 30.36 25.36 30.99 NA 32.79 NA 27.39 NA 24.10 NA 25.51 NA 21.31 NA 28.69 NA 30.36 NA 25.36 NA
2 28.24 29.91 24.91 30.50 NA 32.31 NA 26.91 NA 23.72 NA 25.13 NA 20.93 NA 28.24 NA 29.91 NA 24.91 NA
3 27.65 29.32 24.32 29.86 NA 31.67 NA 26.27 NA 23.23 NA 24.63 NA 20.43 NA 27.65 NA 29.32 NA 24.32 NA
4 27.74 29.41 24.41 29.96 NA 31.76 NA 26.36 NA 23.30 NA 24.70 NA 20.50 NA 27.74 NA 29.41 NA 24.41 NA
5 28.89 30.56 25.56 31.20 NA 33.00 NA 27.60 NA 24.27 NA 25.67 NA 21.47 NA 28.89 NA 30.56 NA 25.56 NA
6 33.53 35.20 30.20 36.22 NA 38.02 NA 32.62 NA 28.17 NA 29.57 NA 25.37 NA 33.53 NA 35.20 NA 30.20 NA
7 37.13 38.80 33.80 40.10 NA 41.91 NA 36.51 NA 31.19 NA 32.59 NA 28.39 NA 37.13 NA 38.80 NA 33.80 NA
8 40.06 41.73 36.73 43.26 NA 45.07 NA 39.67 NA 33.65 NA 35.05 NA 30.85 NA 40.06 NA 41.73 NA 36.73 NA
9 42.45 44.12 39.12 45.84 NA 47.65 NA 42.25 NA 35.66 NA 37.06 NA 32.86 NA 42.45 NA 44.12 NA 39.12 NA
10 44.48 46.15 41.15 48.04 NA 49.84 NA 44.44 NA 37.36 NA 38.76 NA 34.56 NA 44.48 NA 46.15 NA 41.15 NA
11 46.28 47.95 42.95 49.98 NA 51.79 NA 46.39 NA 38.88 NA 40.28 NA 36.08 NA 46.28 NA 47.95 NA 42.95 NA
12 47.89 49.56 44.56 51.72 NA 53.53 NA 48.13 NA 40.23 NA 41.63 NA 37.43 NA 47.89 NA 49.56 NA 44.56 NA
13 49.33 51.00 46.00 53.28 NA 55.08 NA 49.68 NA 41.44 NA 42.84 NA 38.64 NA 49.33 NA 51.00 NA 46.00 NA
14 50.63 52.30 47.30 54.68 NA 56.48 NA 51.08 NA 42.53 NA 43.93 NA 39.73 NA 50.63 NA 52.30 NA 47.30 NA
15 51.80 53.47 48.47 55.94 NA 57.74 NA 52.34 NA 43.51 NA 44.91 NA 40.71 NA 51.80 NA 53.47 NA 48.47 NA
16 52.85 54.52 49.52 57.08 NA 58.88 NA 53.48 NA 44.40 NA 45.80 NA 41.60 NA 52.85 NA 54.52 NA 49.52 NA
17 53.84 55.51 50.51 58.15 NA 59.96 NA 54.56 NA 45.23 NA 46.63 NA 42.43 NA 53.84 NA 55.51 NA 50.51 NA
18 54.75 56.42 51.42 59.13 NA 60.94 NA 55.54 NA 45.99 NA 47.40 NA 43.20 NA 54.75 NA 56.42 NA 51.42 NA
19 55.60 57.27 52.27 60.04 NA 61.85 NA 56.45 NA 46.70 NA 48.10 NA 43.90 NA 55.60 NA 57.27 NA 52.27 NA
20 56.38 58.05 53.05 60.89 NA 62.70 NA 57.30 NA 47.36 NA 48.76 NA 44.56 NA 56.38 NA 58.05 NA 53.05 NA
$1.67 ($3.33)
Contract Length
Flat Heavy Load Hour Light Load Hour Price Price Price Price Price Price Price Price Price1 27.76 29.43 24.43 29.98 NA 31.78 NA 26.38 NA 23.32 NA 24.72 NA 20.52 NA 27.76 NA 29.43 NA 24.43 NA2 27.07 28.74 23.74 29.24 NA 31.04 NA 25.64 NA 22.74 NA 24.14 NA 19.94 NA 27.07 NA 28.74 NA 23.74 NA3 27.37 29.04 24.04 29.56 NA 31.36 NA 25.96 NA 22.99 NA 24.39 NA 20.19 NA 27.37 NA 29.04 NA 24.04 NA4 28.95 30.62 25.62 31.26 NA 33.06 NA 27.66 NA 24.31 NA 25.72 NA 21.52 NA 28.95 NA 30.62 NA 25.62 NA5 34.73 36.40 31.40 37.50 NA 39.31 NA 33.91 NA 29.17 NA 30.57 NA 26.37 NA 34.73 NA 36.40 NA 31.40 NA6 38.92 40.59 35.59 42.03 NA 43.84 NA 38.44 NA 32.69 NA 34.10 NA 29.90 NA 38.92 NA 40.59 NA 35.59 NA7 42.19 43.86 38.86 45.57 NA 47.37 NA 41.97 NA 35.44 NA 36.84 NA 32.64 NA 42.19 NA 43.86 NA 38.86 NA8 44.78 46.45 41.45 48.36 NA 50.17 NA 44.77 NA 37.62 NA 39.02 NA 34.82 NA 44.78 NA 46.45 NA 41.45 NA9 46.94 48.61 43.61 50.69 NA 52.50 NA 47.10 NA 39.43 NA 40.83 NA 36.63 NA 46.94 NA 48.61 NA 43.61 NA10 48.82 50.49 45.49 52.73 NA 54.53 NA 49.13 NA 41.01 NA 42.42 NA 38.22 NA 48.82 NA 50.49 NA 45.49 NA11 50.50 52.17 47.17 54.54 NA 56.34 NA 50.94 NA 42.42 NA 43.82 NA 39.62 NA 50.50 NA 52.17 NA 47.17 NA12 51.98 53.65 48.65 56.14 NA 57.94 NA 52.54 NA 43.66 NA 45.06 NA 40.86 NA 51.98 NA 53.65 NA 48.65 NA13 53.30 54.97 49.97 57.57 NA 59.37 NA 53.97 NA 44.77 NA 46.18 NA 41.98 NA 53.30 NA 54.97 NA 49.97 NA14 54.49 56.16 51.16 58.85 NA 60.66 NA 55.26 NA 45.78 NA 47.18 NA 42.98 NA 54.49 NA 56.16 NA 51.16 NA15 55.56 57.23 52.23 60.01 NA 61.81 NA 56.41 NA 46.67 NA 48.08 NA 43.88 NA 55.56 NA 57.23 NA 52.23 NA16 56.57 58.24 53.24 61.09 NA 62.90 NA 57.50 NA 47.52 NA 48.92 NA 44.72 NA 56.57 NA 58.24 NA 53.24 NA17 57.49 59.16 54.16 62.09 NA 63.89 NA 58.49 NA 48.29 NA 49.69 NA 45.49 NA 57.49 NA 59.16 NA 54.16 NA18 58.34 60.01 55.01 63.01 NA 64.81 NA 59.41 NA 49.01 NA 50.41 NA 46.21 NA 58.34 NA 60.01 NA 55.01 NA19 59.13 60.80 55.80 63.86 NA 65.67 NA 60.27 NA 49.67 NA 51.07 NA 46.87 NA 59.13 NA 60.80 NA 55.80 NA20 59.87 61.54 56.54 64.66 NA 66.47 NA 61.07 NA 50.29 NA 51.70 NA 47.50 NA 59.87 NA 61.54 NA 56.54 NA
$1.67 ($3.33)
Contract Length Flat Heavy Load Hour Light Load Hour Price Price Price Price Price Price Price Price Price1 26.33 28.00 23.00 28.44 NA 30.24 NA 24.84 NA 22.12 NA 23.52 NA 19.32 NA 26.33 NA 28.00 NA 23.00 NA2 27.16 28.83 23.83 29.33 NA 31.13 NA 25.73 NA 22.81 NA 24.21 NA 20.01 NA 27.16 NA 28.83 NA 23.83 NA3 29.40 31.07 26.07 31.75 NA 33.56 NA 28.16 NA 24.70 NA 26.10 NA 21.90 NA 29.40 NA 31.07 NA 26.07 NA4 36.80 38.47 33.47 39.74 NA 41.55 NA 36.15 NA 30.91 NA 32.31 NA 28.11 NA 36.80 NA 38.47 NA 33.47 NA5 41.67 43.34 38.34 45.00 NA 46.81 NA 41.41 NA 35.00 NA 36.41 NA 32.21 NA 41.67 NA 43.34 NA 38.34 NA6 45.25 46.92 41.92 48.87 NA 50.68 NA 45.28 NA 38.01 NA 39.41 NA 35.21 NA 45.25 NA 46.92 NA 41.92 NA7 47.98 49.65 44.65 51.82 NA 53.62 NA 48.22 NA 40.30 NA 41.71 NA 37.51 NA 47.98 NA 49.65 NA 44.65 NA8 50.19 51.86 46.86 54.21 NA 56.01 NA 50.61 NA 42.16 NA 43.56 NA 39.36 NA 50.19 NA 51.86 NA 46.86 NA9 52.11 53.78 48.78 56.27 NA 58.08 NA 52.68 NA 43.77 NA 45.17 NA 40.97 NA 52.11 NA 53.78 NA 48.78 NA10 53.79 55.46 50.46 58.09 NA 59.89 NA 54.49 NA 45.18 NA 46.58 NA 42.38 NA 53.79 NA 55.46 NA 50.46 NA11 55.27 56.94 51.94 59.69 NA 61.49 NA 56.09 NA 46.42 NA 47.83 NA 43.63 NA 55.27 NA 56.94 NA 51.94 NA12 56.58 58.25 53.25 61.10 NA 62.91 NA 57.51 NA 47.53 NA 48.93 NA 44.73 NA 56.58 NA 58.25 NA 53.25 NA13 57.76 59.43 54.43 62.38 NA 64.18 NA 58.78 NA 48.52 NA 49.92 NA 45.72 NA 57.76 NA 59.43 NA 54.43 NA14 58.81 60.48 55.48 63.51 NA 65.32 NA 59.92 NA 49.40 NA 50.80 NA 46.60 NA 58.81 NA 60.48 NA 55.48 NA15 59.80 61.47 56.47 64.59 NA 66.39 NA 60.99 NA 50.23 NA 51.64 NA 47.44 NA 59.80 NA 61.47 NA 56.47 NA16 60.71 62.38 57.38 65.56 NA 67.37 NA 61.97 NA 50.99 NA 52.40 NA 48.20 NA 60.71 NA 62.38 NA 57.38 NA17 61.55 63.22 58.22 66.47 NA 68.28 NA 62.88 NA 51.70 NA 53.10 NA 48.90 NA 61.55 NA 63.22 NA 58.22 NA18 62.33 64.00 59.00 67.32 NA 69.12 NA 63.72 NA 52.36 NA 53.76 NA 49.56 NA 62.33 NA 64.00 NA 59.00 NA19 63.06 64.73 59.73 68.11 NA 69.91 NA 64.51 NA 52.97 NA 54.38 NA 50.18 NA 63.06 NA 64.73 NA 59.73 NA20 63.75 65.42 60.42 68.85 NA 70.66 NA 65.26 NA 53.55 NA 54.95 NA 50.75 NA 63.75 NA 65.42 NA 60.42 NA
$1.67 ($3.33)
Contract Length Flat Heavy Load Hour Light Load Hour Price Price Price Price Price Price Price Price Price1 28.04 29.71 24.71 30.28 NA 32.09 NA 26.69 NA 23.55 NA 24.96 NA 20.76 NA 28.04 NA 29.71 NA 24.71 NA2 31.11 32.78 27.78 33.59 NA 35.40 NA 30.00 NA 26.13 NA 27.53 NA 23.33 NA 31.11 NA 32.78 NA 27.78 NA3 40.81 42.48 37.48 44.08 NA 45.88 NA 40.48 NA 34.28 NA 35.69 NA 31.49 NA 40.81 NA 42.48 NA 37.48 NA4 46.23 47.90 42.90 49.93 NA 51.74 NA 46.34 NA 38.84 NA 40.24 NA 36.04 NA 46.23 NA 47.90 NA 42.90 NA5 49.91 51.58 46.58 53.90 NA 55.71 NA 50.31 NA 41.92 NA 43.33 NA 39.13 NA 49.91 NA 51.58 NA 46.58 NA6 52.57 54.24 49.24 56.78 NA 58.58 NA 53.18 NA 44.16 NA 45.56 NA 41.36 NA 52.57 NA 54.24 NA 49.24 NA7 54.67 56.34 51.34 59.05 NA 60.85 NA 55.45 NA 45.93 NA 47.33 NA 43.13 NA 54.67 NA 56.34 NA 51.34 NA8 56.48 58.15 53.15 61.00 NA 62.80 NA 57.40 NA 47.44 NA 48.85 NA 44.65 NA 56.48 NA 58.15 NA 53.15 NA9 58.06 59.73 54.73 62.71 NA 64.51 NA 59.11 NA 48.77 NA 50.18 NA 45.98 NA 58.06 NA 59.73 NA 54.73 NA10 59.45 61.12 56.12 64.21 NA 66.01 NA 60.61 NA 49.94 NA 51.34 NA 47.14 NA 59.45 NA 61.12 NA 56.12 NA11 60.68 62.35 57.35 65.54 NA 67.34 NA 61.94 NA 50.97 NA 52.38 NA 48.18 NA 60.68 NA 62.35 NA 57.35 NA12 61.79 63.46 58.46 66.73 NA 68.53 NA 63.13 NA 51.90 NA 53.30 NA 49.10 NA 61.79 NA 63.46 NA 58.46 NA13 62.77 64.44 59.44 67.79 NA 69.60 NA 64.20 NA 52.73 NA 54.13 NA 49.93 NA 62.77 NA 64.44 NA 59.44 NA14 63.71 65.38 60.38 68.81 NA 70.61 NA 65.21 NA 53.52 NA 54.92 NA 50.72 NA 63.71 NA 65.38 NA 60.38 NA15 64.57 66.24 61.24 69.73 NA 71.53 NA 66.13 NA 54.23 NA 55.64 NA 51.44 NA 64.57 NA 66.24 NA 61.24 NA16 65.36 67.03 62.03 70.59 NA 72.40 NA 67.00 NA 54.90 NA 56.31 NA 52.11 NA 65.36 NA 67.03 NA 62.03 NA17 66.11 67.78 62.78 71.40 NA 73.20 NA 67.80 NA 55.53 NA 56.93 NA 52.73 NA 66.11 NA 67.78 NA 62.78 NA18 66.81 68.48 63.48 72.15 NA 73.95 NA 68.55 NA 56.12 NA 57.52 NA 53.32 NA 66.81 NA 68.48 NA 63.48 NA19 67.47 69.14 64.14 72.87 NA 74.67 NA 69.27 NA 56.67 NA 58.08 NA 53.88 NA 67.47 NA 69.14 NA 64.14 NA20 68.10 69.77 64.77 73.55 NA 75.36 NA 69.96 NA 57.21 NA 58.61 NA 54.41 NA 68.10 NA 69.77 NA 64.77 NA
$1.67 ($3.33)
Contract Length Flat Heavy Load Hour Light Load Hour Price Price Price Price Price Price Price Price Price1 34.40 36.07 31.07 37.15 NA 38.96 NA 33.56 NA 28.90 NA 30.30 NA 26.10 NA 34.40 NA 36.07 NA 31.07 NA2 47.91 49.58 44.58 51.75 NA 53.55 NA 48.15 NA 40.25 NA 41.65 NA 37.45 NA 47.91 NA 49.58 NA 44.58 NA3 53.21 54.88 49.88 57.47 NA 59.27 NA 53.87 NA 44.70 NA 46.10 NA 41.90 NA 53.21 NA 54.88 NA 49.88 NA4 56.42 58.09 53.09 60.93 NA 62.73 NA 57.33 NA 47.39 NA 48.79 NA 44.59 NA 56.42 NA 58.09 NA 53.09 NA5 58.61 60.28 55.28 63.30 NA 65.10 NA 59.70 NA 49.23 NA 50.63 NA 46.43 NA 58.61 NA 60.28 NA 55.28 NA6 60.32 61.99 56.99 65.15 NA 66.95 NA 61.55 NA 50.67 NA 52.07 NA 47.87 NA 60.32 NA 61.99 NA 56.99 NA7 61.82 63.49 58.49 66.77 NA 68.57 NA 63.17 NA 51.93 NA 53.33 NA 49.13 NA 61.82 NA 63.49 NA 58.49 NA8 63.16 64.83 59.83 68.21 NA 70.02 NA 64.62 NA 53.06 NA 54.46 NA 50.26 NA 63.16 NA 64.83 NA 59.83 NA9 64.34 66.01 61.01 69.49 NA 71.30 NA 65.90 NA 54.05 NA 55.45 NA 51.25 NA 64.34 NA 66.01 NA 61.01 NA10 65.41 67.08 62.08 70.64 NA 72.44 NA 67.04 NA 54.94 NA 56.34 NA 52.14 NA 65.41 NA 67.08 NA 62.08 NA11 66.37 68.04 63.04 71.68 NA 73.48 NA 68.08 NA 55.75 NA 57.15 NA 52.95 NA 66.37 NA 68.04 NA 63.04 NA12 67.23 68.90 63.90 72.61 NA 74.41 NA 69.01 NA 56.47 NA 57.87 NA 53.67 NA 67.23 NA 68.90 NA 63.90 NA13 68.06 69.73 64.73 73.51 NA 75.31 NA 69.91 NA 57.17 NA 58.58 NA 54.38 NA 68.06 NA 69.73 NA 64.73 NA14 68.83 70.50 65.50 74.34 NA 76.14 NA 70.74 NA 57.82 NA 59.22 NA 55.02 NA 68.83 NA 70.50 NA 65.50 NA15 69.55 71.22 66.22 75.12 NA 76.92 NA 71.52 NA 58.42 NA 59.83 NA 55.63 NA 69.55 NA 71.22 NA 66.22 NA16 70.23 71.90 66.90 75.85 NA 77.65 NA 72.25 NA 58.99 NA 60.40 NA 56.20 NA 70.23 NA 71.90 NA 66.90 NA17 70.87 72.54 67.54 76.54 NA 78.35 NA 72.95 NA 59.53 NA 60.94 NA 56.74 NA 70.87 NA 72.54 NA 67.54 NA18 71.49 73.16 68.16 77.21 NA 79.01 NA 73.61 NA 60.05 NA 61.45 NA 57.25 NA 71.49 NA 73.16 NA 68.16 NA19 72.08 73.75 68.75 77.85 NA 79.65 NA 74.25 NA 60.55 NA 61.95 NA 57.75 NA 72.08 NA 73.75 NA 68.75 NA20 72.66 74.33 69.33 78.48 NA 80.28 NA 74.88 NA 61.04 NA 62.44 NA 58.24 NA 72.66 NA 74.33 NA 69.33 NA
Rate Effective Date: June 1, 2021Resource: Solar
Levelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)
AVISTA
AVOIDED COST RATES FOR NON-FUELED PROJECTS
Eligibility for these rates is limited to wind and solar projects 100 kW or smaller, and to non-wind and non-solar projects smaller than 10 aMW
AVISTALEVELIZED RATESPROJECT ON-LINE IN 2021
Non-Seasonalized Pricing
Heavy and Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour Flat Heavy Load Hour Light Load Hour Flat
Price less wind integration adjustmentPrice
AVISTALEVELIZED RATESPROJECT ON-LINE IN 2022Rate Effective Date: June 1, 2021Resource: Solar
Heavy Load Hour Light Load Hour
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Flat Heavy Load Hour Light Load Hour Flat Heavy Load Hour Light Load Hour
Levelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)Non-Seasonalized Pricing
Heavy and Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour
Rate Effective Date: June 1, 2021Resource: SolarLevelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
AVISTALEVELIZED RATESPROJECT ON-LINE IN 2023
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Non-Seasonalized Pricing
Heavy and Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour
Resource: Solar
Heavy Load Hour Light Load Hour
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Flat Heavy Load Hour Light Load Hour Flat
Price less wind integration adjustment
AVISTALEVELIZED RATESPROJECT ON-LINE IN 2024Rate Effective Date: June 1, 2021
Price less wind integration adjustment
Flat Heavy Load Hour Light Load Hour Flat Heavy Load Hour Light Load Hour
Levelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)Non-Seasonalized Pricing
Heavy and Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Non-Seasonalized PricingHeavy and Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour Heavy Load Hour Light Load Hour
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Flat Heavy Load Hour Light Load Hour Flat
AVISTALEVELIZED RATESPROJECT ON-LINE IN 2025
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Rate Effective Date: June 1, 2021Resource: SolarLevelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)
Price less wind integration adjustment
AVISTALEVELIZED RATES
Resource: Solar
Price less wind integration adjustment
Flat
PROJECT ON-LINE IN 2026Rate Effective Date: June 1, 2021
Light Load Hour Flat Heavy Load Hour Light Load Hour
Levelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)Non-Seasonalized Pricing
Heavy and Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Heavy Load Hour
Attachment C to Order No. 35052 Case No. GNR-E-21-01
Page 4 of 11
Seasonalization Factors
Season 1 108.00%(Applied to July - February)
Season 2 84.00%(Applied to March - June)
$1.67 ($3.33)
Year
Flat Heavy Load
Hour
Light Load
Hour Price Price Price Price Price Price Price Price Price
2021 27.93 29.60 24.60 30.16 NA 31.97 NA 26.57 NA 23.46 NA 24.86 NA 20.66 NA 27.93 NA 29.60 NA 24.60 NA
2022 28.69 30.36 25.36 30.99 NA 32.79 NA 27.39 NA 24.10 NA 25.51 NA 21.31 NA 28.69 NA 30.36 NA 25.36 NA
2023 27.76 29.43 24.43 29.98 NA 31.78 NA 26.38 NA 23.32 NA 24.72 NA 20.52 NA 27.76 NA 29.43 NA 24.43 NA
2024 26.33 28.00 23.00 28.44 NA 30.24 NA 24.84 NA 22.12 NA 23.52 NA 19.32 NA 26.33 NA 28.00 NA 23.00 NA
2025 28.04 29.71 24.71 30.28 NA 32.09 NA 26.69 NA 23.55 NA 24.96 NA 20.76 NA 28.04 NA 29.71 NA 24.71 NA
2026 34.40 36.07 31.07 37.15 NA 38.96 NA 33.56 NA 28.90 NA 30.30 NA 26.10 NA 34.40 NA 36.07 NA 31.07 NA
2027 62.42 64.09 59.09 67.41 NA 69.22 NA 63.82 NA 52.43 NA 53.84 NA 49.64 NA 62.42 NA 64.09 NA 59.09 NA
2028 65.00 66.67 61.67 70.20 NA 72.01 NA 66.61 NA 54.60 NA 56.00 NA 51.80 NA 65.00 NA 66.67 NA 61.67 NA
2029 67.52 69.19 64.19 72.92 NA 74.73 NA 69.33 NA 56.72 NA 58.12 NA 53.92 NA 67.52 NA 69.19 NA 64.19 NA
2030 69.11 70.78 65.78 74.64 NA 76.44 NA 71.04 NA 58.05 NA 59.46 NA 55.26 NA 69.11 NA 70.78 NA 65.78 NA
2031 70.97 72.64 67.64 76.65 NA 78.45 NA 73.05 NA 59.62 NA 61.02 NA 56.82 NA 70.97 NA 72.64 NA 67.64 NA
2032 73.45 75.12 70.12 79.33 NA 81.13 NA 75.73 NA 61.70 NA 63.10 NA 58.90 NA 73.45 NA 75.12 NA 70.12 NA
2033 75.72 77.39 72.39 81.78 NA 83.58 NA 78.18 NA 63.60 NA 65.01 NA 60.81 NA 75.72 NA 77.39 NA 72.39 NA
2034 77.55 79.22 74.22 83.75 NA 85.56 NA 80.16 NA 65.14 NA 66.55 NA 62.35 NA 77.55 NA 79.22 NA 74.22 NA
2035 79.25 80.92 75.92 85.59 NA 87.39 NA 81.99 NA 66.57 NA 67.97 NA 63.77 NA 79.25 NA 80.92 NA 75.92 NA
2036 80.87 82.54 77.54 87.34 NA 89.14 NA 83.74 NA 67.93 NA 69.33 NA 65.13 NA 80.87 NA 82.54 NA 77.54 NA
2037 82.07 83.74 78.74 88.64 NA 90.44 NA 85.04 NA 68.94 NA 70.35 NA 66.15 NA 82.07 NA 83.74 NA 78.74 NA
2038 84.44 86.11 81.11 91.20 NA 93.00 NA 87.60 NA 70.93 NA 72.33 NA 68.13 NA 84.44 NA 86.11 NA 81.11 NA
2039 85.80 87.47 82.47 92.66 NA 94.46 NA 89.06 NA 72.07 NA 73.47 NA 69.27 NA 85.80 NA 87.47 NA 82.47 NA
2040 87.46 89.13 84.13 94.46 NA 96.26 NA 90.86 NA 73.47 NA 74.87 NA 70.67 NA 87.46 NA 89.13 NA 84.13 NA
2041 89.08 90.75 85.75 96.20 NA 98.01 NA 92.61 NA 74.83 NA 76.23 NA 72.03 NA 89.08 NA 90.75 NA 85.75 NA
2042 90.66 92.33 87.33 97.92 NA 99.72 NA 94.32 NA 76.16 NA 77.56 NA 73.36 NA 90.66 NA 92.33 NA 87.33 NA
2043 92.46 94.13 89.13 99.86 NA 101.66 NA 96.26 NA 77.67 NA 79.07 NA 74.87 NA 92.46 NA 94.13 NA 89.13 NA
2044 94.55 96.22 91.22 102.11 NA 103.92 NA 98.52 NA 79.42 NA 80.82 NA 76.62 NA 94.55 NA 96.22 NA 91.22 NA
2045 96.87 98.54 93.54 104.62 NA 106.42 NA 101.02 NA 81.37 NA 82.77 NA 78.57 NA 96.87 NA 98.54 NA 93.54 NA
2046 98.97 100.64 95.64 106.89 NA 108.69 NA 103.29 NA 83.14 NA 84.54 NA 80.34 NA 98.97 NA 100.64 NA 95.64 NA
Heavy Load Hour
Rate Effective Date: June 1, 2021
AVISTA
AVOIDED COST RATES FOR NON-FUELED PROJECTS
Eligibility for these rates is limited to wind and solar projects 100 kW or smaller, and to non-wind and non-solar projects smaller than 10 aMW
AVISTA
NON-LEVELIZED RATES
Resource: Solar
Non Levelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)
Light Load Hour Flat Heavy Load Hour Light Load Hour
Non-Seasonalized Pricing
Heavy and
Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Flat
Attachment C to Order No. 35052 Case No. GNR-E-21-01
Page 5 of 11
Seasonalization Factors
Season 1 108.00%(Applied to July - February)Season 2 84.00%(Applied to March - June)
$1.67 ($3.33)
Contract Length Flat Heavy Load Hour Light Load Hour Price Price Price Price Price Price Price Price
1 27.93 29.60 24.60 30.16 NA 31.97 NA 26.57 NA 23.46 NA 24.86 NA 20.66 NA 27.93 NA 29.60 NA 24.60 NA
2 28.30 29.97 24.97 30.56 NA 32.37 NA 26.97 NA 23.77 NA 25.17 NA 20.97 NA 28.30 NA 29.97 NA 24.97 NA
3 28.13 29.80 24.80 30.38 NA 32.18 NA 26.78 NA 23.63 NA 25.03 NA 20.83 NA 28.13 NA 29.80 NA 24.80 NA
4 27.73 29.40 24.40 29.95 NA 31.75 NA 26.35 NA 23.29 NA 24.69 NA 20.49 NA 27.73 NA 29.40 NA 24.40 NA
5 27.78 29.45 24.45 30.00 NA 31.81 NA 26.41 NA 23.34 NA 24.74 NA 20.54 NA 27.78 NA 29.45 NA 24.45 NA
6 29.57 31.24 26.24 31.94 NA 33.74 NA 28.34 NA 24.84 NA 26.24 NA 22.04 NA 29.57 NA 31.24 NA 26.24 NA
7 33.02 34.69 29.69 35.66 NA 37.47 NA 32.07 NA 27.74 NA 29.14 NA 24.94 NA 33.02 NA 34.69 NA 29.69 NA
8 35.83 37.50 32.50 38.70 NA 40.51 NA 35.11 NA 30.10 NA 31.50 NA 27.30 NA 35.83 NA 37.50 NA 32.50 NA
9 38.21 39.88 34.88 41.27 NA 43.07 NA 37.67 NA 32.10 NA 33.50 NA 29.30 NA 38.21 NA 39.88 NA 34.88 NA
10 40.21 41.88 36.88 43.43 NA 45.23 NA 39.83 NA 33.78 NA 35.18 NA 30.98 NA 40.21 NA 41.88 NA 36.88 NA
11 41.95 43.62 38.62 45.30 NA 47.11 NA 41.71 NA 35.24 NA 36.64 NA 32.44 NA 41.95 NA 43.62 NA 38.62 NA
12 43.51 45.18 40.18 47.00 NA 48.80 NA 43.40 NA 36.55 NA 37.95 NA 33.75 NA 43.51 NA 45.18 NA 40.18 NA
13 44.93 46.60 41.60 48.53 NA 50.33 NA 44.93 NA 37.75 NA 39.15 NA 34.95 NA 44.93 NA 46.60 NA 41.60 NA
14 46.22 47.89 42.89 49.91 NA 51.72 NA 46.32 NA 38.82 NA 40.22 NA 36.02 NA 46.22 NA 47.89 NA 42.89 NA
15 47.38 49.05 44.05 51.17 NA 52.97 NA 47.57 NA 39.80 NA 41.20 NA 37.00 NA 47.38 NA 49.05 NA 44.05 NA
16 48.44 50.11 45.11 52.31 NA 54.12 NA 48.72 NA 40.69 NA 42.09 NA 37.89 NA 48.44 NA 50.11 NA 45.11 NA
17 49.40 51.07 46.07 53.35 NA 55.15 NA 49.75 NA 41.49 NA 42.90 NA 38.70 NA 49.40 NA 51.07 NA 46.07 NA
18 50.30 51.97 46.97 54.33 NA 56.13 NA 50.73 NA 42.25 NA 43.66 NA 39.46 NA 50.30 NA 51.97 NA 46.97 NA
19 51.14 52.81 47.81 55.23 NA 57.03 NA 51.63 NA 42.95 NA 44.36 NA 40.16 NA 51.14 NA 52.81 NA 47.81 NA
20 51.91 53.58 48.58 56.07 NA 57.87 NA 52.47 NA 43.61 NA 45.01 NA 40.81 NA 51.91 NA 53.58 NA 48.58 NA
$1.67 ($3.33)
Contract Length Flat Heavy Load Hour Light Load Hour Price Price Price Price Price Price Price Price Price
1 28.69 30.36 25.36 30.99 NA 32.79 NA 27.39 NA 24.10 NA 25.51 NA 21.31 NA 28.69 NA 30.36 NA 25.36 NA
2 28.24 29.91 24.91 30.50 NA 32.31 NA 26.91 NA 23.72 NA 25.13 NA 20.93 NA 28.24 NA 29.91 NA 24.91 NA
3 27.65 29.32 24.32 29.86 NA 31.67 NA 26.27 NA 23.23 NA 24.63 NA 20.43 NA 27.65 NA 29.32 NA 24.32 NA
4 27.74 29.41 24.41 29.96 NA 31.76 NA 26.36 NA 23.30 NA 24.70 NA 20.50 NA 27.74 NA 29.41 NA 24.41 NA
5 29.98 31.65 26.65 32.38 NA 34.18 NA 28.78 NA 25.18 NA 26.58 NA 22.38 NA 29.98 NA 31.65 NA 26.65 NA
6 34.10 35.77 30.77 36.83 NA 38.63 NA 33.23 NA 28.64 NA 30.05 NA 25.85 NA 34.10 NA 35.77 NA 30.77 NA
7 37.32 38.99 33.99 40.31 NA 42.11 NA 36.71 NA 31.35 NA 32.75 NA 28.55 NA 37.32 NA 38.99 NA 33.99 NA
8 39.96 41.63 36.63 43.16 NA 44.96 NA 39.56 NA 33.57 NA 34.97 NA 30.77 NA 39.96 NA 41.63 NA 36.63 NA
9 42.13 43.80 38.80 45.50 NA 47.30 NA 41.90 NA 35.39 NA 36.79 NA 32.59 NA 42.13 NA 43.80 NA 38.80 NA
10 43.98 45.65 40.65 47.49 NA 49.30 NA 43.90 NA 36.94 NA 38.34 NA 34.14 NA 43.98 NA 45.65 NA 40.65 NA
11 45.63 47.30 42.30 49.28 NA 51.08 NA 45.68 NA 38.33 NA 39.73 NA 35.53 NA 45.63 NA 47.30 NA 42.30 NA
12 47.12 48.79 43.79 50.89 NA 52.69 NA 47.29 NA 39.58 NA 40.98 NA 36.78 NA 47.12 NA 48.79 NA 43.79 NA
13 48.45 50.12 45.12 52.32 NA 54.13 NA 48.73 NA 40.70 NA 42.10 NA 37.90 NA 48.45 NA 50.12 NA 45.12 NA
14 49.65 51.32 46.32 53.62 NA 55.42 NA 50.02 NA 41.71 NA 43.11 NA 38.91 NA 49.65 NA 51.32 NA 46.32 NA
15 50.74 52.41 47.41 54.80 NA 56.60 NA 51.20 NA 42.62 NA 44.02 NA 39.82 NA 50.74 NA 52.41 NA 47.41 NA
16 51.72 53.39 48.39 55.86 NA 57.66 NA 52.26 NA 43.45 NA 44.85 NA 40.65 NA 51.72 NA 53.39 NA 48.39 NA
17 52.65 54.32 49.32 56.86 NA 58.67 NA 53.27 NA 44.23 NA 45.63 NA 41.43 NA 52.65 NA 54.32 NA 49.32 NA
18 53.50 55.17 50.17 57.78 NA 59.59 NA 54.19 NA 44.94 NA 46.34 NA 42.14 NA 53.50 NA 55.17 NA 50.17 NA
19 54.29 55.96 50.96 58.64 NA 60.44 NA 55.04 NA 45.61 NA 47.01 NA 42.81 NA 54.29 NA 55.96 NA 50.96 NA
20 55.03 56.70 51.70 59.44 NA 61.24 NA 55.84 NA 46.23 NA 47.63 NA 43.43 NA 55.03 NA 56.70 NA 51.70 NA
$1.67 ($3.33)
Contract Length
Flat Heavy Load Hour Light Load Hour Price Price Price Price Price Price Price Price Price1 27.76 29.43 24.43 29.98 NA 31.78 NA 26.38 NA 23.32 NA 24.72 NA 20.52 NA 27.76 NA 29.43 NA 24.43 NA2 27.07 28.74 23.74 29.24 NA 31.04 NA 25.64 NA 22.74 NA 24.14 NA 19.94 NA 27.07 NA 28.74 NA 23.74 NA3 27.37 29.04 24.04 29.56 NA 31.36 NA 25.96 NA 22.99 NA 24.39 NA 20.19 NA 27.37 NA 29.04 NA 24.04 NA4 30.36 32.03 27.03 32.79 NA 34.59 NA 29.19 NA 25.50 NA 26.90 NA 22.70 NA 30.36 NA 32.03 NA 27.03 NA5 35.43 37.10 32.10 38.26 NA 40.07 NA 34.67 NA 29.76 NA 31.16 NA 26.96 NA 35.43 NA 37.10 NA 32.10 NA6 39.15 40.82 35.82 42.28 NA 44.08 NA 38.68 NA 32.89 NA 34.29 NA 30.09 NA 39.15 NA 40.82 NA 35.82 NA7 42.08 43.75 38.75 45.44 NA 47.25 NA 41.85 NA 35.34 NA 36.75 NA 32.55 NA 42.08 NA 43.75 NA 38.75 NA8 44.41 46.08 41.08 47.96 NA 49.76 NA 44.36 NA 37.30 NA 38.70 NA 34.50 NA 44.41 NA 46.08 NA 41.08 NA9 46.36 48.03 43.03 50.07 NA 51.87 NA 46.47 NA 38.94 NA 40.34 NA 36.14 NA 46.36 NA 48.03 NA 43.03 NA10 48.08 49.75 44.75 51.93 NA 53.73 NA 48.33 NA 40.39 NA 41.79 NA 37.59 NA 48.08 NA 49.75 NA 44.75 NA11 49.62 51.29 46.29 53.58 NA 55.39 NA 49.99 NA 41.68 NA 43.08 NA 38.88 NA 49.62 NA 51.29 NA 46.29 NA12 50.98 52.65 47.65 55.06 NA 56.86 NA 51.46 NA 42.82 NA 44.23 NA 40.03 NA 50.98 NA 52.65 NA 47.65 NA13 52.21 53.88 48.88 56.38 NA 58.19 NA 52.79 NA 43.85 NA 45.26 NA 41.06 NA 52.21 NA 53.88 NA 48.88 NA14 53.31 54.98 49.98 57.58 NA 59.38 NA 53.98 NA 44.78 NA 46.19 NA 41.99 NA 53.31 NA 54.98 NA 49.98 NA15 54.31 55.98 50.98 58.65 NA 60.45 NA 55.05 NA 45.62 NA 47.02 NA 42.82 NA 54.31 NA 55.98 NA 50.98 NA16 55.25 56.92 51.92 59.67 NA 61.47 NA 56.07 NA 46.41 NA 47.81 NA 43.61 NA 55.25 NA 56.92 NA 51.92 NA17 56.10 57.77 52.77 60.59 NA 62.40 NA 57.00 NA 47.13 NA 48.53 NA 44.33 NA 56.10 NA 57.77 NA 52.77 NA18 56.90 58.57 53.57 61.46 NA 63.26 NA 57.86 NA 47.80 NA 49.20 NA 45.00 NA 56.90 NA 58.57 NA 53.57 NA19 57.65 59.32 54.32 62.26 NA 64.06 NA 58.66 NA 48.42 NA 49.83 NA 45.63 NA 57.65 NA 59.32 NA 54.32 NA20 58.34 60.01 55.01 63.01 NA 64.82 NA 59.42 NA 49.01 NA 50.41 NA 46.21 NA 58.34 NA 60.01 NA 55.01 NA
$1.67 ($3.33)
Contract Length Flat Heavy Load Hour Light Load Hour Price Price Price Price Price Price Price Price Price1 26.33 28.00 23.00 28.44 NA 30.24 NA 24.84 NA 22.12 NA 23.52 NA 19.32 NA 26.33 NA 28.00 NA 23.00 NA2 27.16 28.83 23.83 29.33 NA 31.13 NA 25.73 NA 22.81 NA 24.21 NA 20.01 NA 27.16 NA 28.83 NA 23.83 NA3 31.36 33.03 28.03 33.87 NA 35.67 NA 30.27 NA 26.34 NA 27.74 NA 23.54 NA 31.36 NA 33.03 NA 28.03 NA4 37.71 39.38 34.38 40.73 NA 42.53 NA 37.13 NA 31.68 NA 33.08 NA 28.88 NA 37.71 NA 39.38 NA 34.38 NA5 41.95 43.62 38.62 45.31 NA 47.11 NA 41.71 NA 35.24 NA 36.64 NA 32.44 NA 41.95 NA 43.62 NA 38.62 NA6 45.11 46.78 41.78 48.72 NA 50.52 NA 45.12 NA 37.89 NA 39.30 NA 35.10 NA 45.11 NA 46.78 NA 41.78 NA7 47.53 49.20 44.20 51.34 NA 53.14 NA 47.74 NA 39.93 NA 41.33 NA 37.13 NA 47.53 NA 49.20 NA 44.20 NA8 49.51 51.18 46.18 53.48 NA 55.28 NA 49.88 NA 41.59 NA 42.99 NA 38.79 NA 49.51 NA 51.18 NA 46.18 NA9 51.25 52.92 47.92 55.34 NA 57.15 NA 51.75 NA 43.05 NA 44.45 NA 40.25 NA 51.25 NA 52.92 NA 47.92 NA10 52.78 54.45 49.45 57.00 NA 58.80 NA 53.40 NA 44.33 NA 45.74 NA 41.54 NA 52.78 NA 54.45 NA 49.45 NA11 54.13 55.80 50.80 58.46 NA 60.27 NA 54.87 NA 45.47 NA 46.87 NA 42.67 NA 54.13 NA 55.80 NA 50.80 NA12 55.34 57.01 52.01 59.77 NA 61.57 NA 56.17 NA 46.49 NA 47.89 NA 43.69 NA 55.34 NA 57.01 NA 52.01 NA13 56.43 58.10 53.10 60.95 NA 62.75 NA 57.35 NA 47.40 NA 48.81 NA 44.61 NA 56.43 NA 58.10 NA 53.10 NA14 57.41 59.08 54.08 62.00 NA 63.80 NA 58.40 NA 48.22 NA 49.62 NA 45.42 NA 57.41 NA 59.08 NA 54.08 NA15 58.33 60.00 55.00 63.00 NA 64.80 NA 59.40 NA 49.00 NA 50.40 NA 46.20 NA 58.33 NA 60.00 NA 55.00 NA16 59.18 60.85 55.85 63.91 NA 65.71 NA 60.31 NA 49.71 NA 51.11 NA 46.91 NA 59.18 NA 60.85 NA 55.85 NA17 59.96 61.63 56.63 64.76 NA 66.56 NA 61.16 NA 50.37 NA 51.77 NA 47.57 NA 59.96 NA 61.63 NA 56.63 NA18 60.70 62.37 57.37 65.55 NA 67.35 NA 61.95 NA 50.98 NA 52.39 NA 48.19 NA 60.70 NA 62.37 NA 57.37 NA19 61.38 63.05 58.05 66.29 NA 68.10 NA 62.70 NA 51.56 NA 52.96 NA 48.76 NA 61.38 NA 63.05 NA 58.05 NA20 62.03 63.70 58.70 66.99 NA 68.80 NA 63.40 NA 52.11 NA 53.51 NA 49.31 NA 62.03 NA 63.70 NA 58.70 NA
$1.67 ($3.33)
Contract Length Flat Heavy Load Hour Light Load Hour Price Price Price Price Price Price Price Price Price1 28.04 29.71 24.71 30.28 NA 32.09 NA 26.69 NA 23.55 NA 24.96 NA 20.76 NA 28.04 NA 29.71 NA 24.71 NA2 34.15 35.82 30.82 36.88 NA 38.69 NA 33.29 NA 28.69 NA 30.09 NA 25.89 NA 34.15 NA 35.82 NA 30.82 NA3 42.08 43.75 38.75 45.44 NA 47.25 NA 41.85 NA 35.35 NA 36.75 NA 32.55 NA 42.08 NA 43.75 NA 38.75 NA4 46.60 48.27 43.27 50.33 NA 52.13 NA 46.73 NA 39.15 NA 40.55 NA 36.35 NA 46.60 NA 48.27 NA 43.27 NA5 49.73 51.40 46.40 53.71 NA 55.52 NA 50.12 NA 41.78 NA 43.18 NA 38.98 NA 49.73 NA 51.40 NA 46.40 NA6 52.03 53.70 48.70 56.19 NA 58.00 NA 52.60 NA 43.70 NA 45.11 NA 40.91 NA 52.03 NA 53.70 NA 48.70 NA7 53.87 55.54 50.54 58.18 NA 59.98 NA 54.58 NA 45.25 NA 46.65 NA 42.45 NA 53.87 NA 55.54 NA 50.54 NA8 55.47 57.14 52.14 59.91 NA 61.72 NA 56.32 NA 46.60 NA 48.00 NA 43.80 NA 55.47 NA 57.14 NA 52.14 NA9 56.90 58.57 53.57 61.45 NA 63.25 NA 57.85 NA 47.79 NA 49.20 NA 45.00 NA 56.90 NA 58.57 NA 53.57 NA10 58.16 59.83 54.83 62.81 NA 64.61 NA 59.21 NA 48.85 NA 50.25 NA 46.05 NA 58.16 NA 59.83 NA 54.83 NA11 59.28 60.95 55.95 64.02 NA 65.82 NA 60.42 NA 49.79 NA 51.20 NA 47.00 NA 59.28 NA 60.95 NA 55.95 NA12 60.29 61.96 56.96 65.12 NA 66.92 NA 61.52 NA 50.65 NA 52.05 NA 47.85 NA 60.29 NA 61.96 NA 56.96 NA13 61.20 62.87 57.87 66.09 NA 67.90 NA 62.50 NA 51.41 NA 52.81 NA 48.61 NA 61.20 NA 62.87 NA 57.87 NA14 62.07 63.74 58.74 67.03 NA 68.84 NA 63.44 NA 52.14 NA 53.54 NA 49.34 NA 62.07 NA 63.74 NA 58.74 NA15 62.86 64.53 59.53 67.89 NA 69.69 NA 64.29 NA 52.80 NA 54.21 NA 50.01 NA 62.86 NA 64.53 NA 59.53 NA16 63.60 65.27 60.27 68.69 NA 70.50 NA 65.10 NA 53.43 NA 54.83 NA 50.63 NA 63.60 NA 65.27 NA 60.27 NA17 64.30 65.97 60.97 69.44 NA 71.25 NA 65.85 NA 54.01 NA 55.42 NA 51.22 NA 64.30 NA 65.97 NA 60.97 NA18 64.95 66.62 61.62 70.15 NA 71.95 NA 66.55 NA 54.56 NA 55.96 NA 51.76 NA 64.95 NA 66.62 NA 61.62 NA19 65.58 67.25 62.25 70.82 NA 72.63 NA 67.23 NA 55.08 NA 56.49 NA 52.29 NA 65.58 NA 67.25 NA 62.25 NA20 66.18 67.85 62.85 71.47 NA 73.27 NA 67.87 NA 55.59 NA 56.99 NA 52.79 NA 66.18 NA 67.85 NA 62.85 NA
$1.67 ($3.33)
Contract Length Flat Heavy Load Hour Light Load Hour Price Price Price Price Price Price Price Price Price1 40.71 42.38 37.38 43.97 NA 45.77 NA 40.37 NA 34.20 NA 35.60 NA 31.40 NA 40.71 NA 42.38 NA 37.38 NA2 49.88 51.55 46.55 53.87 NA 55.68 NA 50.28 NA 41.90 NA 43.30 NA 39.10 NA 49.88 NA 51.55 NA 46.55 NA3 53.72 55.39 50.39 58.02 NA 59.82 NA 54.42 NA 45.13 NA 46.53 NA 42.33 NA 53.72 NA 55.39 NA 50.39 NA4 56.19 57.86 52.86 60.69 NA 62.49 NA 57.09 NA 47.20 NA 48.60 NA 44.40 NA 56.19 NA 57.86 NA 52.86 NA5 57.94 59.61 54.61 62.57 NA 64.37 NA 58.97 NA 48.67 NA 50.07 NA 45.87 NA 57.94 NA 59.61 NA 54.61 NA6 59.35 61.02 56.02 64.09 NA 65.90 NA 60.50 NA 49.85 NA 51.25 NA 47.05 NA 59.35 NA 61.02 NA 56.02 NA7 60.63 62.30 57.30 65.48 NA 67.28 NA 61.88 NA 50.93 NA 52.33 NA 48.13 NA 60.63 NA 62.30 NA 57.30 NA8 61.80 63.47 58.47 66.74 NA 68.54 NA 63.14 NA 51.91 NA 53.31 NA 49.11 NA 61.80 NA 63.47 NA 58.47 NA9 62.85 64.52 59.52 67.87 NA 69.68 NA 64.28 NA 52.79 NA 54.19 NA 49.99 NA 62.85 NA 64.52 NA 59.52 NA10 63.80 65.47 60.47 68.90 NA 70.71 NA 65.31 NA 53.59 NA 54.99 NA 50.79 NA 63.80 NA 65.47 NA 60.47 NA11 64.67 66.34 61.34 69.84 NA 71.65 NA 66.25 NA 54.32 NA 55.72 NA 51.52 NA 64.67 NA 66.34 NA 61.34 NA12 65.45 67.12 62.12 70.69 NA 72.49 NA 67.09 NA 54.98 NA 56.38 NA 52.18 NA 65.45 NA 67.12 NA 62.12 NA13 66.22 67.89 62.89 71.52 NA 73.32 NA 67.92 NA 55.62 NA 57.03 NA 52.83 NA 66.22 NA 67.89 NA 62.89 NA14 66.93 68.60 63.60 72.28 NA 74.08 NA 68.68 NA 56.22 NA 57.62 NA 53.42 NA 66.93 NA 68.60 NA 63.60 NA15 67.60 69.27 64.27 73.00 NA 74.81 NA 69.41 NA 56.78 NA 58.18 NA 53.98 NA 67.60 NA 69.27 NA 64.27 NA16 68.23 69.90 64.90 73.69 NA 75.49 NA 70.09 NA 57.31 NA 58.72 NA 54.52 NA 68.23 NA 69.90 NA 64.90 NA17 68.83 70.50 65.50 74.33 NA 76.14 NA 70.74 NA 57.82 NA 59.22 NA 55.02 NA 68.83 NA 70.50 NA 65.50 NA18 69.40 71.07 66.07 74.96 NA 76.76 NA 71.36 NA 58.30 NA 59.70 NA 55.50 NA 69.40 NA 71.07 NA 66.07 NA19 69.96 71.63 66.63 75.56 NA 77.36 NA 71.96 NA 58.77 NA 60.17 NA 55.97 NA 69.96 NA 71.63 NA 66.63 NA20 70.51 72.18 67.18 76.15 NA 77.96 NA 72.56 NA 59.23 NA 60.63 NA 56.43 NA 70.51 NA 72.18 NA 67.18 NA
Rate Effective Date: June 1, 2021Resource: Non-seasonal hydro
Levelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)
AVISTA
AVOIDED COST RATES FOR NON-FUELED PROJECTS
Eligibility for these rates is limited to wind and solar projects 100 kW or smaller, and to non-wind and non-solar projects smaller than 10 aMW
AVISTALEVELIZED RATESPROJECT ON-LINE IN 2021
Non-Seasonalized Pricing
Heavy and Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour Flat Heavy Load Hour Light Load Hour Flat
Price less wind integration adjustmentPrice
AVISTALEVELIZED RATESPROJECT ON-LINE IN 2022Rate Effective Date: June 1, 2021Resource: Non-seasonal hydro
Heavy Load Hour Light Load Hour
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Flat Heavy Load Hour Light Load Hour Flat Heavy Load Hour Light Load Hour
Levelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)Non-Seasonalized Pricing
Heavy and Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour
Rate Effective Date: June 1, 2021Resource: Non-seasonal hydroLevelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
AVISTALEVELIZED RATESPROJECT ON-LINE IN 2023
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Non-Seasonalized Pricing
Heavy and Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour
Resource: Non-seasonal hydro
Heavy Load Hour Light Load Hour
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Flat Heavy Load Hour Light Load Hour Flat
Price less wind integration adjustment
AVISTALEVELIZED RATESPROJECT ON-LINE IN 2024Rate Effective Date: June 1, 2021
Price less wind integration adjustment
Flat Heavy Load Hour Light Load Hour Flat Heavy Load Hour Light Load Hour
Levelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)Non-Seasonalized Pricing
Heavy and Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Non-Seasonalized PricingHeavy and Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour Heavy Load Hour Light Load Hour
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Flat Heavy Load Hour Light Load Hour Flat
AVISTALEVELIZED RATESPROJECT ON-LINE IN 2025
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Rate Effective Date: June 1, 2021Resource: Non-seasonal hydroLevelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)
Price less wind integration adjustment
AVISTALEVELIZED RATES
Resource: Non-seasonal hydro
Price less wind integration adjustment
Flat
PROJECT ON-LINE IN 2026Rate Effective Date: June 1, 2021
Light Load Hour Flat Heavy Load Hour Light Load Hour
Levelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)Non-Seasonalized Pricing
Heavy and Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Heavy Load Hour
Attachment C to Order No. 35052 Case No. GNR-E-21-01
Page 6 of 11
Seasonalization Factors
Season 1 108.00%(Applied to July - February)
Season 2 84.00%(Applied to March - June)
$1.67 ($3.33)
Year
Flat Heavy Load
Hour
Light Load
Hour Price Price Price Price Price Price Price Price Price
2021 27.93 29.60 24.60 30.16 NA 31.97 NA 26.57 NA 23.46 NA 24.86 NA 20.66 NA 27.93 NA 29.60 NA 24.60 NA
2022 28.69 30.36 25.36 30.99 NA 32.79 NA 27.39 NA 24.10 NA 25.51 NA 21.31 NA 28.69 NA 30.36 NA 25.36 NA
2023 27.76 29.43 24.43 29.98 NA 31.78 NA 26.38 NA 23.32 NA 24.72 NA 20.52 NA 27.76 NA 29.43 NA 24.43 NA
2024 26.33 28.00 23.00 28.44 NA 30.24 NA 24.84 NA 22.12 NA 23.52 NA 19.32 NA 26.33 NA 28.00 NA 23.00 NA
2025 28.04 29.71 24.71 30.28 NA 32.09 NA 26.69 NA 23.55 NA 24.96 NA 20.76 NA 28.04 NA 29.71 NA 24.71 NA
2026 40.71 42.38 37.38 43.97 NA 45.77 NA 40.37 NA 34.20 NA 35.60 NA 31.40 NA 40.71 NA 42.38 NA 37.38 NA
2027 59.72 61.39 56.39 64.50 NA 66.31 NA 60.91 NA 50.17 NA 51.57 NA 47.37 NA 59.72 NA 61.39 NA 56.39 NA
2028 62.27 63.94 58.94 67.25 NA 69.05 NA 63.65 NA 52.30 NA 53.71 NA 49.51 NA 62.27 NA 63.94 NA 58.94 NA
2029 64.75 66.42 61.42 69.93 NA 71.73 NA 66.33 NA 54.39 NA 55.79 NA 51.59 NA 64.75 NA 66.42 NA 61.42 NA
2030 66.29 67.96 62.96 71.60 NA 73.40 NA 68.00 NA 55.69 NA 57.09 NA 52.89 NA 66.29 NA 67.96 NA 62.96 NA
2031 68.11 69.78 64.78 73.56 NA 75.37 NA 69.97 NA 57.22 NA 58.62 NA 54.42 NA 68.11 NA 69.78 NA 64.78 NA
2032 70.55 72.22 67.22 76.20 NA 78.00 NA 72.60 NA 59.27 NA 60.67 NA 56.47 NA 70.55 NA 72.22 NA 67.22 NA
2033 72.78 74.45 69.45 78.60 NA 80.40 NA 75.00 NA 61.13 NA 62.53 NA 58.33 NA 72.78 NA 74.45 NA 69.45 NA
2034 74.56 76.23 71.23 80.53 NA 82.33 NA 76.93 NA 62.63 NA 64.04 NA 59.84 NA 74.56 NA 76.23 NA 71.23 NA
2035 76.22 77.89 72.89 82.31 NA 84.12 NA 78.72 NA 64.02 NA 65.42 NA 61.22 NA 76.22 NA 77.89 NA 72.89 NA
2036 77.80 79.47 74.47 84.02 NA 85.82 NA 80.42 NA 65.35 NA 66.75 NA 62.55 NA 77.80 NA 79.47 NA 74.47 NA
2037 78.95 80.62 75.62 85.27 NA 87.07 NA 81.67 NA 66.32 NA 67.72 NA 63.52 NA 78.95 NA 80.62 NA 75.62 NA
2038 81.27 82.94 77.94 87.77 NA 89.58 NA 84.18 NA 68.27 NA 69.67 NA 65.47 NA 81.27 NA 82.94 NA 77.94 NA
2039 82.58 84.25 79.25 89.19 NA 90.99 NA 85.59 NA 69.37 NA 70.77 NA 66.57 NA 82.58 NA 84.25 NA 79.25 NA
2040 84.20 85.87 80.87 90.93 NA 92.74 NA 87.34 NA 70.73 NA 72.13 NA 67.93 NA 84.20 NA 85.87 NA 80.87 NA
2041 85.77 87.44 82.44 92.63 NA 94.43 NA 89.03 NA 72.05 NA 73.45 NA 69.25 NA 85.77 NA 87.44 NA 82.44 NA
2042 87.30 88.97 83.97 94.29 NA 96.09 NA 90.69 NA 73.34 NA 74.74 NA 70.54 NA 87.30 NA 88.97 NA 83.97 NA
2043 89.05 90.72 85.72 96.18 NA 97.98 NA 92.58 NA 74.80 NA 76.21 NA 72.01 NA 89.05 NA 90.72 NA 85.72 NA
2044 91.09 92.76 87.76 98.38 NA 100.18 NA 94.78 NA 76.52 NA 77.92 NA 73.72 NA 91.09 NA 92.76 NA 87.76 NA
2045 93.36 95.03 90.03 100.82 NA 102.63 NA 97.23 NA 78.42 NA 79.82 NA 75.62 NA 93.36 NA 95.03 NA 90.03 NA
2046 95.41 97.08 92.08 103.04 NA 104.85 NA 99.45 NA 80.14 NA 81.55 NA 77.35 NA 95.41 NA 97.08 NA 92.08 NA
Heavy Load Hour
Rate Effective Date: June 1, 2021
AVISTA
AVOIDED COST RATES FOR NON-FUELED PROJECTS
Eligibility for these rates is limited to wind and solar projects 100 kW or smaller, and to non-wind and non-solar projects smaller than 10 aMW
AVISTA
NON-LEVELIZED RATES
Resource: Non-seasonal hydro
Non Levelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)
Light Load Hour Flat Heavy Load Hour Light Load Hour
Non-Seasonalized Pricing
Heavy and
Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Flat
Attachment C to Order No. 35052 Case No. GNR-E-21-01
Page 7 of 11
Seasonalization Factors
Season 1 108.00%(Applied to July - February)Season 2 84.00%(Applied to March - June)
$1.67 ($3.33)
Contract Length Flat Heavy Load Hour Light Load Hour Price Price Price Price Price Price Price Price
1 27.93 29.60 24.60 30.16 NA 31.97 NA 26.57 NA 23.46 NA 24.86 NA 20.66 NA 27.93 NA 29.60 NA 24.60 NA
2 28.30 29.97 24.97 30.56 NA 32.37 NA 26.97 NA 23.77 NA 25.17 NA 20.97 NA 28.30 NA 29.97 NA 24.97 NA
3 28.13 29.80 24.80 30.38 NA 32.18 NA 26.78 NA 23.63 NA 25.03 NA 20.83 NA 28.13 NA 29.80 NA 24.80 NA
4 27.73 29.40 24.40 29.95 NA 31.75 NA 26.35 NA 23.29 NA 24.69 NA 20.49 NA 27.73 NA 29.40 NA 24.40 NA
5 27.78 29.45 24.45 30.00 NA 31.81 NA 26.41 NA 23.34 NA 24.74 NA 20.54 NA 27.78 NA 29.45 NA 24.45 NA
6 28.10 29.77 24.77 30.35 NA 32.15 NA 26.75 NA 23.60 NA 25.00 NA 20.80 NA 28.10 NA 29.77 NA 24.77 NA
7 33.87 35.54 30.54 36.58 NA 38.39 NA 32.99 NA 28.45 NA 29.86 NA 25.66 NA 33.87 NA 35.54 NA 30.54 NA
8 38.45 40.12 35.12 41.53 NA 43.33 NA 37.93 NA 32.30 NA 33.70 NA 29.50 NA 38.45 NA 40.12 NA 35.12 NA
9 42.22 43.89 38.89 45.59 NA 47.40 NA 42.00 NA 35.46 NA 36.86 NA 32.66 NA 42.22 NA 43.89 NA 38.89 NA
10 45.34 47.01 42.01 48.96 NA 50.77 NA 45.37 NA 38.08 NA 39.48 NA 35.28 NA 45.34 NA 47.01 NA 42.01 NA
11 48.00 49.67 44.67 51.84 NA 53.64 NA 48.24 NA 40.32 NA 41.72 NA 37.52 NA 48.00 NA 49.67 NA 44.67 NA
12 50.35 52.02 47.02 54.37 NA 56.18 NA 50.78 NA 42.29 NA 43.69 NA 39.49 NA 50.35 NA 52.02 NA 47.02 NA
13 52.44 54.11 49.11 56.63 NA 58.43 NA 53.03 NA 44.05 NA 45.45 NA 41.25 NA 52.44 NA 54.11 NA 49.11 NA
14 54.30 55.97 50.97 58.64 NA 60.45 NA 55.05 NA 45.61 NA 47.01 NA 42.81 NA 54.30 NA 55.97 NA 50.97 NA
15 55.97 57.64 52.64 60.45 NA 62.25 NA 56.85 NA 47.02 NA 48.42 NA 44.22 NA 55.97 NA 57.64 NA 52.64 NA
16 57.48 59.15 54.15 62.08 NA 63.88 NA 58.48 NA 48.28 NA 49.69 NA 45.49 NA 57.48 NA 59.15 NA 54.15 NA
17 58.84 60.51 55.51 63.55 NA 65.35 NA 59.95 NA 49.43 NA 50.83 NA 46.63 NA 58.84 NA 60.51 NA 55.51 NA
18 60.11 61.78 56.78 64.92 NA 66.73 NA 61.33 NA 50.49 NA 51.90 NA 47.70 NA 60.11 NA 61.78 NA 56.78 NA
19 61.27 62.94 57.94 66.18 NA 67.98 NA 62.58 NA 51.47 NA 52.87 NA 48.67 NA 61.27 NA 62.94 NA 57.94 NA
20 62.35 64.02 59.02 67.34 NA 69.14 NA 63.74 NA 52.37 NA 53.78 NA 49.58 NA 62.35 NA 64.02 NA 59.02 NA
$1.67 ($3.33)
Contract Length Flat Heavy Load Hour Light Load Hour Price Price Price Price Price Price Price Price Price
1 28.69 30.36 25.36 30.99 NA 32.79 NA 27.39 NA 24.10 NA 25.51 NA 21.31 NA 28.69 NA 30.36 NA 25.36 NA
2 28.24 29.91 24.91 30.50 NA 32.31 NA 26.91 NA 23.72 NA 25.13 NA 20.93 NA 28.24 NA 29.91 NA 24.91 NA
3 27.65 29.32 24.32 29.86 NA 31.67 NA 26.27 NA 23.23 NA 24.63 NA 20.43 NA 27.65 NA 29.32 NA 24.32 NA
4 27.74 29.41 24.41 29.96 NA 31.76 NA 26.36 NA 23.30 NA 24.70 NA 20.50 NA 27.74 NA 29.41 NA 24.41 NA
5 28.14 29.81 24.81 30.39 NA 32.19 NA 26.79 NA 23.64 NA 25.04 NA 20.84 NA 28.14 NA 29.81 NA 24.81 NA
6 35.13 36.80 31.80 37.95 NA 39.75 NA 34.35 NA 29.51 NA 30.92 NA 26.72 NA 35.13 NA 36.80 NA 31.80 NA
7 40.43 42.10 37.10 43.66 NA 45.47 NA 40.07 NA 33.96 NA 35.36 NA 31.16 NA 40.43 NA 42.10 NA 37.10 NA
8 44.64 46.31 41.31 48.21 NA 50.02 NA 44.62 NA 37.50 NA 38.90 NA 34.70 NA 44.64 NA 46.31 NA 41.31 NA
9 48.05 49.72 44.72 51.89 NA 53.69 NA 48.29 NA 40.36 NA 41.76 NA 37.56 NA 48.05 NA 49.72 NA 44.72 NA
10 50.90 52.57 47.57 54.97 NA 56.78 NA 51.38 NA 42.76 NA 44.16 NA 39.96 NA 50.90 NA 52.57 NA 47.57 NA
11 53.39 55.06 50.06 57.66 NA 59.46 NA 54.06 NA 44.85 NA 46.25 NA 42.05 NA 53.39 NA 55.06 NA 50.06 NA
12 55.58 57.25 52.25 60.03 NA 61.83 NA 56.43 NA 46.69 NA 48.09 NA 43.89 NA 55.58 NA 57.25 NA 52.25 NA
13 57.52 59.19 54.19 62.12 NA 63.92 NA 58.52 NA 48.31 NA 49.72 NA 45.52 NA 57.52 NA 59.19 NA 54.19 NA
14 59.24 60.91 55.91 63.98 NA 65.79 NA 60.39 NA 49.77 NA 51.17 NA 46.97 NA 59.24 NA 60.91 NA 55.91 NA
15 60.80 62.47 57.47 65.66 NA 67.47 NA 62.07 NA 51.07 NA 52.47 NA 48.27 NA 60.80 NA 62.47 NA 57.47 NA
16 62.19 63.86 58.86 67.17 NA 68.97 NA 63.57 NA 52.24 NA 53.64 NA 49.44 NA 62.19 NA 63.86 NA 58.86 NA
17 63.49 65.16 60.16 68.57 NA 70.37 NA 64.97 NA 53.33 NA 54.73 NA 50.53 NA 63.49 NA 65.16 NA 60.16 NA
18 64.67 66.34 61.34 69.85 NA 71.65 NA 66.25 NA 54.33 NA 55.73 NA 51.53 NA 64.67 NA 66.34 NA 61.34 NA
19 65.77 67.44 62.44 71.03 NA 72.83 NA 67.43 NA 55.24 NA 56.65 NA 52.45 NA 65.77 NA 67.44 NA 62.44 NA
20 66.78 68.45 63.45 72.12 NA 73.93 NA 68.53 NA 56.10 NA 57.50 NA 53.30 NA 66.78 NA 68.45 NA 63.45 NA
$1.67 ($3.33)
Contract Length
Flat Heavy Load Hour Light Load Hour Price Price Price Price Price Price Price Price Price1 27.76 29.43 24.43 29.98 NA 31.78 NA 26.38 NA 23.32 NA 24.72 NA 20.52 NA 27.76 NA 29.43 NA 24.43 NA2 27.07 28.74 23.74 29.24 NA 31.04 NA 25.64 NA 22.74 NA 24.14 NA 19.94 NA 27.07 NA 28.74 NA 23.74 NA3 27.37 29.04 24.04 29.56 NA 31.36 NA 25.96 NA 22.99 NA 24.39 NA 20.19 NA 27.37 NA 29.04 NA 24.04 NA4 27.97 29.64 24.64 30.21 NA 32.02 NA 26.62 NA 23.50 NA 24.90 NA 20.70 NA 27.97 NA 29.64 NA 24.64 NA5 36.72 38.39 33.39 39.66 NA 41.46 NA 36.06 NA 30.84 NA 32.25 NA 28.05 NA 36.72 NA 38.39 NA 33.39 NA6 42.92 44.59 39.59 46.35 NA 48.15 NA 42.75 NA 36.05 NA 37.45 NA 33.25 NA 42.92 NA 44.59 NA 39.59 NA7 47.64 49.31 44.31 51.45 NA 53.25 NA 47.85 NA 40.01 NA 41.42 NA 37.22 NA 47.64 NA 49.31 NA 44.31 NA8 51.33 53.00 48.00 55.44 NA 57.24 NA 51.84 NA 43.12 NA 44.52 NA 40.32 NA 51.33 NA 53.00 NA 48.00 NA9 54.36 56.03 51.03 58.71 NA 60.51 NA 55.11 NA 45.66 NA 47.07 NA 42.87 NA 54.36 NA 56.03 NA 51.03 NA10 56.96 58.63 53.63 61.52 NA 63.32 NA 57.92 NA 47.85 NA 49.25 NA 45.05 NA 56.96 NA 58.63 NA 53.63 NA11 59.23 60.90 55.90 63.97 NA 65.77 NA 60.37 NA 49.75 NA 51.15 NA 46.95 NA 59.23 NA 60.90 NA 55.90 NA12 61.21 62.88 57.88 66.11 NA 67.91 NA 62.51 NA 51.42 NA 52.82 NA 48.62 NA 61.21 NA 62.88 NA 57.88 NA13 62.97 64.64 59.64 68.01 NA 69.81 NA 64.41 NA 52.90 NA 54.30 NA 50.10 NA 62.97 NA 64.64 NA 59.64 NA14 64.55 66.22 61.22 69.71 NA 71.51 NA 66.11 NA 54.22 NA 55.62 NA 51.42 NA 64.55 NA 66.22 NA 61.22 NA15 65.95 67.62 62.62 71.23 NA 73.03 NA 67.63 NA 55.40 NA 56.80 NA 52.60 NA 65.95 NA 67.62 NA 62.62 NA16 67.26 68.93 63.93 72.64 NA 74.44 NA 69.04 NA 56.50 NA 57.90 NA 53.70 NA 67.26 NA 68.93 NA 63.93 NA17 68.45 70.12 65.12 73.92 NA 75.73 NA 70.33 NA 57.50 NA 58.90 NA 54.70 NA 68.45 NA 70.12 NA 65.12 NA18 69.55 71.22 66.22 75.11 NA 76.91 NA 71.51 NA 58.42 NA 59.82 NA 55.62 NA 69.55 NA 71.22 NA 66.22 NA19 70.56 72.23 67.23 76.21 NA 78.01 NA 72.61 NA 59.27 NA 60.68 NA 56.48 NA 70.56 NA 72.23 NA 67.23 NA20 71.51 73.18 68.18 77.23 NA 79.03 NA 73.63 NA 60.07 NA 61.47 NA 57.27 NA 71.51 NA 73.18 NA 68.18 NA
$1.67 ($3.33)
Contract Length Flat Heavy Load Hour Light Load Hour Price Price Price Price Price Price Price Price Price1 26.33 28.00 23.00 28.44 NA 30.24 NA 24.84 NA 22.12 NA 23.52 NA 19.32 NA 26.33 NA 28.00 NA 23.00 NA2 27.16 28.83 23.83 29.33 NA 31.13 NA 25.73 NA 22.81 NA 24.21 NA 20.01 NA 27.16 NA 28.83 NA 23.83 NA3 28.06 29.73 24.73 30.30 NA 32.11 NA 26.71 NA 23.57 NA 24.97 NA 20.77 NA 28.06 NA 29.73 NA 24.73 NA4 39.39 41.06 36.06 42.54 NA 44.34 NA 38.94 NA 33.08 NA 34.49 NA 30.29 NA 39.39 NA 41.06 NA 36.06 NA5 46.65 48.32 43.32 50.38 NA 52.18 NA 46.78 NA 39.18 NA 40.59 NA 36.39 NA 46.65 NA 48.32 NA 43.32 NA6 51.85 53.52 48.52 56.00 NA 57.80 NA 52.40 NA 43.56 NA 44.96 NA 40.76 NA 51.85 NA 53.52 NA 48.52 NA7 55.76 57.43 52.43 60.22 NA 62.02 NA 56.62 NA 46.84 NA 48.24 NA 44.04 NA 55.76 NA 57.43 NA 52.43 NA8 58.88 60.55 55.55 63.59 NA 65.39 NA 59.99 NA 49.46 NA 50.86 NA 46.66 NA 58.88 NA 60.55 NA 55.55 NA9 61.51 63.18 58.18 66.43 NA 68.24 NA 62.84 NA 51.67 NA 53.07 NA 48.87 NA 61.51 NA 63.18 NA 58.18 NA10 63.78 65.45 60.45 68.88 NA 70.69 NA 65.29 NA 53.58 NA 54.98 NA 50.78 NA 63.78 NA 65.45 NA 60.45 NA11 65.75 67.42 62.42 71.01 NA 72.82 NA 67.42 NA 55.23 NA 56.64 NA 52.44 NA 65.75 NA 67.42 NA 62.42 NA12 67.49 69.16 64.16 72.89 NA 74.69 NA 69.29 NA 56.69 NA 58.09 NA 53.89 NA 67.49 NA 69.16 NA 64.16 NA13 69.04 70.71 65.71 74.56 NA 76.36 NA 70.96 NA 57.99 NA 59.39 NA 55.19 NA 69.04 NA 70.71 NA 65.71 NA14 70.41 72.08 67.08 76.04 NA 77.85 NA 72.45 NA 59.15 NA 60.55 NA 56.35 NA 70.41 NA 72.08 NA 67.08 NA15 71.69 73.36 68.36 77.43 NA 79.23 NA 73.83 NA 60.22 NA 61.62 NA 57.42 NA 71.69 NA 73.36 NA 68.36 NA16 72.86 74.53 69.53 78.68 NA 80.49 NA 75.09 NA 61.20 NA 62.60 NA 58.40 NA 72.86 NA 74.53 NA 69.53 NA17 73.93 75.60 70.60 79.84 NA 81.65 NA 76.25 NA 62.10 NA 63.50 NA 59.30 NA 73.93 NA 75.60 NA 70.60 NA18 74.93 76.60 71.60 80.92 NA 82.72 NA 77.32 NA 62.94 NA 64.34 NA 60.14 NA 74.93 NA 76.60 NA 71.60 NA19 75.85 77.52 72.52 81.92 NA 83.73 NA 78.33 NA 63.72 NA 65.12 NA 60.92 NA 75.85 NA 77.52 NA 72.52 NA20 76.72 78.39 73.39 82.86 NA 84.67 NA 79.27 NA 64.45 NA 65.85 NA 61.65 NA 76.72 NA 78.39 NA 73.39 NA
$1.67 ($3.33)
Contract Length Flat Heavy Load Hour Light Load Hour Price Price Price Price Price Price Price Price Price1 28.04 29.71 24.71 30.28 NA 32.09 NA 26.69 NA 23.55 NA 24.96 NA 20.76 NA 28.04 NA 29.71 NA 24.71 NA2 29.02 30.69 25.69 31.34 NA 33.14 NA 27.74 NA 24.37 NA 25.78 NA 21.58 NA 29.02 NA 30.69 NA 25.69 NA3 44.39 46.06 41.06 47.94 NA 49.75 NA 44.35 NA 37.29 NA 38.69 NA 34.49 NA 44.39 NA 46.06 NA 41.06 NA4 52.69 54.36 49.36 56.91 NA 58.71 NA 53.31 NA 44.26 NA 45.67 NA 41.47 NA 52.69 NA 54.36 NA 49.36 NA5 58.13 59.80 54.80 62.79 NA 64.59 NA 59.19 NA 48.83 NA 50.24 NA 46.04 NA 58.13 NA 59.80 NA 54.80 NA6 62.00 63.67 58.67 66.96 NA 68.76 NA 63.36 NA 52.08 NA 53.48 NA 49.28 NA 62.00 NA 63.67 NA 58.67 NA7 64.99 66.66 61.66 70.19 NA 71.99 NA 66.59 NA 54.59 NA 55.99 NA 51.79 NA 64.99 NA 66.66 NA 61.66 NA8 67.48 69.15 64.15 72.88 NA 74.68 NA 69.28 NA 56.68 NA 58.09 NA 53.89 NA 67.48 NA 69.15 NA 64.15 NA9 69.62 71.29 66.29 75.18 NA 76.99 NA 71.59 NA 58.48 NA 59.88 NA 55.68 NA 69.62 NA 71.29 NA 66.29 NA10 71.46 73.13 68.13 77.17 NA 78.98 NA 73.58 NA 60.02 NA 61.43 NA 57.23 NA 71.46 NA 73.13 NA 68.13 NA11 73.07 74.74 69.74 78.92 NA 80.72 NA 75.32 NA 61.38 NA 62.79 NA 58.59 NA 73.07 NA 74.74 NA 69.74 NA12 74.51 76.18 71.18 80.47 NA 82.28 NA 76.88 NA 62.59 NA 63.99 NA 59.79 NA 74.51 NA 76.18 NA 71.18 NA13 75.79 77.46 72.46 81.85 NA 83.66 NA 78.26 NA 63.66 NA 65.07 NA 60.87 NA 75.79 NA 77.46 NA 72.46 NA14 76.99 78.66 73.66 83.15 NA 84.95 NA 79.55 NA 64.67 NA 66.07 NA 61.87 NA 76.99 NA 78.66 NA 73.66 NA15 78.08 79.75 74.75 84.32 NA 86.13 NA 80.73 NA 65.58 NA 66.99 NA 62.79 NA 78.08 NA 79.75 NA 74.75 NA16 79.09 80.76 75.76 85.41 NA 87.22 NA 81.82 NA 66.43 NA 67.84 NA 63.64 NA 79.09 NA 80.76 NA 75.76 NA17 80.03 81.70 76.70 86.43 NA 88.23 NA 82.83 NA 67.22 NA 68.62 NA 64.42 NA 80.03 NA 81.70 NA 76.70 NA18 80.90 82.57 77.57 87.37 NA 89.18 NA 83.78 NA 67.96 NA 69.36 NA 65.16 NA 80.90 NA 82.57 NA 77.57 NA19 81.73 83.40 78.40 88.27 NA 90.07 NA 84.67 NA 68.65 NA 70.05 NA 65.85 NA 81.73 NA 83.40 NA 78.40 NA20 82.52 84.19 79.19 89.12 NA 90.92 NA 85.52 NA 69.31 NA 70.72 NA 66.52 NA 82.52 NA 84.19 NA 79.19 NA
$1.67 ($3.33)
Contract Length Flat Heavy Load Hour Light Load Hour Price Price Price Price Price Price Price Price Price1 30.07 31.74 26.74 32.47 NA 34.27 NA 28.87 NA 25.26 NA 26.66 NA 22.46 NA 30.07 NA 31.74 NA 26.74 NA2 53.48 55.15 50.15 57.76 NA 59.56 NA 54.16 NA 44.92 NA 46.33 NA 42.13 NA 53.48 NA 55.15 NA 50.15 NA3 62.15 63.82 58.82 67.12 NA 68.92 NA 63.52 NA 52.20 NA 53.61 NA 49.41 NA 62.15 NA 63.82 NA 58.82 NA4 67.09 68.76 63.76 72.46 NA 74.26 NA 68.86 NA 56.36 NA 57.76 NA 53.56 NA 67.09 NA 68.76 NA 63.76 NA5 70.36 72.03 67.03 75.99 NA 77.79 NA 72.39 NA 59.10 NA 60.51 NA 56.31 NA 70.36 NA 72.03 NA 67.03 NA6 72.83 74.50 69.50 78.65 NA 80.46 NA 75.06 NA 61.17 NA 62.58 NA 58.38 NA 72.83 NA 74.50 NA 69.50 NA7 74.89 76.56 71.56 80.88 NA 82.69 NA 77.29 NA 62.91 NA 64.31 NA 60.11 NA 74.89 NA 76.56 NA 71.56 NA8 76.67 78.34 73.34 82.81 NA 84.61 NA 79.21 NA 64.40 NA 65.81 NA 61.61 NA 76.67 NA 78.34 NA 73.34 NA9 78.22 79.89 74.89 84.48 NA 86.28 NA 80.88 NA 65.71 NA 67.11 NA 62.91 NA 78.22 NA 79.89 NA 74.89 NA10 79.59 81.26 76.26 85.96 NA 87.76 NA 82.36 NA 66.86 NA 68.26 NA 64.06 NA 79.59 NA 81.26 NA 76.26 NA11 80.82 82.49 77.49 87.29 NA 89.09 NA 83.69 NA 67.89 NA 69.29 NA 65.09 NA 80.82 NA 82.49 NA 77.49 NA12 81.92 83.59 78.59 88.47 NA 90.27 NA 84.87 NA 68.81 NA 70.21 NA 66.01 NA 81.92 NA 83.59 NA 78.59 NA13 82.96 84.63 79.63 89.60 NA 91.40 NA 86.00 NA 69.69 NA 71.09 NA 66.89 NA 82.96 NA 84.63 NA 79.63 NA14 83.92 85.59 80.59 90.63 NA 92.44 NA 87.04 NA 70.49 NA 71.90 NA 67.70 NA 83.92 NA 85.59 NA 80.59 NA15 84.82 86.49 81.49 91.60 NA 93.40 NA 88.00 NA 71.25 NA 72.65 NA 68.45 NA 84.82 NA 86.49 NA 81.49 NA16 85.66 87.33 82.33 92.51 NA 94.31 NA 88.91 NA 71.95 NA 73.35 NA 69.15 NA 85.66 NA 87.33 NA 82.33 NA17 86.45 88.12 83.12 93.36 NA 95.17 NA 89.77 NA 72.62 NA 74.02 NA 69.82 NA 86.45 NA 88.12 NA 83.12 NA18 87.20 88.87 83.87 94.18 NA 95.98 NA 90.58 NA 73.25 NA 74.65 NA 70.45 NA 87.20 NA 88.87 NA 83.87 NA19 87.93 89.60 84.60 94.96 NA 96.77 NA 91.37 NA 73.86 NA 75.26 NA 71.06 NA 87.93 NA 89.60 NA 84.60 NA20 88.63 90.30 85.30 95.72 NA 97.53 NA 92.13 NA 74.45 NA 75.85 NA 71.65 NA 88.63 NA 90.30 NA 85.30 NA
Rate Effective Date: June 1, 2021Resource: Seasonal hydro
Levelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)
AVISTA
AVOIDED COST RATES FOR NON-FUELED PROJECTS
Eligibility for these rates is limited to wind and solar projects 100 kW or smaller, and to non-wind and non-solar projects smaller than 10 aMW
AVISTALEVELIZED RATESPROJECT ON-LINE IN 2021
Non-Seasonalized Pricing
Heavy and Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour Flat Heavy Load Hour Light Load Hour Flat
Price less wind integration adjustmentPrice
AVISTALEVELIZED RATESPROJECT ON-LINE IN 2022Rate Effective Date: June 1, 2021Resource: Seasonal hydro
Heavy Load Hour Light Load Hour
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Flat Heavy Load Hour Light Load Hour Flat Heavy Load Hour Light Load Hour
Levelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)Non-Seasonalized Pricing
Heavy and Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour
Rate Effective Date: June 1, 2021Resource: Seasonal hydroLevelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
AVISTALEVELIZED RATESPROJECT ON-LINE IN 2023
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Non-Seasonalized Pricing
Heavy and Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour
Resource: Seasonal hydro
Heavy Load Hour Light Load Hour
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Flat Heavy Load Hour Light Load Hour Flat
Price less wind integration adjustment
AVISTALEVELIZED RATESPROJECT ON-LINE IN 2024Rate Effective Date: June 1, 2021
Price less wind integration adjustment
Flat Heavy Load Hour Light Load Hour Flat Heavy Load Hour Light Load Hour
Levelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)Non-Seasonalized Pricing
Heavy and Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Non-Seasonalized PricingHeavy and Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour Heavy Load Hour Light Load Hour
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Flat Heavy Load Hour Light Load Hour Flat
AVISTALEVELIZED RATESPROJECT ON-LINE IN 2025
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Rate Effective Date: June 1, 2021Resource: Seasonal hydroLevelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)
Price less wind integration adjustment
AVISTALEVELIZED RATES
Resource: Seasonal hydro
Price less wind integration adjustment
Flat
PROJECT ON-LINE IN 2026Rate Effective Date: June 1, 2021
Light Load Hour Flat Heavy Load Hour Light Load Hour
Levelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)Non-Seasonalized Pricing
Heavy and Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Heavy Load Hour
Attachment C to Order No. 35052 Case No. GNR-E-21-01
Page 8 of 11
Seasonalization Factors
Season 1 108.00%(Applied to July - February)
Season 2 84.00%(Applied to March - June)
$1.67 ($3.33)
Year
Flat Heavy Load
Hour
Light Load
Hour Price Price Price Price Price Price Price Price Price
2021 27.93 29.60 24.60 30.16 NA 31.97 NA 26.57 NA 23.46 NA 24.86 NA 20.66 NA 27.93 NA 29.60 NA 24.60 NA
2022 28.69 30.36 25.36 30.99 NA 32.79 NA 27.39 NA 24.10 NA 25.51 NA 21.31 NA 28.69 NA 30.36 NA 25.36 NA
2023 27.76 29.43 24.43 29.98 NA 31.78 NA 26.38 NA 23.32 NA 24.72 NA 20.52 NA 27.76 NA 29.43 NA 24.43 NA
2024 26.33 28.00 23.00 28.44 NA 30.24 NA 24.84 NA 22.12 NA 23.52 NA 19.32 NA 26.33 NA 28.00 NA 23.00 NA
2025 28.04 29.71 24.71 30.28 NA 32.09 NA 26.69 NA 23.55 NA 24.96 NA 20.76 NA 28.04 NA 29.71 NA 24.71 NA
2026 30.07 31.74 26.74 32.47 NA 34.27 NA 28.87 NA 25.26 NA 26.66 NA 22.46 NA 30.07 NA 31.74 NA 26.74 NA
2027 78.62 80.29 75.29 84.91 NA 86.71 NA 81.31 NA 66.04 NA 67.44 NA 63.24 NA 78.62 NA 80.29 NA 75.29 NA
2028 81.44 83.11 78.11 87.96 NA 89.76 NA 84.36 NA 68.41 NA 69.81 NA 65.61 NA 81.44 NA 83.11 NA 78.11 NA
2029 84.20 85.87 80.87 90.94 NA 92.74 NA 87.34 NA 70.73 NA 72.13 NA 67.93 NA 84.20 NA 85.87 NA 80.87 NA
2030 86.04 87.71 82.71 92.92 NA 94.72 NA 89.32 NA 72.27 NA 73.67 NA 69.47 NA 86.04 NA 87.71 NA 82.71 NA
2031 88.15 89.82 84.82 95.20 NA 97.00 NA 91.60 NA 74.04 NA 75.45 NA 71.25 NA 88.15 NA 89.82 NA 84.82 NA
2032 90.88 92.55 87.55 98.15 NA 99.96 NA 94.56 NA 76.34 NA 77.74 NA 73.54 NA 90.88 NA 92.55 NA 87.55 NA
2033 93.40 95.07 90.07 100.88 NA 102.68 NA 97.28 NA 78.46 NA 79.86 NA 75.66 NA 93.40 NA 95.07 NA 90.07 NA
2034 95.50 97.17 92.17 103.14 NA 104.94 NA 99.54 NA 80.22 NA 81.62 NA 77.42 NA 95.50 NA 97.17 NA 92.17 NA
2035 97.46 99.13 94.13 105.25 NA 107.06 NA 101.66 NA 81.86 NA 83.27 NA 79.07 NA 97.46 NA 99.13 NA 94.13 NA
2036 99.35 101.02 96.02 107.30 NA 109.10 NA 103.70 NA 83.46 NA 84.86 NA 80.66 NA 99.35 NA 101.02 NA 96.02 NA
2037 100.83 102.50 97.50 108.89 NA 110.70 NA 105.30 NA 84.70 NA 86.10 NA 81.90 NA 100.83 NA 102.50 NA 97.50 NA
2038 103.47 105.14 100.14 111.75 NA 113.55 NA 108.15 NA 86.91 NA 88.32 NA 84.12 NA 103.47 NA 105.14 NA 100.14 NA
2039 105.11 106.78 101.78 113.52 NA 115.32 NA 109.92 NA 88.29 NA 89.69 NA 85.49 NA 105.11 NA 106.78 NA 101.78 NA
2040 107.06 108.73 103.73 115.62 NA 117.43 NA 112.03 NA 89.93 NA 91.33 NA 87.13 NA 107.06 NA 108.73 NA 103.73 NA
2041 108.97 110.64 105.64 117.68 NA 119.49 NA 114.09 NA 91.53 NA 92.93 NA 88.73 NA 108.97 NA 110.64 NA 105.64 NA
2042 110.84 112.51 107.51 119.71 NA 121.51 NA 116.11 NA 93.11 NA 94.51 NA 90.31 NA 110.84 NA 112.51 NA 107.51 NA
2043 112.94 114.61 109.61 121.97 NA 123.78 NA 118.38 NA 94.87 NA 96.27 NA 92.07 NA 112.94 NA 114.61 NA 109.61 NA
2044 115.33 117.00 112.00 124.56 NA 126.36 NA 120.96 NA 96.88 NA 98.28 NA 94.08 NA 115.33 NA 117.00 NA 112.00 NA
2045 117.96 119.63 114.63 127.39 NA 129.20 NA 123.80 NA 99.08 NA 100.49 NA 96.29 NA 117.96 NA 119.63 NA 114.63 NA
2046 120.37 122.04 117.04 130.00 NA 131.81 NA 126.41 NA 101.11 NA 102.52 NA 98.32 NA 120.37 NA 122.04 NA 117.04 NA
Heavy Load Hour
Rate Effective Date: June 1, 2021
AVISTA
AVOIDED COST RATES FOR NON-FUELED PROJECTS
Eligibility for these rates is limited to wind and solar projects 100 kW or smaller, and to non-wind and non-solar projects smaller than 10 aMW
AVISTA
NON-LEVELIZED RATES
Resource: Seasonal hydro
Non Levelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)
Light Load Hour Flat Heavy Load Hour Light Load Hour
Non-Seasonalized Pricing
Heavy and
Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Flat
Attachment C to Order No. 35052 Case No. GNR-E-21-01
Page 9 of 11
Seasonalization Factors
Season 1 108.00%(Applied to July - February)Season 2 84.00%(Applied to March - June)
$1.67 ($3.33)
Contract Length Flat Heavy Load Hour Light Load Hour Price Price Price Price Price Price Price Price
1 27.93 29.60 24.60 30.16 NA 31.97 NA 26.57 NA 23.46 NA 24.86 NA 20.66 NA 27.93 NA 29.60 NA 24.60 NA
2 28.30 29.97 24.97 30.56 NA 32.37 NA 26.97 NA 23.77 NA 25.17 NA 20.97 NA 28.30 NA 29.97 NA 24.97 NA
3 28.13 29.80 24.80 30.38 NA 32.18 NA 26.78 NA 23.63 NA 25.03 NA 20.83 NA 28.13 NA 29.80 NA 24.80 NA
4 27.73 29.40 24.40 29.95 NA 31.75 NA 26.35 NA 23.29 NA 24.69 NA 20.49 NA 27.73 NA 29.40 NA 24.40 NA
5 27.78 29.45 24.45 30.00 NA 31.81 NA 26.41 NA 23.34 NA 24.74 NA 20.54 NA 27.78 NA 29.45 NA 24.45 NA
6 30.93 32.60 27.60 33.41 NA 35.21 NA 29.81 NA 25.98 NA 27.39 NA 23.19 NA 30.93 NA 32.60 NA 27.60 NA
7 33.39 35.06 30.06 36.06 NA 37.86 NA 32.46 NA 28.05 NA 29.45 NA 25.25 NA 33.39 NA 35.06 NA 30.06 NA
8 35.45 37.12 32.12 38.29 NA 40.09 NA 34.69 NA 29.78 NA 31.18 NA 26.98 NA 35.45 NA 37.12 NA 32.12 NA
9 37.24 38.91 33.91 40.22 NA 42.03 NA 36.63 NA 31.28 NA 32.69 NA 28.49 NA 37.24 NA 38.91 NA 33.91 NA
10 38.77 40.44 35.44 41.87 NA 43.67 NA 38.27 NA 32.56 NA 33.97 NA 29.77 NA 38.77 NA 40.44 NA 35.44 NA
11 40.11 41.78 36.78 43.32 NA 45.12 NA 39.72 NA 33.69 NA 35.10 NA 30.90 NA 40.11 NA 41.78 NA 36.78 NA
12 41.35 43.02 38.02 44.65 NA 46.46 NA 41.06 NA 34.73 NA 36.13 NA 31.93 NA 41.35 NA 43.02 NA 38.02 NA
13 42.48 44.15 39.15 45.88 NA 47.69 NA 42.29 NA 35.69 NA 37.09 NA 32.89 NA 42.48 NA 44.15 NA 39.15 NA
14 43.52 45.19 40.19 47.00 NA 48.81 NA 43.41 NA 36.56 NA 37.96 NA 33.76 NA 43.52 NA 45.19 NA 40.19 NA
15 44.47 46.14 41.14 48.03 NA 49.83 NA 44.43 NA 37.35 NA 38.76 NA 34.56 NA 44.47 NA 46.14 NA 41.14 NA
16 45.34 47.01 42.01 48.97 NA 50.77 NA 45.37 NA 38.08 NA 39.49 NA 35.29 NA 45.34 NA 47.01 NA 42.01 NA
17 46.13 47.80 42.80 49.82 NA 51.62 NA 46.22 NA 38.75 NA 40.15 NA 35.95 NA 46.13 NA 47.80 NA 42.80 NA
18 46.88 48.55 43.55 50.63 NA 52.44 NA 47.04 NA 39.38 NA 40.79 NA 36.59 NA 46.88 NA 48.55 NA 43.55 NA
19 47.58 49.25 44.25 51.39 NA 53.19 NA 47.79 NA 39.97 NA 41.37 NA 37.17 NA 47.58 NA 49.25 NA 44.25 NA
20 48.23 49.90 44.90 52.09 NA 53.89 NA 48.49 NA 40.51 NA 41.92 NA 37.72 NA 48.23 NA 49.90 NA 44.90 NA
$1.67 ($3.33)
Contract Length Flat Heavy Load Hour Light Load Hour Price Price Price Price Price Price Price Price Price
1 28.69 30.36 25.36 30.99 NA 32.79 NA 27.39 NA 24.10 NA 25.51 NA 21.31 NA 28.69 NA 30.36 NA 25.36 NA
2 28.24 29.91 24.91 30.50 NA 32.31 NA 26.91 NA 23.72 NA 25.13 NA 20.93 NA 28.24 NA 29.91 NA 24.91 NA
3 27.65 29.32 24.32 29.86 NA 31.67 NA 26.27 NA 23.23 NA 24.63 NA 20.43 NA 27.65 NA 29.32 NA 24.32 NA
4 27.74 29.41 24.41 29.96 NA 31.76 NA 26.36 NA 23.30 NA 24.70 NA 20.50 NA 27.74 NA 29.41 NA 24.41 NA
5 31.67 33.34 28.34 34.21 NA 36.01 NA 30.61 NA 26.61 NA 28.01 NA 23.81 NA 31.67 NA 33.34 NA 28.34 NA
6 34.55 36.22 31.22 37.31 NA 39.11 NA 33.71 NA 29.02 NA 30.42 NA 26.22 NA 34.55 NA 36.22 NA 31.22 NA
7 36.87 38.54 33.54 39.82 NA 41.62 NA 36.22 NA 30.97 NA 32.37 NA 28.17 NA 36.87 NA 38.54 NA 33.54 NA
8 38.83 40.50 35.50 41.93 NA 43.74 NA 38.34 NA 32.61 NA 34.02 NA 29.82 NA 38.83 NA 40.50 NA 35.50 NA
9 40.46 42.13 37.13 43.69 NA 45.50 NA 40.10 NA 33.98 NA 35.39 NA 31.19 NA 40.46 NA 42.13 NA 37.13 NA
10 41.87 43.54 38.54 45.22 NA 47.03 NA 41.63 NA 35.17 NA 36.58 NA 32.38 NA 41.87 NA 43.54 NA 38.54 NA
11 43.17 44.84 39.84 46.62 NA 48.42 NA 43.02 NA 36.26 NA 37.66 NA 33.46 NA 43.17 NA 44.84 NA 39.84 NA
12 44.35 46.02 41.02 47.90 NA 49.70 NA 44.30 NA 37.25 NA 38.66 NA 34.46 NA 44.35 NA 46.02 NA 41.02 NA
13 45.42 47.09 42.09 49.06 NA 50.86 NA 45.46 NA 38.16 NA 39.56 NA 35.36 NA 45.42 NA 47.09 NA 42.09 NA
14 46.40 48.07 43.07 50.11 NA 51.92 NA 46.52 NA 38.98 NA 40.38 NA 36.18 NA 46.40 NA 48.07 NA 43.07 NA
15 47.29 48.96 43.96 51.08 NA 52.88 NA 47.48 NA 39.73 NA 41.13 NA 36.93 NA 47.29 NA 48.96 NA 43.96 NA
16 48.10 49.77 44.77 51.95 NA 53.75 NA 48.35 NA 40.40 NA 41.81 NA 37.61 NA 48.10 NA 49.77 NA 44.77 NA
17 48.87 50.54 45.54 52.78 NA 54.59 NA 49.19 NA 41.05 NA 42.46 NA 38.26 NA 48.87 NA 50.54 NA 45.54 NA
18 49.58 51.25 46.25 53.55 NA 55.35 NA 49.95 NA 41.65 NA 43.05 NA 38.85 NA 49.58 NA 51.25 NA 46.25 NA
19 50.25 51.92 46.92 54.27 NA 56.07 NA 50.67 NA 42.21 NA 43.61 NA 39.41 NA 50.25 NA 51.92 NA 46.92 NA
20 50.87 52.54 47.54 54.94 NA 56.74 NA 51.34 NA 42.73 NA 44.13 NA 39.93 NA 50.87 NA 52.54 NA 47.54 NA
$1.67 ($3.33)
Contract Length
Flat Heavy Load Hour Light Load Hour Price Price Price Price Price Price Price Price Price1 27.76 29.43 24.43 29.98 NA 31.78 NA 26.38 NA 23.32 NA 24.72 NA 20.52 NA 27.76 NA 29.43 NA 24.43 NA2 27.07 28.74 23.74 29.24 NA 31.04 NA 25.64 NA 22.74 NA 24.14 NA 19.94 NA 27.07 NA 28.74 NA 23.74 NA3 27.37 29.04 24.04 29.56 NA 31.36 NA 25.96 NA 22.99 NA 24.39 NA 20.19 NA 27.37 NA 29.04 NA 24.04 NA4 32.56 34.23 29.23 35.17 NA 36.97 NA 31.57 NA 27.35 NA 28.75 NA 24.55 NA 32.56 NA 34.23 NA 29.23 NA5 35.99 37.66 32.66 38.87 NA 40.67 NA 35.27 NA 30.23 NA 31.63 NA 27.43 NA 35.99 NA 37.66 NA 32.66 NA6 38.60 40.27 35.27 41.69 NA 43.49 NA 38.09 NA 32.42 NA 33.83 NA 29.63 NA 38.60 NA 40.27 NA 35.27 NA7 40.73 42.40 37.40 43.99 NA 45.79 NA 40.39 NA 34.21 NA 35.61 NA 31.41 NA 40.73 NA 42.40 NA 37.40 NA8 42.45 44.12 39.12 45.85 NA 47.65 NA 42.25 NA 35.66 NA 37.06 NA 32.86 NA 42.45 NA 44.12 NA 39.12 NA9 43.93 45.60 40.60 47.44 NA 49.24 NA 43.84 NA 36.90 NA 38.30 NA 34.10 NA 43.93 NA 45.60 NA 40.60 NA10 45.26 46.93 41.93 48.88 NA 50.69 NA 45.29 NA 38.02 NA 39.42 NA 35.22 NA 45.26 NA 46.93 NA 41.93 NA11 46.48 48.15 43.15 50.19 NA 52.00 NA 46.60 NA 39.04 NA 40.44 NA 36.24 NA 46.48 NA 48.15 NA 43.15 NA12 47.57 49.24 44.24 51.38 NA 53.18 NA 47.78 NA 39.96 NA 41.36 NA 37.16 NA 47.57 NA 49.24 NA 44.24 NA13 48.56 50.23 45.23 52.45 NA 54.25 NA 48.85 NA 40.79 NA 42.19 NA 37.99 NA 48.56 NA 50.23 NA 45.23 NA14 49.46 51.13 46.13 53.42 NA 55.23 NA 49.83 NA 41.55 NA 42.95 NA 38.75 NA 49.46 NA 51.13 NA 46.13 NA15 50.28 51.95 46.95 54.30 NA 56.10 NA 50.70 NA 42.23 NA 43.64 NA 39.44 NA 50.28 NA 51.95 NA 46.95 NA16 51.06 52.73 47.73 55.14 NA 56.95 NA 51.55 NA 42.89 NA 44.29 NA 40.09 NA 51.06 NA 52.73 NA 47.73 NA17 51.78 53.45 48.45 55.92 NA 57.72 NA 52.32 NA 43.49 NA 44.89 NA 40.69 NA 51.78 NA 53.45 NA 48.45 NA18 52.45 54.12 49.12 56.64 NA 58.44 NA 53.04 NA 44.05 NA 45.46 NA 41.26 NA 52.45 NA 54.12 NA 49.12 NA19 53.07 54.74 49.74 57.32 NA 59.12 NA 53.72 NA 44.58 NA 45.98 NA 41.78 NA 53.07 NA 54.74 NA 49.74 NA20 53.66 55.33 50.33 57.96 NA 59.76 NA 54.36 NA 45.08 NA 46.48 NA 42.28 NA 53.66 NA 55.33 NA 50.33 NA
$1.67 ($3.33)
Contract Length Flat Heavy Load Hour Light Load Hour Price Price Price Price Price Price Price Price Price1 26.33 28.00 23.00 28.44 NA 30.24 NA 24.84 NA 22.12 NA 23.52 NA 19.32 NA 26.33 NA 28.00 NA 23.00 NA2 27.16 28.83 23.83 29.33 NA 31.13 NA 25.73 NA 22.81 NA 24.21 NA 20.01 NA 27.16 NA 28.83 NA 23.83 NA3 34.40 36.07 31.07 37.16 NA 38.96 NA 33.56 NA 28.90 NA 30.30 NA 26.10 NA 34.40 NA 36.07 NA 31.07 NA4 38.44 40.11 35.11 41.51 NA 43.32 NA 37.92 NA 32.29 NA 33.69 NA 29.49 NA 38.44 NA 40.11 NA 35.11 NA5 41.27 42.94 37.94 44.57 NA 46.38 NA 40.98 NA 34.67 NA 36.07 NA 31.87 NA 41.27 NA 42.94 NA 37.94 NA6 43.48 45.15 40.15 46.96 NA 48.76 NA 43.36 NA 36.52 NA 37.93 NA 33.73 NA 43.48 NA 45.15 NA 40.15 NA7 45.21 46.88 41.88 48.83 NA 50.63 NA 45.23 NA 37.98 NA 39.38 NA 35.18 NA 45.21 NA 46.88 NA 41.88 NA8 46.67 48.34 43.34 50.40 NA 52.21 NA 46.81 NA 39.20 NA 40.61 NA 36.41 NA 46.67 NA 48.34 NA 43.34 NA9 47.99 49.66 44.66 51.83 NA 53.63 NA 48.23 NA 40.31 NA 41.71 NA 37.51 NA 47.99 NA 49.66 NA 44.66 NA10 49.18 50.85 45.85 53.12 NA 54.92 NA 49.52 NA 41.31 NA 42.72 NA 38.52 NA 49.18 NA 50.85 NA 45.85 NA11 50.26 51.93 46.93 54.28 NA 56.08 NA 50.68 NA 42.22 NA 43.62 NA 39.42 NA 50.26 NA 51.93 NA 46.93 NA12 51.23 52.90 47.90 55.33 NA 57.13 NA 51.73 NA 43.03 NA 44.44 NA 40.24 NA 51.23 NA 52.90 NA 47.90 NA13 52.11 53.78 48.78 56.28 NA 58.09 NA 52.69 NA 43.78 NA 45.18 NA 40.98 NA 52.11 NA 53.78 NA 48.78 NA14 52.91 54.58 49.58 57.14 NA 58.94 NA 53.54 NA 44.44 NA 45.85 NA 41.65 NA 52.91 NA 54.58 NA 49.58 NA15 53.67 55.34 50.34 57.97 NA 59.77 NA 54.37 NA 45.09 NA 46.49 NA 42.29 NA 53.67 NA 55.34 NA 50.34 NA16 54.38 56.05 51.05 58.73 NA 60.53 NA 55.13 NA 45.68 NA 47.08 NA 42.88 NA 54.38 NA 56.05 NA 51.05 NA17 55.04 56.71 51.71 59.44 NA 61.24 NA 55.84 NA 46.23 NA 47.63 NA 43.43 NA 55.04 NA 56.71 NA 51.71 NA18 55.65 57.32 52.32 60.11 NA 61.91 NA 56.51 NA 46.75 NA 48.15 NA 43.95 NA 55.65 NA 57.32 NA 52.32 NA19 56.24 57.91 52.91 60.73 NA 62.54 NA 57.14 NA 47.24 NA 48.64 NA 44.44 NA 56.24 NA 57.91 NA 52.91 NA20 56.79 58.46 53.46 61.33 NA 63.14 NA 57.74 NA 47.70 NA 49.11 NA 44.91 NA 56.79 NA 58.46 NA 53.46 NA
$1.67 ($3.33)
Contract Length Flat Heavy Load Hour Light Load Hour Price Price Price Price Price Price Price Price Price1 28.04 29.71 24.71 30.28 NA 32.09 NA 26.69 NA 23.55 NA 24.96 NA 20.76 NA 28.04 NA 29.71 NA 24.71 NA2 38.89 40.56 35.56 42.00 NA 43.80 NA 38.40 NA 32.67 NA 34.07 NA 29.87 NA 38.89 NA 40.56 NA 35.56 NA3 43.08 44.75 39.75 46.53 NA 48.33 NA 42.93 NA 36.19 NA 37.59 NA 33.39 NA 43.08 NA 44.75 NA 39.75 NA4 45.71 47.38 42.38 49.37 NA 51.18 NA 45.78 NA 38.40 NA 39.80 NA 35.60 NA 45.71 NA 47.38 NA 42.38 NA5 47.70 49.37 44.37 51.52 NA 53.32 NA 47.92 NA 40.07 NA 41.47 NA 37.27 NA 47.70 NA 49.37 NA 44.37 NA6 49.22 50.89 45.89 53.15 NA 54.96 NA 49.56 NA 41.34 NA 42.75 NA 38.55 NA 49.22 NA 50.89 NA 45.89 NA7 50.49 52.16 47.16 54.53 NA 56.33 NA 50.93 NA 42.41 NA 43.81 NA 39.61 NA 50.49 NA 52.16 NA 47.16 NA8 51.66 53.33 48.33 55.80 NA 57.60 NA 52.20 NA 43.40 NA 44.80 NA 40.60 NA 51.66 NA 53.33 NA 48.33 NA9 52.74 54.41 49.41 56.96 NA 58.77 NA 53.37 NA 44.30 NA 45.71 NA 41.51 NA 52.74 NA 54.41 NA 49.41 NA10 53.72 55.39 50.39 58.02 NA 59.82 NA 54.42 NA 45.12 NA 46.53 NA 42.33 NA 53.72 NA 55.39 NA 50.39 NA11 54.61 56.28 51.28 58.98 NA 60.78 NA 55.38 NA 45.87 NA 47.27 NA 43.07 NA 54.61 NA 56.28 NA 51.28 NA12 55.42 57.09 52.09 59.85 NA 61.66 NA 56.26 NA 46.55 NA 47.96 NA 43.76 NA 55.42 NA 57.09 NA 52.09 NA13 56.15 57.82 52.82 60.64 NA 62.45 NA 57.05 NA 47.17 NA 48.57 NA 44.37 NA 56.15 NA 57.82 NA 52.82 NA14 56.87 58.54 53.54 61.42 NA 63.22 NA 57.82 NA 47.77 NA 49.17 NA 44.97 NA 56.87 NA 58.54 NA 53.54 NA15 57.52 59.19 54.19 62.13 NA 63.93 NA 58.53 NA 48.32 NA 49.72 NA 45.52 NA 57.52 NA 59.19 NA 54.19 NA16 58.15 59.82 54.82 62.80 NA 64.60 NA 59.20 NA 48.84 NA 50.24 NA 46.04 NA 58.15 NA 59.82 NA 54.82 NA17 58.73 60.40 55.40 63.43 NA 65.23 NA 59.83 NA 49.33 NA 50.74 NA 46.54 NA 58.73 NA 60.40 NA 55.40 NA18 59.28 60.95 55.95 64.03 NA 65.83 NA 60.43 NA 49.80 NA 51.20 NA 47.00 NA 59.28 NA 60.95 NA 55.95 NA19 59.81 61.48 56.48 64.60 NA 66.40 NA 61.00 NA 50.24 NA 51.65 NA 47.45 NA 59.81 NA 61.48 NA 56.48 NA20 60.33 62.00 57.00 65.15 NA 66.96 NA 61.56 NA 50.68 NA 52.08 NA 47.88 NA 60.33 NA 62.00 NA 57.00 NA
$1.67 ($3.33)
Contract Length Flat Heavy Load Hour Light Load Hour Price Price Price Price Price Price Price Price Price1 50.53 52.20 47.20 54.58 NA 56.38 NA 50.98 NA 42.45 NA 43.85 NA 39.65 NA 50.53 NA 52.20 NA 47.20 NA2 51.44 53.11 48.11 55.55 NA 57.36 NA 51.96 NA 43.21 NA 44.61 NA 40.41 NA 51.44 NA 53.11 NA 48.11 NA3 52.49 54.16 49.16 56.69 NA 58.50 NA 53.10 NA 44.09 NA 45.50 NA 41.30 NA 52.49 NA 54.16 NA 49.16 NA4 53.55 55.22 50.22 57.83 NA 59.64 NA 54.24 NA 44.98 NA 46.39 NA 42.19 NA 53.55 NA 55.22 NA 50.22 NA5 54.43 56.10 51.10 58.79 NA 60.59 NA 55.19 NA 45.72 NA 47.12 NA 42.92 NA 54.43 NA 56.10 NA 51.10 NA6 55.25 56.92 51.92 59.67 NA 61.48 NA 56.08 NA 46.41 NA 47.81 NA 43.61 NA 55.25 NA 56.92 NA 51.92 NA7 56.10 57.77 52.77 60.59 NA 62.39 NA 56.99 NA 47.13 NA 48.53 NA 44.33 NA 56.10 NA 57.77 NA 52.77 NA8 56.94 58.61 53.61 61.49 NA 63.30 NA 57.90 NA 47.83 NA 49.23 NA 45.03 NA 56.94 NA 58.61 NA 53.61 NA9 57.72 59.39 54.39 62.34 NA 64.14 NA 58.74 NA 48.49 NA 49.89 NA 45.69 NA 57.72 NA 59.39 NA 54.39 NA10 58.45 60.12 55.12 63.13 NA 64.93 NA 59.53 NA 49.10 NA 50.50 NA 46.30 NA 58.45 NA 60.12 NA 55.12 NA11 59.14 60.81 55.81 63.87 NA 65.67 NA 60.27 NA 49.67 NA 51.08 NA 46.88 NA 59.14 NA 60.81 NA 55.81 NA12 59.76 61.43 56.43 64.54 NA 66.34 NA 60.94 NA 50.20 NA 51.60 NA 47.40 NA 59.76 NA 61.43 NA 56.43 NA13 60.38 62.05 57.05 65.21 NA 67.02 NA 61.62 NA 50.72 NA 52.13 NA 47.93 NA 60.38 NA 62.05 NA 57.05 NA14 60.97 62.64 57.64 65.84 NA 67.65 NA 62.25 NA 51.21 NA 52.62 NA 48.42 NA 60.97 NA 62.64 NA 57.64 NA15 61.52 63.19 58.19 66.45 NA 68.25 NA 62.85 NA 51.68 NA 53.08 NA 48.88 NA 61.52 NA 63.19 NA 58.19 NA16 62.06 63.73 58.73 67.02 NA 68.82 NA 63.42 NA 52.13 NA 53.53 NA 49.33 NA 62.06 NA 63.73 NA 58.73 NA17 62.56 64.23 59.23 67.57 NA 69.37 NA 63.97 NA 52.55 NA 53.96 NA 49.76 NA 62.56 NA 64.23 NA 59.23 NA18 63.05 64.72 59.72 68.10 NA 69.90 NA 64.50 NA 52.96 NA 54.37 NA 50.17 NA 63.05 NA 64.72 NA 59.72 NA19 63.53 65.20 60.20 68.62 NA 70.42 NA 65.02 NA 53.37 NA 54.77 NA 50.57 NA 63.53 NA 65.20 NA 60.20 NA20 64.01 65.68 60.68 69.13 NA 70.93 NA 65.53 NA 53.77 NA 55.17 NA 50.97 NA 64.01 NA 65.68 NA 60.68 NA
Rate Effective Date: June 1, 2021Resource: Other
Levelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)
AVISTA
AVOIDED COST RATES FOR NON-FUELED PROJECTS
Eligibility for these rates is limited to wind and solar projects 100 kW or smaller, and to non-wind and non-solar projects smaller than 10 aMW
AVISTALEVELIZED RATESPROJECT ON-LINE IN 2021
Non-Seasonalized Pricing
Heavy and Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour Flat Heavy Load Hour Light Load Hour Flat
Price less wind integration adjustmentPrice
AVISTALEVELIZED RATESPROJECT ON-LINE IN 2022Rate Effective Date: June 1, 2021Resource: Other
Heavy Load Hour Light Load Hour
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Flat Heavy Load Hour Light Load Hour Flat Heavy Load Hour Light Load Hour
Levelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)Non-Seasonalized Pricing
Heavy and Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour
Rate Effective Date: June 1, 2021Resource: OtherLevelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
AVISTALEVELIZED RATESPROJECT ON-LINE IN 2023
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Non-Seasonalized Pricing
Heavy and Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour
Resource: Other
Heavy Load Hour Light Load Hour
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Flat Heavy Load Hour Light Load Hour Flat
Price less wind integration adjustment
AVISTALEVELIZED RATESPROJECT ON-LINE IN 2024Rate Effective Date: June 1, 2021
Price less wind integration adjustment
Flat Heavy Load Hour Light Load Hour Flat Heavy Load Hour Light Load Hour
Levelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)Non-Seasonalized Pricing
Heavy and Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Non-Seasonalized PricingHeavy and Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour Heavy Load Hour Light Load Hour
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Flat Heavy Load Hour Light Load Hour Flat
AVISTALEVELIZED RATESPROJECT ON-LINE IN 2025
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Rate Effective Date: June 1, 2021Resource: OtherLevelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)
Price less wind integration adjustment
AVISTALEVELIZED RATES
Resource: Other
Price less wind integration adjustment
Flat
PROJECT ON-LINE IN 2026Rate Effective Date: June 1, 2021
Light Load Hour Flat Heavy Load Hour Light Load Hour
Levelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)Non-Seasonalized Pricing
Heavy and Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Price less wind integration adjustment
Heavy Load Hour
Attachment C to Order No. 35052 Case No. GNR-E-21-01
Page 10 of 11
Seasonalization Factors
Season 1 108.00%(Applied to July - February)
Season 2 84.00%(Applied to March - June)
$1.67 ($3.33)
Year
Flat Heavy Load
Hour
Light Load
Hour Price Price Price Price Price Price Price Price Price
2021 27.93 29.60 24.60 30.16 NA 31.97 NA 26.57 NA 23.46 NA 24.86 NA 20.66 NA 27.93 NA 29.60 NA 24.60 NA
2022 28.69 30.36 25.36 30.99 NA 32.79 NA 27.39 NA 24.10 NA 25.51 NA 21.31 NA 28.69 NA 30.36 NA 25.36 NA
2023 27.76 29.43 24.43 29.98 NA 31.78 NA 26.38 NA 23.32 NA 24.72 NA 20.52 NA 27.76 NA 29.43 NA 24.43 NA
2024 26.33 28.00 23.00 28.44 NA 30.24 NA 24.84 NA 22.12 NA 23.52 NA 19.32 NA 26.33 NA 28.00 NA 23.00 NA
2025 28.04 29.71 24.71 30.28 NA 32.09 NA 26.69 NA 23.55 NA 24.96 NA 20.76 NA 28.04 NA 29.71 NA 24.71 NA
2026 50.53 52.20 47.20 54.58 NA 56.38 NA 50.98 NA 42.45 NA 43.85 NA 39.65 NA 50.53 NA 52.20 NA 47.20 NA
2027 52.41 54.08 49.08 56.60 NA 58.40 NA 53.00 NA 44.02 NA 45.43 NA 41.23 NA 52.41 NA 54.08 NA 49.08 NA
2028 54.84 56.51 51.51 59.23 NA 61.03 NA 55.63 NA 46.07 NA 47.47 NA 43.27 NA 54.84 NA 56.51 NA 51.51 NA
2029 57.21 58.88 53.88 61.79 NA 63.59 NA 58.19 NA 48.06 NA 49.46 NA 45.26 NA 57.21 NA 58.88 NA 53.88 NA
2030 58.65 60.32 55.32 63.34 NA 65.14 NA 59.74 NA 49.26 NA 50.67 NA 46.47 NA 58.65 NA 60.32 NA 55.32 NA
2031 60.36 62.03 57.03 65.18 NA 66.99 NA 61.59 NA 50.70 NA 52.10 NA 47.90 NA 60.36 NA 62.03 NA 57.03 NA
2032 62.68 64.35 59.35 67.70 NA 69.50 NA 64.10 NA 52.65 NA 54.06 NA 49.86 NA 62.68 NA 64.35 NA 59.35 NA
2033 64.79 66.46 61.46 69.97 NA 71.77 NA 66.37 NA 54.42 NA 55.82 NA 51.62 NA 64.79 NA 66.46 NA 61.46 NA
2034 66.46 68.13 63.13 71.77 NA 73.58 NA 68.18 NA 55.82 NA 57.23 NA 53.03 NA 66.46 NA 68.13 NA 63.13 NA
2035 67.99 69.66 64.66 73.43 NA 75.23 NA 69.83 NA 57.11 NA 58.51 NA 54.31 NA 67.99 NA 69.66 NA 64.66 NA
2036 69.45 71.12 66.12 75.00 NA 76.81 NA 71.41 NA 58.34 NA 59.74 NA 55.54 NA 69.45 NA 71.12 NA 66.12 NA
2037 70.48 72.15 67.15 76.12 NA 77.93 NA 72.53 NA 59.21 NA 60.61 NA 56.41 NA 70.48 NA 72.15 NA 67.15 NA
2038 72.68 74.35 69.35 78.49 NA 80.30 NA 74.90 NA 61.05 NA 62.45 NA 58.25 NA 72.68 NA 74.35 NA 69.35 NA
2039 73.86 75.53 70.53 79.77 NA 81.57 NA 76.17 NA 62.04 NA 63.44 NA 59.24 NA 73.86 NA 75.53 NA 70.53 NA
2040 75.35 77.02 72.02 81.38 NA 83.18 NA 77.78 NA 63.29 NA 64.69 NA 60.49 NA 75.35 NA 77.02 NA 72.02 NA
2041 76.79 78.46 73.46 82.93 NA 84.73 NA 79.33 NA 64.50 NA 65.90 NA 61.70 NA 76.79 NA 78.46 NA 73.46 NA
2042 78.19 79.86 74.86 84.44 NA 86.25 NA 80.85 NA 65.68 NA 67.08 NA 62.88 NA 78.19 NA 79.86 NA 74.86 NA
2043 79.80 81.47 76.47 86.19 NA 87.99 NA 82.59 NA 67.03 NA 68.44 NA 64.24 NA 79.80 NA 81.47 NA 76.47 NA
2044 81.70 83.37 78.37 88.24 NA 90.04 NA 84.64 NA 68.63 NA 70.03 NA 65.83 NA 81.70 NA 83.37 NA 78.37 NA
2045 83.83 85.50 80.50 90.54 NA 92.34 NA 86.94 NA 70.42 NA 71.82 NA 67.62 NA 83.83 NA 85.50 NA 80.50 NA
2046 85.74 87.41 82.41 92.60 NA 94.41 NA 89.01 NA 72.02 NA 73.43 NA 69.23 NA 85.74 NA 87.41 NA 82.41 NA
Heavy Load Hour
Rate Effective Date: June 1, 2021
AVISTA
AVOIDED COST RATES FOR NON-FUELED PROJECTS
Eligibility for these rates is limited to wind and solar projects 100 kW or smaller, and to non-wind and non-solar projects smaller than 10 aMW
AVISTA
NON-LEVELIZED RATES
Resource: Other
Non Levelized Price Season 1 Pricing (108%)Season 2 Pricing (84%)
Light Load Hour Flat Heavy Load Hour Light Load Hour
Non-Seasonalized Pricing
Heavy and
Light Load Hour Differential
$5.00 Flat Heavy Load Hour Light Load Hour
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Price less
wind integration adjustment
Flat
Attachment C to Order No. 35052 Case No. GNR-E-21-01
Page 11 of 11