Exhibit 302.xls

Sheet3
Sheet2
Sheet1
Company
Residential
Irrigation
DOE/INEL
JR SIMPLOT
MICRON
Idaho Jurisdictal average
General Service (7)
General Service Primary (9-P)
General Service Secondary (9-S)
Area Lighting (15)
Lg. Power Primary (19-P)
Unmetered General Service (40)
Municipal St. Lighting (41)
Trafic Control (42)
Base
as filed
A
B
C
D
E
Unweighted
Normalized
Class Rate of Returns Based Upon
Different Assumptions
Distribution
Changes
Exhibit 302
0.05
0.05
0.05
0.05
0.05
0.06
0.05
0.05
0.04
0.04
0.05
0.05
0.04
0.04
0.04
0.04
0.04
0.04
0.04
0.04
0.07
0.07
0.06
0.06
0.06
0.70
0.78
0.74
0.75
0.74
0.07
0.07
0.07
0.06
0.06
-5.77E-03
-4.15E-03
0.02
0.04
0.05
0.15
0.16
0.16
0.16
0.15
0.14
0.14
0.14
0.14
0.14
0.07
0.07
0.07
0.06
0.05
0.06
0.07
0.05
0.05
0.05
0.09
0.08
0.08
0.08
0.08
0.08
0.07
0.08
0.08
0.07