20210527Bulkley Exhibit 10.pdf

Case No. PAC-E-21-07
Exhibit No. l0
Witness: Ann E. Bulkley
BEFORE TI{E IDAHO PUBLIC UTILITIES COMMISSION
ROCKY MOI.]NTAIN POWER
Exhibit Accompanying Direct Testimony of Ann E. Bulkley
Surnmary of Testimony
May 2O2l
Rocky Mountain Power
Exhibit No.10 Page 1 of 1
Case No. PAC-E-2147
Witness: Ann E. Bulkley
SUMMARY OF ROE ANALYSES RESULTS
ConsfantGrcttilr DCF
Mean Low Mean Mean High
30-Day Average 8.66%9.85%10.73o/o
90-Day Average 8.69o/o 9.88o/o 10.77o/o
1 80-Day Average 8.74o/o 9.93%10.82o/o
Constant GroMh Average 8.7Oo/o 9.89o/o 10.77o/o
CAPT
Current 30day
Average Treasury
Bond Yield
Near-Term Blue
Chip Forecast
Yield
Long-Term Blue
Chip Forecast
Yield
Value Line Beta 12.41o/o 12.44o/o 12.47o/o
Bloomberg Beta 11.48o/o 11.53o/o 11.57Yo
Long-term Avg. Beta 10.58o/o 10.66%10.72o/o
ECAPIT
Current 30day
Average Treasury
Bond Veld
Near-Term Blue
Chip Forecast
Yeld
Long-Term Blue
Chip Forecast
Yield
Value Line Beta 12.73o/o 12.760/o 12.78o/o
Bloomberg Beta 12.O3o/o 12.08o/o 12.110/o
Long-term Avs. Beta 11.360/o 11.42o/o 11.47Yo
Risk Prcmlum
Current 30day
Average Treasury
Bond Yield
Near-Term Blue
Chip Forecast
Yield
Long-Tenn Blue
Chip Forecast
Yield
Risk Premium Results 9.670/o 9.80o/o 9.88o/o
Frrper;ted Eamings
Mean Median
Exoected Earninos Results 10.987o 't0.81Yo