Power plants operated by PacifiCorp

PacifiCorp operates 59 power plants in the 2025 EIA-860 data, with 13.6 GW of nameplate capacity, the tenth-largest fleet among the 5,826 operators on file. They are spread over seven states: Oregon, Wyoming, Utah and Washington and others. Coal is 38% of the capacity; the largest site is Jim Bridger. Its oldest working unit dates from 1896, at Granite. Units added from 2020 to 2025 total 1,919 MW.

Coal5,209 MW38%
Natural gas4,330 MW32%
Wind3,081 MW23%
Hydroelectric968 MW7.1%
Geothermal38.1 MW0.3%
Solar2 MW0.0%

Capacity by decade it came online

CoalNatural gasHydroelectricWindSolarGeothermal

Above the line: capacity operating in 2025. Below: capacity retired at these plants.

Plants

Plant	State	Runs on	Capacity	First unit
Jim Bridger	Wyoming	Natural gas	2,326 MW	1974
Hunter	Utah	Coal	1,472 MW	1978
Lake Side Power Plant	Utah	Natural gas	1,246 MW	2007
Huntington	Utah	Coal	1,016 MW	1974
Dave Johnston	Wyoming	Coal	817 MW	1959
Naughton	Wyoming	Coal	707 MW	1963
Chehalis Generating Facility	Washington	Natural gas	593 MW	2003
Rock Creek Wind	Wyoming	Wind	590 MW	2025
Currant Creek	Utah	Natural gas	567 MW	2005
TB Flats	Wyoming	Wind	503 MW	2021
Gadsby	Utah	Natural gas	433 MW	1951
Wyodak	Wyoming	Coal	362 MW	1978
Ekola Flats	Wyoming	Wind	251 MW	2020
Swift 1	Washington	Hydroelectric	240 MW	1958
Pryor Mountain Wind	Montana	Wind	240 MW	2021
Marengo Wind Plant	Washington	Wind	234 MW	2007
Cedar Springs II	Wyoming	Wind	200 MW	2020
Glenrock	Wyoming	Wind	166 MW	2008
Seven Mile Hill	Wyoming	Wind	146 MW	2008
Merwin	Washington	Hydroelectric	136 MW	1931
Foote Creek Rim	Wyoming	Wind	135 MW	2024
Yale	Washington	Hydroelectric	134 MW	1953
Dunlap	Wyoming	Wind	130 MW	2010
High Plains	Wyoming	Wind	122 MW	2009
Rolling Hills	Wyoming	Wind	116 MW	2009
Leaning Juniper	Oregon	Wind	110 MW	2006
Goodnoe Hills	Washington	Wind	103 MW	2008
Swift 2	Washington	Hydroelectric	72 MW	1958
Lemolo 2	Oregon	Hydroelectric	43.7 MW	1956
Toketee Falls	Oregon	Hydroelectric	42.6 MW	1949
Blundell	Utah	Geothermal	38.1 MW	1984
McFadden Ridge	Wyoming	Wind	35.2 MW	2009
Grace	Idaho	Hydroelectric	33 MW	1923
Lemolo 1	Oregon	Hydroelectric	32 MW	1955
Prospect 2	Oregon	Hydroelectric	32 MW	1928
Cutler Hydro	Utah	Hydroelectric	30 MW	1927
Oneida	Idaho	Hydroelectric	30 MW	1915
Clearwater 2	Oregon	Hydroelectric	26 MW	1953
Slide Creek	Oregon	Hydroelectric	18 MW	1951
Clearwater 1	Oregon	Hydroelectric	15 MW	1953
Soda	Idaho	Hydroelectric	14.6 MW	1924
Fish Creek	Oregon	Hydroelectric	11 MW	1952
Soda Springs	Oregon	Hydroelectric	11 MW	1952
Prospect 3	Oregon	Hydroelectric	7.2 MW	1932
Ashton	Idaho	Hydroelectric	6.7 MW	1917
Pioneer	Utah	Hydroelectric	5 MW	1910
Big Fork	Montana	Hydroelectric	4.1 MW	1910
Prospect 1	Oregon	Hydroelectric	3.8 MW	1912
Weber	Utah	Hydroelectric	3.8 MW	1911
East Side	Oregon	Hydroelectric	3.2 MW	1924
Eagle Point	Oregon	Hydroelectric	2.8 MW	1957
Fall Creek	California	Hydroelectric	2.1 MW	1903
Black Cap Solar Plant	Oregon	Solar	2 MW	2012
Granite	Utah	Hydroelectric	2 MW	1896
Last Chance	Idaho	Hydroelectric	1.7 MW	1984
Bend	Oregon	Hydroelectric	1.1 MW	1913
Wallowa Falls	Oregon	Hydroelectric	1.1 MW	1921
Prospect 4	Oregon	Hydroelectric	1 MW	1944
Stairs	Utah	Hydroelectric	1 MW	1912