PacifiCorp East

Balancing Authority Summary Information

PacifiCorp East is ranked #18 out of 65 balancing authorities in terms of total annual electricity generation.

Balancing Authority	PacifiCorp East
States	Colorado Idaho Montana Utah Wyoming
Last Update	Mar 2026
Annual Generation	60.9 TWh
Power Plants	216
Utilities	125
Ranked #18 out of 65 in terms of net annual generation
Ranked #10 out of 32 in terms of annual generation from coal
Power Plant Types	Coal \| 42.4% Wind \| 24.5% Natural Gas \| 17.5% Solar \| 11.9% Water \| 2% Other Fuel \| 1.8%

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Daily Net Generation for PacifiCorp East for the past 3 Years

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Plant Name	Utility	Location	Annual Generation	Plant Date	Last Update	Fuel Types
Rock Creek Wind	PacifiCorp	McFadden, WY	212 GWh	-	Dec 2025	Wind
Hornshadow Solar II, LLC	Hornshadow Solar II, LLC	Castle Dale, UT	228 GWh	-	Dec 2025	Solar
Hornshadow Solar, LLC	Hornshadow Solar, LLC	Castle Dale, UT	149 GWh	-	Dec 2025	Solar
Granite	PacifiCorp	Salt lake City, UT	5 GWh	Jul 1896	Dec 2024	Water
Upper Beaver	Beaver City Corporation	Beaver, UT	10 GWh	Jul 1907	Dec 2024	Water
Pioneer	PacifiCorp	Ogden, UT	18 GWh	May 1910	Dec 2024	Water
Snake Creek	Heber Light & Power Company	Midway, UT	6 GWh	Jun 1910	Dec 2024	Water
Big Fork	PacifiCorp	Big Fork, MT	21 GWh	Jun 1910	Dec 2024	Water
Stairs	PacifiCorp	Salt Lake City, UT	3 GWh	Jun 1912	Dec 2024	Water
Oneida	PacifiCorp	Riverdale, ID	42 GWh	Jun 1915	Dec 2024	Water
Ashton	PacifiCorp	Ashton, ID	33 GWh	Jun 1917	Dec 2024	Water
Brigham City	Brigham City Corporation	Brigham, UT	8 GWh	Dec 1920	Dec 2024	Water
Grace	PacifiCorp	Grace, ID	88 GWh	Jun 1923	Dec 2024	Water
Soda	PacifiCorp	Soda Springs, ID	19 GWh	Jun 1924	Dec 2024	Water
Sinclair Oil Refinery	HF Sinclair Parco Refining LLC	Sinclair, WY	4 GWh	Dec 1924	Dec 2025	Natural Gas
Cutler Hydro	PacifiCorp	Collinston, UT	87 GWh	Jun 1927	Dec 2024	Water
Spanish Fork	Strawberry Water Users Assn	Spanish Fork, UT	14 GWh	Sep 1937	Dec 2024	Water
Manti Upper	City of Manti - (UT)	Manti, UT	464 MWh	Dec 1938	Apr 2024	Water
Lower No 2	City of Idaho Falls - (ID)	Idaho Falls, ID	5 GWh	Jul 1940	Oct 2024	Water
Kennecott Power Plant	Kennecott Utah Copper	Magna, UT	152 GWh	Dec 1942	Dec 2025	Waste Heat : 77.5% Natural Gas : 22.5%
Felt	Fall River Rural Elec Coop Inc	Felt, ID	28 GWh	Aug 1946	Dec 2024	Water
Elk Basin Gasoline Plant	Contango Oil and Gas	Powell, WY	7 GWh	Dec 1947	Dec 2024	Other Gas
Gadsby	PacifiCorp	Salt Lake City, UT	230 GWh	Aug 1951	Dec 2025	Natural Gas
Genesis Alkali	Genesis Alkali, LLC	Green River, WY	259 GWh	May 1953	Dec 2024	Subbituminous Coal : 68.7% Natural Gas : 31.3%
Gateway	Weber Basin Water Conserv Dist	Mountain Green, UT	15 GWh	Jul 1958	Dec 2024	Water
Wanship	Weber Basin Water Conserv Dist	Wanship, UT	9 GWh	Jul 1958	Dec 2024	Water
Dave Johnston	PacifiCorp	Glen Rock, WY	4 TWh	Jan 1959	Dec 2025	Subbituminous Coal : 99.8%
Naughton	PacifiCorp	Kemmerer, WY	2 TWh	Apr 1963	Dec 2025	Subbituminous Coal : 73.9% Natural Gas : 26.1%
General Chemical	Tata Chemicals Partners	Green River, WY	215 GWh	Apr 1968	Dec 2025	Bituminous Coal : 75.8% Natural Gas : 24.2%
US Magnesium	US Magnesium	Rowley, UT	82 MWh	Dec 1971	Sep 2024	Natural Gas
Huntington	PacifiCorp	Huntington, UT	4 TWh	Jun 1974	Dec 2025	Bituminous Coal
Jim Bridger	PacifiCorp	Point of Rocks, WY	8 TWh	Oct 1974	Dec 2025	Subbituminous Coal : 64.2% Natural Gas : 35.7%
Hunter	PacifiCorp	Castle Dale, UT	7 TWh	May 1978	Dec 2025	Bituminous Coal : 99.8%
Wyodak	PacifiCorp	Gillette, WY	2 TWh	Aug 1978	Dec 2025	Subbituminous Coal : 99.9%
Lake Creek Dam	Heber Light & Power Company	Heber City, UT	3 GWh	Apr 1981	Dec 2024	Water
Lower No 1	City of Idaho Falls - (ID)	Idaho Falls, ID	39 GWh	Mar 1982	Dec 2024	Water
City Power Plant	City of Idaho Falls - (ID)	Idaho Falls, ID	40 GWh	Jun 1982	Dec 2024	Water
Upper Power Plant	City of Idaho Falls - (ID)	Idaho Falls, ID	45 GWh	Aug 1982	Dec 2024	Water
Little Cottonwood	City of Murray - (UT)	Sandy, UT	10 GWh	Mar 1983	Oct 2024	Water
Garland Canal Power Plant	Shoshone Irrigation District	Powell, WY	9 GWh	Aug 1983	Oct 2025	Water
Last Chance	PacifiCorp	Grace, ID	4 GWh	Jan 1984	Dec 2024	Water
Blundell	PacifiCorp	Milford, UT	272 GWh	Jun 1984	Dec 2024	Geothermal
Hydro Plant No 3	City of Ephraim - (UT)	east of Ephraim, UT	5 GWh	Aug 1984	Dec 2024	Water
Quail Creek Hydro Plant #1	Washington Cnty Wtr Consv Dist	Hurricane, UT	9 GWh	May 1985	Dec 2025	Water
Hydro II	City of Logan - (UT)	Logan, UT	19 GWh	Feb 1986	Dec 2024	Water
Birch Creek Power	Birch Power Co	Terreton, ID	13 GWh	Mar 1986	Dec 2024	Water
Bonanza	Deseret Generation & Tran Coop	Vernal, UT	3 TWh	Apr 1986	Dec 2025	Bituminous Coal : 98.8% Solar : 1.1%
Whitehead	City of Springville - (UT)	Springville, UT	11 GWh	Jul 1986	Dec 2024	Natural Gas : 99.2% Distillate Fuel Oil : 0.8%
Simplot Phosphates	Simplot Phosphates LLC	Rock Springs, WY	99 GWh	Jul 1986	Dec 2025	Other Fuel : 86.0% Natural Gas : 14.0%
Bountiful City	City of Bountiful	Bountiful, UT	28 GWh	Sep 1986	Dec 2024	Natural Gas
Snowbird Power Plant	Snowbird Corporation	Snowbird, UT	15 GWh	Nov 1986	Dec 2024	Natural Gas
Mink Creek Hydro	Mink Creek Hydro Entity	Preston, ID	11 GWh	Nov 1986	Dec 2024	Water
Echo Dam	City of Bountiful	Echo, UT	13 GWh	Feb 1987	Oct 2024	Water
St George Red Rock	City of St George	St George, UT	178 MWh	Apr 1987	Dec 2024	Distillate Fuel Oil
Dry Creek Project	Dry Creek LLC	Howe, ID	10 GWh	Nov 1987	Dec 2024	Water
Bartholomew	City of Springville - (UT)	Springville, UT	271 MWh	Mar 1988	Dec 2024	Water
Payson	Payson City Corporation	Payson, UT	4 MWh	May 1988	Dec 2024	Natural Gas : 95.9% Distillate Fuel Oil : 4.1%
Gem State	City of Idaho Falls - (ID)	Idaho Falls, ID	109 GWh	Oct 1988	Dec 2024	Water
Manti Lower	City of Manti - (UT)	Manti, UT	802 MWh	Dec 1988	Dec 2024	Water
Heber City	Heber Light & Power Company	Heber City, UT	28 GWh	Nov 1990	Dec 2024	Natural Gas
Pine View Dam	City of Bountiful	Ogden, UT	6 GWh	May 1991	Oct 2024	Water
Sunnyside Cogen Associates	Sunnyside Cogeneration Assoc	Sunnyside, UT	324 GWh	Jan 1993	Aug 2025	Waste/Other Coal : 99.3% Distillate Fuel Oil : 0.7%
Marsh Valley Development	Marsh Valley Development Inc	McCammon, ID	7 GWh	Mar 1993	Apr 2024	Water
Unit 4	City of Mt Pleasant - (UT)	Mt Pleasent, UT	2 GWh	May 1993	Oct 2024	Water
Causey	Weber Basin Water Conserv Dist	South Fork, UT	5 GWh	Dec 1997	Dec 2024	Water
Bloomington Power Plant	City of St George	Bloomington, UT	11 MWh	Feb 1999	Dec 2024	Distillate Fuel Oil
Foote Creek I	PacifiCorp	McFadden, WY	216 GWh	Mar 1999	Dec 2023	Wind
Foote Creek III	PacifiCorp	McFadden, WY	15 GWh	May 1999	Dec 2023	Wind
Hurricane City Power	Hurricane City Power	Hurricane, UT	7 GWh	Nov 1999	Dec 2024	Natural Gas : 99.2% Distillate Fuel Oil : 0.8%
Foote Creek IV	PacifiCorp	Rock River, WY	12 GWh	Jul 2000	Dec 2023	Wind
Murray Turbine	City of Murray - (UT)	Murray, UT	37 GWh	May 2001	Dec 2024	Natural Gas
West Valley Generation Project	Utah Municipal Power Agency	West Valley City, UT	396 GWh	Sep 2001	Dec 2025	Natural Gas
Logan City	City of Logan - (UT)	Logan, UT	5 GWh	Jun 2002	Dec 2024	Natural Gas
TransAlta Wyoming Wind	TransAlta Wyoming Wind LLC	Evanston, WY	319 GWh	Nov 2003	Dec 2024	Wind
Nebo Power Station	Utah Associated Mun Power Sys	Payson, UT	769 GWh	May 2004	Dec 2025	Natural Gas
Tesoro SLC Cogeneration Plant	Tesoro Refng Marketing Co Mntn Region	Salt Lake City, UT	199 GWh	Jun 2004	Dec 2025	Natural Gas : 98.9% Other Gas : 1.1%
Central Energy Plant USU	Utah State University	Logan, UT	23 GWh	Jul 2004	Dec 2025	Natural Gas
Hill AFB LFG Facility, Bldg #737	Ameresco Federal Solutions	Hill AFB, UT	8 GWh	Dec 2004	Dec 2024	Landfill Gas
Shute Creek Facility	Exxon Mobil Production Co	Kemmerer, WY	871 GWh	Apr 2005	Dec 2025	Natural Gas : 59.0% Other Gas : 41.0%
Currant Creek	PacifiCorp	Mona, UT	3 TWh	May 2005	Dec 2025	Natural Gas
Wolverine Creek	Invenergy Services LLC	Idaho Falls, ID	164 GWh	Jan 2006	Dec 2024	Wind
Millcreek Power Generation	City of St George	St. George, UT	149 GWh	Mar 2006	Nov 2024	Natural Gas
Salt Lake Energy Systems	NextEra Renewable Fuels, LLC	Salt Lake City, UT	24 GWh	May 2006	Dec 2024	Landfill Gas
Washington City Electric Generation	City of Washington - (UT)	Washington, UT	6 GWh	Apr 2007	Dec 2024	Natural Gas
Lake Side Power Plant	PacifiCorp	Vineyard, UT	6 TWh	Aug 2007	Dec 2025	Natural Gas
Spanish Fork Wind Park 2 LLC	Spanish Fork Wind Park 2, LLC	Spanish Fork, UT	42 GWh	Jun 2008	Dec 2025	Wind
Mountain Wind Power LLC	Mountain Wind Power LLC	Fort Bridger, WY	151 GWh	Jun 2008	Dec 2025	Wind
Jordanelle Dam Hydroelectric Project	Central Utah Water Conservancy District	Heber, UT	51 GWh	Jun 2008	Dec 2024	Water
HTW Plant 303 COGEN	The University of Utah	Salt Lake City, UT	47 GWh	Jul 2008	Dec 2025	Natural Gas
Mountain Wind Power II LLC	Mountain Wind Power II LLC	Fort Bridger, WY	188 GWh	Aug 2008	Dec 2025	Wind
Glenrock	PacifiCorp	Glenrock, WY	401 GWh	Nov 2008	Dec 2024	Wind
Seven Mile Hill	PacifiCorp	Medicine Bow, WY	400 GWh	Nov 2008	Dec 2024	Wind
Rolling Hills	PacifiCorp	Glenrock, WY	245 GWh	Dec 2008	Dec 2024	Wind
Trans-Jordan Generating Station	Energy Developments, Inc d/b/a EDL	South Jordan, UT	37 GWh	Feb 2009	Dec 2024	Landfill Gas
High Plains	PacifiCorp	Rock River, WY	274 GWh	Aug 2009	Dec 2024	Wind
McFadden Ridge	PacifiCorp	Rock River, WY	84 GWh	Sep 2009	Dec 2024	Wind
Campbell Hill Windpower	Duke Energy Renewables Services	Glenrock, WY	254 GWh	Nov 2009	Dec 2025	Wind
Casper Wind Farm	Chevron USA	Evansville, WY	6 GWh	Nov 2009	Dec 2023	Wind
Goshen Phase II	AE Power Services LLC	Idaho Falls, ID	369 GWh	Aug 2010	Dec 2024	Wind
Dunlap	PacifiCorp	Medicine Bow, WY	366 GWh	Sep 2010	Dec 2024	Wind

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#26	Arizona Public Service Company	24.1 TWh	92
#35	Idaho Power Company	15.0 TWh	168
#22	Nevada Power Company	37.3 TWh	139
#32	NorthWestern Corporation	17.8 TWh	69
#21	Public Service Company of Colorado	46.1 TWh	210
#34	Public Service Company of New Mexico	15.4 TWh	116
#53	PUD No. 1 of Douglas County	4.0 TWh	3
#39	Western Area Power Administration - Desert Southwest Region	10.0 TWh	33
#24	Western Area Power Administration - Rocky Mountain Region	34.1 TWh	192
#62	Western Area Power Administration - Upper Great Plains West	385.1 GWh	24

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#12	New York Independent System Operator	134.0 TWh	1,211
#13	Duke Energy Carolinas	112.4 TWh	565
#15	ISO New England	110.5 TWh	1,577
#16	Bonneville Power Administration	85.9 TWh	163
#17	Duke Energy Progress East	64.5 TWh	559
#18	PacifiCorp East	60.9 TWh	216
#19	Salt River Project Agricultural Improvement and Power District	60.3 TWh	48
#20	Duke Energy Florida, Inc.	47.5 TWh	95
#21	Public Service Company of Colorado	46.1 TWh	210
#22	Nevada Power Company	37.3 TWh	139