Seminoe

n/a, Sinclair, WY 82334

Plant Summary Information

Seminoe is ranked #47 out of 69 power plants in Wyoming in terms of total annual net electricity generation.

Seminoe is comprised of 3 generators and generated 10.9 GWh during the 3-month period between September 2025 to December 2025.

Plant Name	Seminoe
Utility Name	U S Bureau of Reclamation
Location	Carbon County, WY
Initial Operation Date	August 1939
Last Update	Dec 2025
Annual Generation	84.5 GWh
Annual Consumption	302.7 k MMBtu
Ranked #3,692 out of 13,081 Power Plants Nationwide
Ranked #364 out of 1,311 Water Power Plants Nationwide
Ranked #47 out of 69 Wyoming Power Plants
Ranked #4 out of 15 Wyoming Water Power Plants
Fuel Types	Water

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Summary Information
Plant Name	Seminoe (4182)
Plant Address	, Sinclair, WY 82334
Utility	U S Bureau of Reclamation (2518)
Latitude, Longitude	42.15613, -106.90848
Generation Dates on File	Jan 2001 to Dec 2025
Initial Operation Date	August 1939
Annual Generation	84.5 GWh
Fuel Types	Water

Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration Status	No
FERC Small Power Producer Status	No
FERC Exempt Wholesale Generator Status	No

Regulatory Information
Regulatory Status	Regulated
NERC Region	WECC
Balancing Authority	Western Area Power Administration UGP West (WAUW)
NAICS Code	Utilities (22)
Sector	Electric Utility (1)
Water Source	North Platte Medicine Bow Riv
Ash Impoundment	No
Transmission / Distribution Owner	WAPA-- Western Area Power Administration (27000) WY
Grid Voltage	115.00 kV
Energy Storage	No

* Data obtained from the 2025 EIA 860 Report

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
Nameplate Capacity	17.2 MW
Nameplate Power Factor	1
Summer Capacity	17.2 MW
Winter Capacity	17.2 MW
Minimum Load	5.2 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	August 1939
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Time From Cold Shutdown To Full Load	10M

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
Nameplate Capacity	17.2 MW
Nameplate Power Factor	1
Summer Capacity	17.2 MW
Winter Capacity	17.2 MW
Minimum Load	5.2 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	August 1939
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Time From Cold Shutdown To Full Load	10M

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
Nameplate Capacity	17.2 MW
Nameplate Power Factor	1
Summer Capacity	17.2 MW
Winter Capacity	17.2 MW
Minimum Load	5.2 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	August 1939
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Time From Cold Shutdown To Full Load	10M

Owner Name	Address	Generator	Ownership
*We couldn't locate any owners for this plant*

Power plants with a similar annual net generation from Water.

Rank	Plant Name	Plant Location	Annual Generation
#354	Goat Rock	Smiths, AL	88.1 GWh
#355	Smith (NH)	Berlin, NH	87.5 GWh
#356	Monroe Street	Spokane, WA	87.5 GWh
#357	Smith Falls Hydro Project	Bonners Ferry, ID	87.2 GWh
#358	Degray	Arkadelphia, AR	86.8 GWh
#359	Oxford Dam	Conover, NC	86.5 GWh
#360	Allegheny Hydro No 9	Cowansville, PA	86.4 GWh
#361	Anderson Ranch	Mountain Home, ID	85.8 GWh
#362	Grahamsville	Grahamsville, NY	85.1 GWh
#363	Sullivan	West Linn, OR	84.6 GWh
#365	Rainbow Falls Hydro	Parishville, NY	84.1 GWh
#366	Castle Rock	Adams, WI	83.3 GWh
#367	Grace	Grace, ID	82.7 GWh
#368	Sand Bar Power Plant	Stanislaus Ntl. Fores, CA	82.5 GWh
#369	Lookout Shoals	Statesville, NC	82.5 GWh
#370	Lake Dorothy Hydroelectric Project	Juneau, AK	81.7 GWh
#371	Kaw Hydro	Ponca City, OK	81.2 GWh
#372	Jeffrey	Brady, NE	81.0 GWh
#373	Holcombe	Holcombe, WI	81.0 GWh
#374	Blue Lake Hydro	Sitka, AK	80.9 GWh

Below are closest 20 power plants surrounding Seminoe.

Plant Name	Plant Location	Annual Generation	Distance
Alcova	Alcova, WY	107.2 GWh	28.8 mi
Anticline Wind	Casper, WY	411.3 GWh	74.1 mi
Big Sand Draw Plant	Riverton, WY	39.0 GWh	76.4 mi
Boswell Wind	Rock River, WY	1.2 TWh	55.8 mi
Campbell Hill Windpower	Glenrock, WY	261.4 GWh	75.2 mi
Dave Johnston	Glen Rock, WY	3.2 TWh	74.4 mi
Dunlap	Medicine Bow, WY	416.7 GWh	39.1 mi
Ekola Flats	Medicine Bow, WY	770.4 GWh	32.2 mi
Foote Creek Rim	McFadden, WY	643.8 GWh	51.5 mi
Fremont Canyon	Alcova, WY	233.5 GWh	22.9 mi
Glenrock	Glenrock, WY	469.2 GWh	80.8 mi
High Plains	Rock River, WY	341.2 GWh	56.9 mi
Kortes	Sinclair, WY	105.7 GWh	1.9 mi
McFadden Ridge	Rock River, WY	104.8 GWh	55.8 mi
Pioneer Wind Park, LLC	Glenrock, WY	252.6 GWh	66.2 mi
Rock Creek Wind	McFadden, WY	519.5 GWh	58.3 mi
Seven Mile Hill	Hanna, WY	458.3 GWh	31.8 mi
Sinclair Oil Refinery	Sinclair, WY	5.9 GWh	28 mi
TB Flats	Medicine Bow, WY	1.4 TWh	34.6 mi
Top of the World Windpower Project	Glenrock, WY	517.3 GWh	78 mi