Seminole (OK)
Natural gas power plant in Seminole County, Oklahoma. 1,701 MW of nameplate capacity across 3 generators, operated by Oklahoma Gas & Electric Co.
Also known as Seminole Power Plant · EIA plant 2956
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Key facts
- Capacity
- 1,701 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- March 1971First generator online
- Operator
- Oklahoma Gas & Electric CoEIA operator ID 14063
- Grid
- SPPBalancing authority SWPP
- Price nodes
- 3 SPP nodesResource nodes with prices
- Location
- Seminole County, OK34.9665, −96.7258
- EIA plant ID
- 2956EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Seminole (OK) produces
Free · EIA-923Net generation, 2025
1.99 TWh
1,991,596 MWh, final. 11 of 12 months reported
Capacity factor, 2025
14.6%
2024: 15.9%
January to July 2026
1.47 TWh
Provisional
Range, 2015 to 2024
1.0–2.7
TWh a year. Low 2017, high 2023
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 3,666,311 | Not reported | 12 of 12 |
| 2001 | 3,781,413 | Not reported | 12 of 12 |
| 2002 | 3,398,357 | Not reported | 12 of 12 |
| 2003 | 2,682,136 | Not reported | 11 of 12 |
| 2004 | 3,554,689 | Not reported | 12 of 12 |
| 2005 | 3,080,672 | Not reported | 12 of 12 |
| 2006 | 3,098,755 | Not reported | 12 of 12 |
| 2007 | 3,531,117 | Not reported | 12 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | 2,888,669 | Not reported | 12 of 12 |
| 2010 | 2,733,721 | 18.1% | 12 of 12 |
| 2011 | 3,378,498 | 22.4% | 12 of 12 |
| 2012 | 3,099,334 | 20.5% | 12 of 12 |
| 2013 | 3,107,524 | 20.6% | 12 of 12 |
| 2014 | 470,593 | 4.6% | 8 of 12 |
| 2015 | 1,569,654 | Not reported | 12 of 12 |
| 2016 | 2,047,827 | 13.7% | 12 of 12 |
| 2017 | 976,742 | 6.6% | 12 of 12 |
| 2018 | 1,355,870 | 9.1% | 12 of 12 |
| 2019 | 1,944,060 | 13.0% | 12 of 12 |
| 2020 | 2,560,672 | 17.1% | 12 of 12 |
| 2021 | 1,359,814 | 9.1% | 12 of 12 |
| 2022 | 1,490,859 | 10.0% | 12 of 12 |
| 2023 | 2,660,627 | 17.9% | 12 of 12 |
| 2024 | 2,375,311 | 15.9% | 12 of 12 |
| 2025 | 1,991,596 | 14.6% | 11 of 12 |
| 2026 (provisional, partial year) | 1,473,714 | 17.0% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free account · SPPEmissions
Free · EPA CAMPDCO₂, 2025
1.35M
US short tons. 2024: 1.52M
SO₂, 2025
7
US short tons
NOx, 2025
1,192
US short tons
3 of 3 EPA units reported CO₂ in 2025 (1, 2, 3), matched to EIA plant 2956 through the EPA–EIA crosswalk.
Water use
Free · EIA-923 cooling, USGSWithdrawal, 2024
176,633
million gallons
Consumption, 2024
521
million gallons
Source
South Canadian River/ Wells
Surface, Fresh. Recirculating with cooling pond
Watershed stress
Moderate · 0.519
USGS SUI, HUC12 Lake Konawa-Canadian River
12 of 12 cooling months report withdrawal. SUI of the source river HUC12 within 3 km. Cooling-pond plants report water circulated through the pond as withdrawal, so withdrawal is far above consumption. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Natural Gas Steam Turbine | 567.0 | March 1971 |
| 2 | Natural Gas Steam Turbine | 567.0 | February 1973 |
| 3 | Natural Gas Steam Turbine | 567.0 | June 1975 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Oklahoma Gas & Electric Co as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Power plants near Seminole (OK)
More plants operated by Oklahoma Gas & Electric Co
Questions about Seminole (OK)
How much power does Seminole (OK) produce?
Seminole (OK) reported 1,991,596 MWh (1.99 TWh) of net generation in 2025, a 14.6% capacity factor on 1,701 MW of nameplate capacity. From January to July 2026 it reported 1.47 TWh, which is provisional. 11 of 12 months were reported for 2025.
Where is Seminole (OK)?
Seminole (OK) is in Seminole County, Oklahoma, at 34.9665, −96.7258. It is in the Southwest Power Pool balancing area (SWPP).
Who operates Seminole (OK)?
EIA-860M for August 2026 lists Oklahoma Gas & Electric Co as the operator (EIA operator ID 14063). The operator is not always the owner.
When did Seminole (OK) start operating?
Its first generator began operating in March 1971, according to EIA-860M.
Does InfraMap have power prices for Seminole (OK)?
Yes. InfraMap has SPP day-ahead and real-time prices at 3 price nodes linked to Seminole (OK), with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- EPA CAMPD annual emissions through the EPA–EIA crosswalk, 1995 to 2025
- SPP day-ahead and real-time prices; node and hub assignments as of 2026-10-05
- EIA-923 cooling water 2024 and the USGS surface water supply and use index, Water years 2010-2020 (Oct 2009 to Sep 2020), mean of monthly values
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page