Seminole (FL)
Natural gas and coal power plant in Putnam County, Florida. 1,897.8 MW of nameplate capacity across 4 generators, operated by Seminole Electric Cooperative Inc.
Also known as Seminole Generating Station · EIA plant 136
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Key facts
- Capacity
- 1,897.8 MWNatural gas 1,183.2 · Coal 714.6
- Generators
- 4 operatingEIA-860M, August 2026
- Operating since
- December 1984First generator online
- Operator
- Seminole Electric Cooperative IncEIA operator ID 21554
- Grid
- SECBalancing authority SEC
- Price nodes
- None linkedNo verified ISO node
- Location
- Putnam County, FL29.7331, −81.6328
- EIA plant ID
- 136EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Seminole (FL) produces
Free · EIA-923Net generation, 2025
10.2 TWh
10,206,174 MWh, final
Capacity factor, 2025
61.4%
2024: Not reported
January to July 2026
5.39 TWh
Provisional
Range, 2015 to 2025
6.6–10.5
TWh a year. Low 2021, high 2024
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 9,109,561 | Not reported | 12 of 12 |
| 2001 | 8,994,868 | Not reported | 12 of 12 |
| 2002 | 9,241,176 | Not reported | 12 of 12 |
| 2003 | 9,569,426 | Not reported | 12 of 12 |
| 2004 | 9,032,888 | Not reported | 12 of 12 |
| 2005 | 9,747,230 | Not reported | 12 of 12 |
| 2006 | 9,495,696 | Not reported | 12 of 12 |
| 2007 | 9,443,651 | Not reported | 12 of 12 |
| 2008 | 8,946,478 | Not reported | 12 of 12 |
| 2009 | 7,097,411 | Not reported | 12 of 12 |
| 2010 | 8,929,519 | 71.3% | 12 of 12 |
| 2011 | 8,457,157 | 67.6% | 12 of 12 |
| 2012 | 7,593,188 | Not reported | 12 of 12 |
| 2013 | 7,761,403 | 60.2% | 12 of 12 |
| 2014 | 3,478,406 | 65.2% | 5 of 12 |
| 2015 | 7,744,214 | 60.1% | 12 of 12 |
| 2016 | 7,575,337 | 58.6% | 12 of 12 |
| 2017 | 7,691,668 | 59.7% | 12 of 12 |
| 2018 | 7,708,433 | 59.8% | 12 of 12 |
| 2019 | 7,054,142 | 54.7% | 12 of 12 |
| 2020 | 6,649,299 | Not reported | 12 of 12 |
| 2021 | 6,550,658 | 52.3% | 12 of 12 |
| 2022 | Not reported | Not reported | 0 of 12 |
| 2023 | 9,880,840 | Not reported | 12 of 12 |
| 2024 | 10,494,608 | Not reported | 12 of 12 |
| 2025 | 10,206,174 | 61.4% | 12 of 12 |
| 2026 (provisional, partial year) | 5,385,346 | 55.8% | 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 accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDCO₂, 2025
5.76M
US short tons. 2024: Not reported
SO₂, 2025
2,210
US short tons
NOx, 2025
1,191
US short tons
CO₂ per MWh, calculated
0.56 t
About 1,129 lb per MWh
3 of 3 EPA units reported CO₂ in 2025 (1, 2, CT1, CT2), matched to EIA plant 136 through the EPA–EIA crosswalk. The per-MWh rate is EPA CO₂ divided by EIA-923 net generation. The two reporting boundaries can differ.
Water use
Free · EIA-923 cooling, USGSWithdrawal, 2024
3,568
million gallons
Consumption, 2024
2,272
million gallons
Source
St. Johns River; St Johns River
Surface, Fresh. Induced-draft tower
Watershed stress
Very low/none · 0.161
USGS SUI, HUC12 Cedar Creek
24 of 24 cooling months report withdrawal. SUI of the source river HUC12 within 3 km. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 2 | Conventional Steam Coal | 714.6 | December 1984 |
| CT1 | Natural Gas Fired Combined Cycle | 384.2 | April 2023 |
| CT2 | Natural Gas Fired Combined Cycle | 384.2 | April 2023 |
| ST | Natural Gas Fired Combined Cycle | 414.8 | April 2023 |
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 Seminole Electric Cooperative Inc 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 (FL)
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Questions about Seminole (FL)
How much power does Seminole (FL) produce?
Seminole (FL) reported 10,206,174 MWh (10.2 TWh) of net generation in 2025, a 61.4% capacity factor on 1,897.8 MW of nameplate capacity. From January to July 2026 it reported 5.39 TWh, which is provisional.
Where is Seminole (FL)?
Seminole (FL) is in Putnam County, Florida, at 29.7331, −81.6328. It is in the Seminole Electric Cooperative balancing area (SEC).
Who operates Seminole (FL)?
EIA-860M for August 2026 lists Seminole Electric Cooperative Inc as the operator (EIA operator ID 21554). The operator is not always the owner.
Is Seminole (FL) a natural gas or a coal plant?
Both. Natural gas capacity totals 1,183.2 MW and coal capacity totals 714.6 MW.
When did Seminole (FL) start operating?
Its first generator began operating in December 1984, according to EIA-860M.
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
- 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