Seminole (FL)
Putnam County, Florida · EIA plant ID 136 · Operator: Seminole Electric Cooperative Inc
×715 MW coal retired since 2020 (latest Jan 2024)
Nameplate1,898MWSummer 1,735 MW
Generators4in service
Net generation9,829GWh12 mo to Aug 2026
Capacity factor65%gas/coal/oil units, summer MW
Heat rate7,842Btu/kWhfossil units, electric fuel, HHV
First online1984Runs as baseload
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2001 | 8,994.9 | — | — |
| 2002 | 9,241.2 | — | — |
| 2003 | 9,569.4 | 83.0% | 10,244 |
| 2004 | 9,032.9 | 78.1% | 10,153 |
| 2005 | 9,747.2 | 84.5% | 10,016 |
| 2006 | 9,495.7 | 82.4% | 9,819 |
| 2007 | 9,443.7 | 81.9% | 9,995 |
| 2008 | 8,946.5 | 77.4% | 9,983 |
| 2009 | 7,097.4 | 61.8% | 9,985 |
| 2010 | 8,929.5 | 77.8% | 9,863 |
| 2011 | 8,457.2 | 73.7% | 9,982 |
| 2012 | 7,593.2 | 63.4% | 10,115 |
| 2013 | 7,761.4 | 67.7% | 10,077 |
| 2014 | 8,210.9 | 71.6% | 9,827 |
| 2015 | 7,744.2 | 67.5% | 9,888 |
| 2016 | 7,575.3 | 65.9% | 9,747 |
| 2017 | 7,691.7 | 67.1% | 9,933 |
| 2018 | 7,708.4 | 67.2% | 10,018 |
| 2019 | 7,054.1 | 61.5% | 10,008 |
| 2020 | 6,649.3 | 60.1% | 10,067 |
| 2021 | 6,550.7 | 59.4% | 10,166 |
| 2022 | 6,490.3 | 61.4% | 10,268 |
| 2023 | 9,880.8 | 55.3% | 8,058 |
| 2024 | 10,494.6 | 68.9% | 7,313 |
| 2025 | 10,206.2 | 67.2% | 7,533 |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| 2 | Conventional Steam Coal | ST | 714.6 | 634 | Dec 1984 | Operating | — | coming soon |
| CT1 | Natural Gas Fired Combined Cycle | CT | 384.2 | 352.8 | Apr 2023 | Operating | — | coming soon |
| CT2 | Natural Gas Fired Combined Cycle | CT | 384.2 | 354.8 | Apr 2023 | Operating | — | coming soon |
| ST | Natural Gas Fired Combined Cycle | CA | 414.8 | 393.5 | Apr 2023 | Operating | — | coming soon |
| 1 | Conventional Steam Coal | ST | 714.6 | 626 | Feb 1984 | Retired Jan 2024 | — | coming soon |
Owner / operator
Operator: Seminole Electric Cooperative Inc. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Seminole Electric Cooperative Inc | 100.0% | 1,898 MW |
Nearby plants
Within 80 km.
| Rice Creek | 75 MW | 6.4 km |
| Georgia-Pacific Palatka Operations | 80 MW | 7.4 km |
| FPL Etonia Creek | 75 MW | 14.5 km |
| Anhinga Solar Energy Center | 75 MW | 17.1 km |
| Tupelo Solar | 75 MW | 17.6 km |
| Magnolia Springs Solar Center | 75 MW | 19.3 km |