Seneca City of
Oconee County, South Carolina · EIA plant ID 56545 · Operator: City of Seneca - (SC)
Nameplate10MWSummer 9 MW
Generators5in service
Net generation1GWh12 mo to Dec 2025
Capacity factor1%gas/coal/oil units, summer MW
Heat rate16,455Btu/kWhfossil units, electric fuel, HHV
First online2004Runs as rarely runs
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) |
|---|---|---|---|
| 2006 | 1 | 1.2% | 9,455 |
| 2007 | 1.2 | 1.6% | 9,445 |
| 2008 | 0.8 | 1.0% | 9,146 |
| 2009 | 1 | 1.3% | 9,471 |
| 2010 | 1 | 1.3% | 9,443 |
| 2011 | 0.6 | 0.8% | 9,522 |
| 2012 | 0.4 | 0.5% | 9,524 |
| 2013 | 0.3 | 0.4% | 10,196 |
| 2014 | 0.3 | 0.4% | 8,335 |
| 2015 | 0.6 | 0.8% | 8,512 |
| 2016 | 1.9 | 2.4% | 9,806 |
| 2017 | 1.9 | 2.4% | 9,551 |
| 2018 | 1.8 | 2.3% | 10,043 |
| 2019 | 1.9 | 2.4% | 9,429 |
| 2020 | 1.8 | 2.3% | 9,536 |
| 2021 | 1.6 | 2.0% | 9,508 |
| 2022 | 1.3 | 1.7% | 9,191 |
| 2023 | 1 | 1.3% | 9,130 |
| 2024 | 0.5 | 0.6% | 9,935 |
| 2025 | 0.7 | 0.9% | 16,455 |
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 |
|---|---|---|---|---|---|---|---|---|
| PPG1 | Petroleum Liquids | IC | 2 | 1.8 | Dec 2004 | Operating | — | coming soon |
| PPG2 | Petroleum Liquids | IC | 2 | 1.8 | Dec 2004 | Operating | — | coming soon |
| PPG3 | Petroleum Liquids | IC | 2 | 1.8 | Dec 2004 | Operating | — | coming soon |
| WPG1 | Petroleum Liquids | IC | 2 | 1.8 | Dec 2004 | Operating | — | coming soon |
| WPG2 | Petroleum Liquids | IC | 2 | 1.8 | Dec 2004 | Operating | — | coming soon |
Owner / operator
Operator: City of Seneca - (SC). Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| City of Seneca - (SC) | 100.0% | 10 MW |
Nearby plants
Within 80 km.
| Valenite | 3 MW | 8.5 km |
| Central Energy Facility | 6 MW | 10.3 km |
| Duke Energy CHP at Clemson University | 13 MW | 11.9 km |
| Oconee | 2,667 MW | 12.8 km |
| Keowee | 158 MW | 13.7 km |
| Bluebird Solar SC LLC | 3 MW | 21.8 km |