Sewell Creek Energy
Polk County, Georgia · EIA plant ID 7813 · Operator: Oglethorpe Power Corporation
Nameplate570MWSummer 446 MW
Generators4in service
Net generation416GWh12 mo to Dec 2025
Capacity factor11%gas/coal/oil units, summer MW
Heat rate11,434Btu/kWhfossil units, electric fuel, HHV
First online2000Runs as peaking
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 | 123.4 | 2.9% | 11,946 |
| 2002 | 52.5 | 1.2% | 10,756 |
| 2003 | 5.2 | 0.1% | 16,501 |
| 2004 | 17.1 | 0.4% | 13,310 |
| 2005 | 65 | 1.5% | 12,472 |
| 2006 | 112.4 | 2.6% | 11,047 |
| 2007 | 149.3 | 3.4% | 10,333 |
| 2008 | 90.8 | 2.1% | 10,341 |
| 2009 | 133.2 | 3.1% | 10,213 |
| 2010 | 206.5 | 4.8% | 10,126 |
| 2011 | 277 | 7.0% | 10,305 |
| 2012 | 290.2 | 7.6% | 9,986 |
| 2013 | 107.6 | 2.9% | 10,158 |
| 2014 | 146.7 | 3.8% | 10,532 |
| 2015 | 267.3 | 7.0% | 10,497 |
| 2016 | 466.1 | 11.8% | 10,656 |
| 2017 | 356.1 | 9.1% | 11,498 |
| 2018 | 547.3 | 13.9% | 11,634 |
| 2019 | 592.6 | 15.0% | 11,513 |
| 2020 | 401 | 10.1% | 11,671 |
| 2021 | 368.3 | 9.3% | 11,437 |
| 2022 | 454.9 | 11.5% | 8,653 |
| 2023 | 425.2 | 10.7% | 11,420 |
| 2024 | 522.9 | 13.4% | 11,359 |
| 2025 | 415.7 | 10.7% | 11,434 |
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 |
|---|---|---|---|---|---|---|---|---|
| 1 | Natural Gas Fired Combustion Turbine | GT | 121 | 96.6 | Jul 2000 | Operating | — | coming soon |
| 2 | Natural Gas Fired Combustion Turbine | GT | 121 | 98 | Jul 2000 | Operating | — | coming soon |
| 3 | Natural Gas Fired Combustion Turbine | GT | 164 | 125 | Sep 2000 | Operating | — | coming soon |
| 4 | Natural Gas Fired Combustion Turbine | GT | 164 | 125.9 | Jun 2000 | Operating | — | coming soon |
Owner / operator
Operator: Oglethorpe Power Corporation. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Smarr EMC | 100.0% | 570 MW |
Nearby plants
Within 80 km.
| Polk Cedartown | 2 MW | 7.9 km |
| Cedartown Battery Energy Storage Project | retired | 11.4 km |
| Polk County GA S1, LLC | 3 MW | 11.9 km |
| Polk Cedartown 2 | 2 MW | 12.5 km |
| Rockmart | 3 MW | 24.6 km |
| Inland Paperboard Packaging Rome | 70 MW | 34.1 km |