Silver Creek
Jefferson Davis County, Mississippi · EIA plant ID 7988 · Operator: South Mississippi El Pwr Assn
Nameplate251MWSummer 225 MW
Generators3in service
Net generation282GWh12 mo to Dec 2025
Capacity factor14%gas/coal/oil units, summer MW
Heat rate12,393Btu/kWhfossil units, electric fuel, HHV
First online2003Runs 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) |
|---|---|---|---|
| 2004 | 2.2 | 0.2% | 12,856 |
| 2005 | 12.1 | 0.7% | 12,249 |
| 2006 | 18.3 | 0.9% | 12,136 |
| 2007 | 28.5 | 1.5% | 12,575 |
| 2008 | 123 | 6.2% | 12,487 |
| 2009 | 113.7 | 5.8% | 12,333 |
| 2010 | 38.7 | 2.0% | 12,467 |
| 2011 | 163.6 | 8.3% | 12,266 |
| 2012 | 30.1 | 1.5% | 12,435 |
| 2013 | 67.9 | 3.5% | 12,335 |
| 2014 | 59.3 | 3.0% | 12,934 |
| 2015 | 90.2 | 4.6% | 12,694 |
| 2016 | 97.7 | 4.9% | 12,369 |
| 2017 | 112.5 | 5.7% | 12,605 |
| 2018 | 132.4 | 6.7% | 12,604 |
| 2019 | 45.6 | 2.3% | 12,587 |
| 2020 | 44.5 | 2.3% | 12,465 |
| 2021 | 75.3 | 3.8% | 12,513 |
| 2022 | 82.5 | 4.2% | 12,331 |
| 2023 | 210.2 | 10.7% | 12,162 |
| 2024 | 427.7 | 21.6% | 12,401 |
| 2025 | 282.3 | 14.3% | 12,393 |
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 | 83.5 | 75 | Jun 2003 | Operating | — | coming soon |
| 2 | Natural Gas Fired Combustion Turbine | GT | 83.5 | 75 | Jun 2004 | Operating | — | coming soon |
| 3 | Natural Gas Fired Combustion Turbine | GT | 83.5 | 75 | Jun 2005 | Operating | — | coming soon |
Owner / operator
Operator: South Mississippi El Pwr Assn. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| South Mississippi El Pwr Assn | 100.0% | 251 MW |
Nearby plants
Within 80 km.
| Georgia-Pacific Monticello Paper | 82 MW | 13.1 km |
| District 70 Transco Gas Pipe Line | 2 MW | 45.9 km |
| OE_MS4 | — | 47.3 km |
| Sumrall I Solar Farm | 52 MW | 47.9 km |
| Sumrall II Solar Farm | 52 MW | 49.2 km |
| Georgia-Pacific Taylorsville Plywood | 7 MW | 52.8 km |