Carville Energy LLC
Iberville County, Louisiana · EIA plant ID 55404 · Operator: Carville Energy LLC
Nameplate555MWSummer 521 MW
Generators3in service
Net generation2,709GWh12 mo to Aug 2026
Capacity factor59%gas/coal/oil units, summer MW
Heat rate6,574Btu/kWhfossil units, electric fuel, HHV
First online2003Runs 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) |
|---|---|---|---|
| 2003 | 1,752 | 68.2% | 6,478 |
| 2004 | 1,698 | 38.7% | 6,047 |
| 2005 | 1,941.8 | 44.3% | 6,047 |
| 2006 | 1,911.1 | 43.6% | 6,047 |
| 2007 | 2,145.7 | 51.8% | 6,047 |
| 2008 | 1,885.6 | 45.4% | 5,956 |
| 2009 | 2,468 | 59.6% | 5,962 |
| 2010 | 2,560.6 | 61.8% | 5,964 |
| 2011 | 2,270.8 | 54.8% | 5,974 |
| 2012 | 2,899.6 | 69.8% | 5,958 |
| 2013 | 2,246.5 | 48.9% | 5,957 |
| 2014 | 2,067.4 | 45.0% | 5,992 |
| 2015 | 2,709.8 | 58.9% | 5,992 |
| 2016 | 2,495.6 | 54.1% | 6,560 |
| 2017 | 3,102.2 | 67.5% | 6,565 |
| 2018 | 3,064.5 | 67.2% | 6,569 |
| 2019 | 2,970.4 | 65.1% | 6,554 |
| 2020 | 2,434.5 | 53.2% | 6,565 |
| 2021 | 2,744.3 | 60.1% | 6,562 |
| 2022 | 2,467.5 | 54.1% | 6,568 |
| 2023 | 3,236.7 | 70.9% | 6,571 |
| 2024 | 2,967.2 | 64.8% | 6,569 |
| 2025 | 3,004.7 | 65.8% | 6,583 |
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 |
|---|---|---|---|---|---|---|---|---|
| CTG1 | Natural Gas Fired Combined Cycle | CT | 187 | 170 | Jun 2003 | Operating | — | coming soon |
| CTG2 | Natural Gas Fired Combined Cycle | CT | 187 | 170 | Jun 2003 | Operating | — | coming soon |
| STG | Natural Gas Fired Combined Cycle | CA | 181 | 181 | Jun 2003 | Operating | — | coming soon |
Owner / operator
Operator: Carville Energy LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| Carville Energy LLC | 100.0% | 555 MW |
Nearby plants
Within 80 km.
| PCS Nitrogen Fertilizer LP | 14 MW | 1 km |
| Geismar | 84 MW | 7 km |
| Geismar Cogen | 84 MW | 7.4 km |
| Shell Chemical | 80 MW | 9.1 km |
| Magnolia Power | 723 MW | 9.9 km |
| Axiall Plaquemine | 306 MW | 12 km |