Carville Energy LLC
Natural gas power plant in Iberville Parish, Louisiana. 555 MW of nameplate capacity across 3 generators, operated by Carville Energy LLC.
Also known as Carville Energy · EIA plant 55404
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Key facts
- Capacity
- 555 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- June 2003First generator online
- Operator
- Carville Energy LLCEIA operator ID 3131
- Grid
- MISOBalancing authority MISO
- Price nodes
- 2 MISO nodesResource nodes with prices
- Location
- Iberville Parish, LA30.2294, −91.0650
- EIA plant ID
- 55404EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Carville Energy produces
Free · EIA-923Net generation, 2025
3.00 TWh
3,004,721 MWh, final
Capacity factor, 2025
61.8%
2024: 60.9%
January to July 2026
1.43 TWh
Provisional
Range, 2015 to 2025
2.4–3.2
TWh a year. Low 2020, high 2023
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | Not reported | Not reported | 0 of 12 |
| 2001 | Not reported | Not reported | 0 of 12 |
| 2002 | Not reported | Not reported | 0 of 12 |
| 2003 | 1,751,993 | Not reported | 7 of 12 |
| 2004 | 1,697,986 | Not reported | 12 of 12 |
| 2005 | 1,941,766 | Not reported | 12 of 12 |
| 2006 | 1,911,141 | Not reported | 12 of 12 |
| 2007 | 2,145,745 | Not reported | 12 of 12 |
| 2008 | 1,885,595 | Not reported | 12 of 12 |
| 2009 | 2,467,999 | Not reported | 12 of 12 |
| 2010 | 2,560,612 | 51.3% | 12 of 12 |
| 2011 | 2,270,788 | 45.5% | 12 of 12 |
| 2012 | 2,899,630 | 57.9% | 12 of 12 |
| 2013 | 2,246,533 | Not reported | 12 of 12 |
| 2014 | 2,067,416 | 41.4% | 12 of 12 |
| 2015 | 2,709,824 | 54.3% | 12 of 12 |
| 2016 | 2,495,579 | 49.8% | 12 of 12 |
| 2017 | 3,102,168 | 62.1% | 12 of 12 |
| 2018 | 3,064,512 | Not reported | 12 of 12 |
| 2019 | 2,970,427 | 61.1% | 12 of 12 |
| 2020 | 2,434,453 | 49.9% | 12 of 12 |
| 2021 | 2,744,341 | 56.4% | 12 of 12 |
| 2022 | 2,467,513 | 50.8% | 12 of 12 |
| 2023 | 3,236,671 | 66.6% | 12 of 12 |
| 2024 | 2,967,209 | 60.9% | 12 of 12 |
| 2025 | 3,004,721 | 61.8% | 12 of 12 |
| 2026 (provisional, partial year) | 1,427,994 | 50.6% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free account · MISOEmissions
Free · EPA CAMPDCO₂, 2025
1.48M
US short tons. 2024: 1.45M
SO₂, 2025
7
US short tons
NOx, 2025
401
US short tons
CO₂ per MWh, calculated
0.49 t
About 984 lb per MWh
2 of 2 EPA units reported CO₂ in 2025 (COG01, COG02), matched to EIA plant 55404 through the EPA–EIA crosswalk. The per-MWh rate is EPA CO₂ divided by EIA-923 net generation. The two reporting boundaries can differ.
Water use
Free · EIA-923 cooling, USGSWithdrawal, 2024
679
million gallons
Consumption, 2024
581
million gallons
Source
Mississippi River
Surface, Fresh. Induced-draft tower
Watershed stress
Very low/none · 0.199
USGS SUI, HUC12 Bayou Braud
12 of 12 cooling months report withdrawal. SUI of the source river HUC12 within 3 km. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| CTG1 | Natural Gas Fired Combined Cycle | 187.0 | June 2003 |
| CTG2 | Natural Gas Fired Combined Cycle | 187.0 | June 2003 |
| STG | Natural Gas Fired Combined Cycle | 181.0 | June 2003 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Carville Energy LLC as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Questions about Carville Energy
How much power does Carville Energy LLC produce?
Carville Energy LLC reported 3,004,721 MWh (3.00 TWh) of net generation in 2025, a 61.8% capacity factor on 555 MW of nameplate capacity. From January to July 2026 it reported 1.43 TWh, which is provisional.
Where is Carville Energy LLC?
Carville Energy LLC is in Iberville Parish, Louisiana, at 30.2294, −91.0650. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Carville Energy LLC?
EIA-860M for August 2026 lists Carville Energy LLC as the operator (EIA operator ID 3131). The operator is not always the owner.
When did Carville Energy LLC start operating?
Its first generator began operating in June 2003, according to EIA-860M.
Does InfraMap have power prices for Carville Energy LLC?
Yes. InfraMap has MISO day-ahead and real-time prices at 2 price nodes linked to Carville Energy LLC, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- EPA CAMPD annual emissions through the EPA–EIA crosswalk, 1995 to 2025
- MISO day-ahead and real-time prices; node and hub assignments as of 2026-10-05
- EIA-923 cooling water 2024 and the USGS surface water supply and use index, Water years 2010-2020 (Oct 2009 to Sep 2020), mean of monthly values
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page