Choctaw County
Natural gas power plant in Choctaw County, Mississippi. 899 MW of nameplate capacity across 4 generators, operated by Entergy Mississippi LLC.
Also known as Choctaw County Power Plant · EIA plant 55706
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Key facts
- Capacity
- 899 MWNameplate
- Generators
- 4 operatingEIA-860M, August 2026
- Operating since
- July 2003First generator online
- Operator
- Entergy Mississippi LLCEIA operator ID 12685
- Grid
- TVABalancing authority TVA
- Price nodes
- None linkedNo verified ISO node
- Location
- Choctaw County, MS33.2881, −89.4201
- EIA plant ID
- 55706EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Choctaw County produces
Free · EIA-923Net generation, 2025
4.49 TWh
4,486,092 MWh, final. 11 of 12 months reported
Capacity factor, 2025
62.1%
2024: 76.3%
January to July 2026
3.01 TWh
Provisional
Range, 2015 to 2024
3.3–6.0
TWh a year. Low 2016, high 2024
| 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 | 29,733 | Not reported | 6 of 12 |
| 2004 | −4,970 | Not reported | 12 of 12 |
| 2005 | −6,158 | Not reported | 12 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | 181,700 | Not reported | 12 of 12 |
| 2008 | 39,181 | Not reported | 12 of 12 |
| 2009 | 60,618 | Not reported | 12 of 12 |
| 2010 | 382,141 | 4.9% | 12 of 12 |
| 2011 | 479,646 | 6.1% | 12 of 12 |
| 2012 | 830,751 | 10.5% | 12 of 12 |
| 2013 | 1,413,350 | Not reported | 12 of 12 |
| 2014 | 2,868,988 | 36.4% | 12 of 12 |
| 2015 | 3,518,645 | 44.7% | 12 of 12 |
| 2016 | 3,274,867 | 41.5% | 12 of 12 |
| 2017 | 3,953,416 | 50.2% | 12 of 12 |
| 2018 | 5,070,830 | 64.4% | 12 of 12 |
| 2019 | 4,550,073 | 57.8% | 12 of 12 |
| 2020 | 5,296,898 | 67.1% | 12 of 12 |
| 2021 | 3,876,148 | 49.2% | 12 of 12 |
| 2022 | 3,425,619 | 43.5% | 12 of 12 |
| 2023 | 5,144,417 | 65.3% | 12 of 12 |
| 2024 | 6,023,853 | 76.3% | 12 of 12 |
| 2025 | 4,486,092 | 62.1% | 11 of 12 |
| 2026 (provisional, partial year) | 3,014,891 | 65.9% | 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 accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDCO₂, 2025
2.20M
US short tons. 2024: 2.62M
SO₂, 2025
11
US short tons
NOx, 2025
177
US short tons
3 of 3 EPA units reported CO₂ in 2025 (CTG1, CTG2, CTG3), matched to EIA plant 55706 through the EPA–EIA crosswalk.
Water use
Free · EIA-923 cooling, USGSWithdrawal, 2024
Not reported
million gallons as reported; not used, see note
Consumption, 2024
Not reported
million gallons
Source
Not reported
Dry cooling
Watershed stress
Low · 0.244
USGS SUI, HUC12 Elkins Creek-Poplar Creek
0 of 12 cooling months report withdrawal. Dry cooling with no reported withdrawal; not tested. Consumption is below 5% of a large reported withdrawal, so the withdrawal is not used. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| CTG1 | Natural Gas Fired Combined Cycle | 179.0 | July 2003 |
| CTG2 | Natural Gas Fired Combined Cycle | 179.0 | July 2003 |
| CTG3 | Natural Gas Fired Combined Cycle | 179.0 | July 2003 |
| STG1 | Natural Gas Fired Combined Cycle | 362.0 | July 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 Entergy Mississippi 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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Power plants near Choctaw County
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Questions about Choctaw County
How much power does Choctaw County produce?
Choctaw County reported 4,486,092 MWh (4.49 TWh) of net generation in 2025, a 62.1% capacity factor on 899 MW of nameplate capacity. From January to July 2026 it reported 3.01 TWh, which is provisional. 11 of 12 months were reported for 2025.
Where is Choctaw County?
Choctaw County is in Choctaw County, Mississippi, at 33.2881, −89.4201. It is in the Tennessee Valley Authority balancing area (TVA).
Who operates Choctaw County?
EIA-860M for August 2026 lists Entergy Mississippi LLC as the operator (EIA operator ID 12685). The operator is not always the owner.
When did Choctaw County start operating?
Its first generator began operating in July 2003, according to EIA-860M.
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
- 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