Independence Steam Electric Station
Coal power plant in Independence County, Arkansas. 1,800 MW of nameplate capacity across 2 generators, operated by Entergy Arkansas LLC.
Also known as EIA plant 6641
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Key facts
- Capacity
- 1,800 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- January 1983First generator online
- Operator
- Entergy Arkansas LLCEIA operator ID 814
- Grid
- MISOBalancing authority MISO
- Price nodes
- 2 MISO nodesResource nodes with prices
- Location
- Independence County, AR35.6784, −91.4088
- EIA plant ID
- 6641EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Independence Steam Electric Station produces
Free · EIA-923Net generation, 2025
6.54 TWh
6,535,520 MWh, final
Capacity factor, 2025
41.4%
2024: 34.2%
January to July 2026
4.35 TWh
Provisional
Range, 2015 to 2025
2.9–9.7
TWh a year. Low 2020, high 2018
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 10,224,967 | Not reported | 12 of 12 |
| 2001 | 11,366,825 | Not reported | 12 of 12 |
| 2002 | 10,510,564 | Not reported | 12 of 12 |
| 2003 | 10,316,443 | Not reported | 12 of 12 |
| 2004 | 10,743,642 | Not reported | 12 of 12 |
| 2005 | 10,041,485 | Not reported | 12 of 12 |
| 2006 | 10,781,357 | Not reported | 12 of 12 |
| 2007 | 12,106,999 | Not reported | 12 of 12 |
| 2008 | 11,302,501 | Not reported | 12 of 12 |
| 2009 | 11,390,089 | Not reported | 12 of 12 |
| 2010 | 11,895,909 | 79.9% | 12 of 12 |
| 2011 | 10,994,484 | 73.8% | 12 of 12 |
| 2012 | 1,021,103 | Not reported | 1 of 12 |
| 2013 | 10,390,165 | 65.9% | 12 of 12 |
| 2014 | 10,990,484 | 69.7% | 12 of 12 |
| 2015 | 5,184,267 | 32.9% | 12 of 12 |
| 2016 | 7,704,239 | 48.7% | 12 of 12 |
| 2017 | 7,614,176 | 48.3% | 12 of 12 |
| 2018 | 9,683,174 | 61.4% | 12 of 12 |
| 2019 | 5,655,503 | 35.9% | 12 of 12 |
| 2020 | 2,906,972 | 18.4% | 12 of 12 |
| 2021 | 4,114,039 | 26.1% | 12 of 12 |
| 2022 | 4,497,183 | 28.5% | 12 of 12 |
| 2023 | 4,743,250 | 30.1% | 12 of 12 |
| 2024 | 5,410,935 | 34.2% | 12 of 12 |
| 2025 | 6,535,520 | 41.4% | 12 of 12 |
| 2026 (provisional, partial year) | 4,346,797 | 47.5% | 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
7.96M
US short tons. 2024: 6.74M
SO₂, 2025
16,718
US short tons
NOx, 2025
5,766
US short tons
CO₂ per MWh, calculated
1.22 t
About 2,437 lb per MWh
2 of 2 EPA units reported CO₂ in 2025 (1, 2), matched to EIA plant 6641 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
2,499
million gallons
Consumption, 2024
1,827
million gallons
Source
White River
Surface, Fresh. Natural-draft tower
Watershed stress
Low · 0.221
USGS SUI, HUC12 Mud Creek-White River
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 |
|---|---|---|---|
| 1 | Conventional Steam Coal | 900.0 | January 1983 |
| 2 | Conventional Steam Coal | 900.0 | December 1984 |
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 Arkansas 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 Independence Steam Electric Station
More plants operated by Entergy Arkansas LLC
Questions about Independence Steam Electric Station
How much power does Independence Steam Electric Station produce?
Independence Steam Electric Station reported 6,535,520 MWh (6.54 TWh) of net generation in 2025, a 41.4% capacity factor on 1,800 MW of nameplate capacity. From January to July 2026 it reported 4.35 TWh, which is provisional.
Where is Independence Steam Electric Station?
Independence Steam Electric Station is in Independence County, Arkansas, at 35.6784, −91.4088. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Independence Steam Electric Station?
EIA-860M for August 2026 lists Entergy Arkansas LLC as the operator (EIA operator ID 814). The operator is not always the owner.
When did Independence Steam Electric Station start operating?
Its first generator began operating in January 1983, according to EIA-860M.
Does InfraMap have power prices for Independence Steam Electric Station?
Yes. InfraMap has MISO day-ahead and real-time prices at 2 price nodes linked to Independence Steam Electric Station, 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
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page