Plum Point Energy Station
Coal power plant in Mississippi County, Arkansas. 720 MW of nameplate capacity across 1 generator, operated by NRG Energy Services - Plum Point.
Also known as EIA plant 56456
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 720 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- September 2010First generator online
- Operator
- NRG Energy Services - Plum PointEIA operator ID 58905
- Grid
- MISOBalancing authority MISO
- Price nodes
- 5 MISO nodesResource nodes with prices
- Location
- Mississippi County, AR35.6644, −89.9489
- EIA plant ID
- 56456EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Plum Point Energy Station produces
Free · EIA-923Net generation, 2025
3.68 TWh
3,680,117 MWh, final
Capacity factor, 2025
58.3%
2024: 49.3%
January to July 2026
1.61 TWh
Provisional
Range, 2015 to 2025
3.1–5.2
TWh a year. Low 2024, high 2018
| 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 | Not reported | Not reported | 0 of 12 |
| 2004 | Not reported | Not reported | 0 of 12 |
| 2005 | Not reported | Not reported | 0 of 12 |
| 2006 | Not reported | Not reported | 0 of 12 |
| 2007 | Not reported | Not reported | 0 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | 1,624,152 | Not reported | 4 of 12 |
| 2011 | 4,179,644 | 66.3% | 12 of 12 |
| 2012 | 4,366,528 | 69.0% | 12 of 12 |
| 2013 | 3,995,847 | 63.4% | 12 of 12 |
| 2014 | 3,626,619 | 57.5% | 12 of 12 |
| 2015 | 4,062,213 | 64.4% | 12 of 12 |
| 2016 | 4,605,320 | 72.8% | 12 of 12 |
| 2017 | 3,520,804 | 55.8% | 12 of 12 |
| 2018 | 5,202,634 | Not reported | 12 of 12 |
| 2019 | 3,944,609 | 62.5% | 12 of 12 |
| 2020 | 3,238,666 | 51.2% | 12 of 12 |
| 2021 | 4,046,219 | 64.2% | 12 of 12 |
| 2022 | 4,353,625 | 69.0% | 12 of 12 |
| 2023 | 3,381,761 | 53.6% | 12 of 12 |
| 2024 | 3,119,977 | 49.3% | 12 of 12 |
| 2025 | 3,680,117 | 58.3% | 12 of 12 |
| 2026 (provisional, partial year) | 1,606,826 | 43.9% | 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 account · MISOEmissions
Free · EPA CAMPDCO₂, 2025
3.88M
US short tons. 2024: 3.38M
SO₂, 2025
2,501
US short tons
NOx, 2025
1,409
US short tons
CO₂ per MWh, calculated
1.06 t
About 2,111 lb per MWh
1 of 1 EPA units reported CO₂ in 2025 (1), matched to EIA plant 56456 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
1,458
million gallons
Consumption, 2024
1,208
million gallons
Source
Mississippi River
Surface, Fresh. Induced-draft tower
Watershed stress
Very low/none · 0.184
USGS SUI, HUC12 Ditch Number 9
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 |
|---|---|---|---|
| STG1 | Conventional Steam Coal | 720.0 | September 2010 |
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 NRG Energy Services - Plum Point 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 Plum Point Energy Station
How much power does Plum Point Energy Station produce?
Plum Point Energy Station reported 3,680,117 MWh (3.68 TWh) of net generation in 2025, a 58.3% capacity factor on 720 MW of nameplate capacity. From January to July 2026 it reported 1.61 TWh, which is provisional.
Where is Plum Point Energy Station?
Plum Point Energy Station is in Mississippi County, Arkansas, at 35.6644, −89.9489. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Plum Point Energy Station?
EIA-860M for August 2026 lists NRG Energy Services - Plum Point as the operator (EIA operator ID 58905). The operator is not always the owner.
When did Plum Point Energy Station start operating?
Its first generator began operating in September 2010, according to EIA-860M.
Does InfraMap have power prices for Plum Point Energy Station?
Yes. InfraMap has MISO day-ahead and real-time prices at 5 price nodes linked to Plum Point Energy 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