R S Nelson
Coal and natural gas power plant in Calcasieu Parish, Louisiana. 1,433.6 MW of nameplate capacity across 4 generators, operated by Entergy Louisiana LLC.
Also known as Roy S. Nelson Generating Plant · R.S. Nelson · RS Nelson · EIA plant 1393
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 1,433.6 MWCoal 614.6 · Natural gas 591.8 · Petroleum coke 227.2
- Generators
- 4 operatingEIA-860M, August 2026
- Operating since
- February 1959First generator online
- Operator
- Entergy Louisiana LLCEIA operator ID 11241
- Grid
- MISOBalancing authority MISO
- Price nodes
- 1 MISO nodeResource nodes with prices
- Location
- Calcasieu Parish, LA30.2844, −93.2911
- EIA plant ID
- 1393EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power R S Nelson produces
Free · EIA-923Net generation, 2025
1.98 TWh
1,982,885 MWh, final
Capacity factor, 2025
15.8%
2024: 11.7%
January to July 2026
1.54 TWh
Provisional
Range, 2015 to 2025
1.5–4.3
TWh a year. Low 2024, high 2018
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 6,228,444 | Not reported | 12 of 12 |
| 2001 | 5,721,980 | Not reported | 12 of 12 |
| 2002 | 7,579,841 | Not reported | 12 of 12 |
| 2003 | 4,622,615 | Not reported | 12 of 12 |
| 2004 | 6,891,379 | Not reported | 12 of 12 |
| 2005 | 6,069,600 | Not reported | 12 of 12 |
| 2006 | 6,094,581 | Not reported | 12 of 12 |
| 2007 | 2,805,730 | Not reported | 6 of 12 |
| 2008 | 6,748,186 | Not reported | 12 of 12 |
| 2009 | 6,067,735 | Not reported | 12 of 12 |
| 2010 | 5,848,401 | 41.8% | 12 of 12 |
| 2011 | 6,790,961 | 48.5% | 12 of 12 |
| 2012 | 6,212,242 | 44.3% | 12 of 12 |
| 2013 | 6,069,250 | 43.4% | 12 of 12 |
| 2014 | 5,023,291 | 35.9% | 12 of 12 |
| 2015 | 4,035,700 | 28.9% | 12 of 12 |
| 2016 | 4,148,850 | 29.6% | 12 of 12 |
| 2017 | 4,279,702 | Not reported | 12 of 12 |
| 2018 | 4,283,308 | 34.1% | 12 of 12 |
| 2019 | 3,211,248 | 25.6% | 12 of 12 |
| 2020 | 2,077,118 | 16.5% | 12 of 12 |
| 2021 | 2,862,058 | 22.8% | 12 of 12 |
| 2022 | 3,274,613 | 26.1% | 12 of 12 |
| 2023 | 1,740,153 | 13.9% | 12 of 12 |
| 2024 | 1,475,442 | 11.7% | 12 of 12 |
| 2025 | 1,982,885 | 15.8% | 12 of 12 |
| 2026 (provisional, partial year) | 1,538,261 | 21.1% | 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, 2023
Not reported
US short tons. 2022: Not reported
SO₂, 2023
Not reported
US short tons
NOx, 2023
1,545
US short tons
1 of 3 EPA units reported CO₂ in 2023 (4, 6, 1A, 2A), matched to EIA plant 1393 through the EPA–EIA crosswalk.
Water use
Free · EIA-923 cooling, USGSWithdrawal, 2024
194
million gallons
Consumption, 2024
165
million gallons
Source
Sabine River Authority Canal
Surface, Fresh. Induced-draft tower
Watershed stress
Low · 0.212
USGS SUI, HUC12 Richards Lake-Houston River
48 of 48 cooling months report withdrawal. SUI of the HUC12 containing the plant. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Petroleum Coke | 113.6 | February 1959 |
| 2 | Petroleum Coke | 113.6 | May 1959 |
| 4 | Natural Gas Steam Turbine | 591.8 | July 1970 |
| 6 | Conventional Steam Coal | 614.6 | May 1982 |
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 Louisiana 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 R S Nelson
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Questions about R S Nelson
How much power does R S Nelson produce?
R S Nelson reported 1,982,885 MWh (1.98 TWh) of net generation in 2025, a 15.8% capacity factor on 1,433.6 MW of nameplate capacity. From January to July 2026 it reported 1.54 TWh, which is provisional.
Where is R S Nelson?
R S Nelson is in Calcasieu Parish, Louisiana, at 30.2844, −93.2911. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates R S Nelson?
EIA-860M for August 2026 lists Entergy Louisiana LLC as the operator (EIA operator ID 11241). The operator is not always the owner.
Is R S Nelson a coal or a natural gas plant?
Both. Coal capacity totals 614.6 MW and natural gas capacity totals 591.8 MW, with 227.2 MW of petroleum coke.
When did R S Nelson start operating?
Its first generator began operating in February 1959, according to EIA-860M.
Does InfraMap have power prices for R S Nelson?
Yes. InfraMap has MISO day-ahead and real-time prices at 1 price node linked to R S Nelson, 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