West Riverside Energy Center
Natural gas power plant in Rock County, Wisconsin. 727.6 MW of nameplate capacity across 4 generators, operated by Wisconsin Power & Light Co.
Also known as EIA plant 64020
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 727.6 MWNatural gas 723.2 · Solar 4.4
- Generators
- 4 operatingEIA-860M, August 2026
- Operating since
- May 2020First generator online
- Operator
- Wisconsin Power & Light CoEIA operator ID 20856
- Grid
- MISOBalancing authority MISO
- Price nodes
- 2 MISO nodesResource nodes with prices
- Location
- Rock County, WI42.5821, −89.0412
- EIA plant ID
- 64020EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power West Riverside produces
Free · EIA-923Net generation, 2025
4.37 TWh
4,367,001 MWh, final
Capacity factor, 2025
68.5%
2024: 77.6%
January to July 2026
2.36 TWh
Provisional
Range, 2022 to 2025
3.1–5.0
TWh a year. Low 2022, 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 | 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 | Not reported | Not reported | 0 of 12 |
| 2011 | Not reported | Not reported | 0 of 12 |
| 2012 | Not reported | Not reported | 0 of 12 |
| 2013 | Not reported | Not reported | 0 of 12 |
| 2014 | Not reported | Not reported | 0 of 12 |
| 2015 | Not reported | Not reported | 0 of 12 |
| 2016 | Not reported | Not reported | 0 of 12 |
| 2017 | Not reported | Not reported | 0 of 12 |
| 2018 | Not reported | Not reported | 0 of 12 |
| 2019 | Not reported | Not reported | 0 of 12 |
| 2020 | 1,936,467 | Not reported | 8 of 12 |
| 2021 | 1,752,995 | Not reported | 9 of 12 |
| 2022 | 3,131,250 | 49.1% | 12 of 12 |
| 2023 | 4,259,326 | 66.8% | 12 of 12 |
| 2024 | 4,961,149 | 77.6% | 12 of 12 |
| 2025 | 4,367,001 | 68.5% | 12 of 12 |
| 2026 (provisional, partial year) | 2,357,275 | 63.7% | 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 CAMPDNo EPA emissions units are linked to this plant.
Water use
Free · EIA-923 cooling, USGSWithdrawal, 2024
952
million gallons
Consumption, 2024
846
million gallons
Source
Wells
Ground, Fresh. Induced-draft tower
Watershed stress
Very low/none · 0.168
USGS SUI, HUC12 City of Beloit-Rock River
12 of 12 cooling months report withdrawal. Groundwater user; SUI describes surface water and is context only. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| CTG3 | Natural Gas Fired Combined Cycle | 232.9 | May 2020 |
| CTG4 | Natural Gas Fired Combined Cycle | 232.9 | May 2020 |
| PV1 | Solar Photovoltaic | 4.4 | April 2021 |
| STG2 | Natural Gas Fired Combined Cycle | 257.4 | May 2020 |
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 Wisconsin Power & Light Co 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 West Riverside
More plants operated by Wisconsin Power & Light Co
Questions about West Riverside
How much power does West Riverside Energy Center produce?
West Riverside Energy Center reported 4,367,001 MWh (4.37 TWh) of net generation in 2025, a 68.5% capacity factor on 727.6 MW of nameplate capacity. From January to July 2026 it reported 2.36 TWh, which is provisional.
Where is West Riverside Energy Center?
West Riverside Energy Center is in Rock County, Wisconsin, at 42.5821, −89.0412. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates West Riverside Energy Center?
EIA-860M for August 2026 lists Wisconsin Power & Light Co as the operator (EIA operator ID 20856). The operator is not always the owner.
When did West Riverside Energy Center start operating?
Its first generator began operating in May 2020, according to EIA-860M.
Does InfraMap have power prices for West Riverside Energy Center?
Yes. InfraMap has MISO day-ahead and real-time prices at 2 price nodes linked to West Riverside Energy Center, 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)
- 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