West Marinette
Natural gas power plant in Marinette County, Wisconsin. 187.1 MW of nameplate capacity across 3 generators, operated by Wisconsin Public Service Corp.
Also known as West Marinette Power Plant · EIA plant 4076
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Key facts
- Capacity
- 187.1 MWNameplate
- Generators
- 3 operatingEIA-860M, August 2026
- Operating since
- June 1971First generator online
- Operator
- Wisconsin Public Service CorpEIA operator ID 20860
- Grid
- MISOBalancing authority MISO
- Price nodes
- 3 MISO nodesResource nodes with prices
- Location
- Marinette County, WI45.0869, −87.6881
- EIA plant ID
- 4076EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power West Marinette produces
Free · EIA-923Net generation, 2025
90.3 GWh
90,259 MWh, final
Capacity factor, 2025
5.5%
2024: 1.9%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
1.3–127.6
GWh a year. Low 2016, high 2022
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 153,716 | Not reported | 12 of 12 |
| 2001 | 101,316 | Not reported | 12 of 12 |
| 2002 | 95,106 | Not reported | 12 of 12 |
| 2003 | 112,151 | Not reported | 12 of 12 |
| 2004 | 47,785 | Not reported | 12 of 12 |
| 2005 | 168,018 | Not reported | 12 of 12 |
| 2006 | 39,370 | Not reported | 12 of 12 |
| 2007 | 102,652 | Not reported | 12 of 12 |
| 2008 | 68,565 | Not reported | 12 of 12 |
| 2009 | 11,177 | Not reported | 12 of 12 |
| 2010 | 16,032 | 1.1% | 12 of 12 |
| 2011 | 21,201 | 1.4% | 12 of 12 |
| 2012 | 39,704 | 2.7% | 12 of 12 |
| 2013 | 49,069 | 3.4% | 12 of 12 |
| 2014 | 36,603 | Not reported | 12 of 12 |
| 2015 | 43,012 | 2.6% | 12 of 12 |
| 2016 | 1,332 | 0.1% | 12 of 12 |
| 2017 | 117,351 | 7.2% | 12 of 12 |
| 2018 | 83,708 | 5.1% | 12 of 12 |
| 2019 | 25,459 | 1.6% | 12 of 12 |
| 2020 | 18,401 | 1.1% | 12 of 12 |
| 2021 | 66,734 | 4.1% | 12 of 12 |
| 2022 | 127,576 | 7.8% | 12 of 12 |
| 2023 | 93,790 | 5.7% | 12 of 12 |
| 2024 | 30,647 | 1.9% | 12 of 12 |
| 2025 | 90,259 | 5.5% | 12 of 12 |
| 2026 (provisional, partial year) | Not reported | Not reported | 0 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
71,486
US short tons. 2024: Not reported
SO₂, 2025
0
US short tons
NOx, 2025
105
US short tons
CO₂ per MWh, calculated
0.79 t
About 1,584 lb per MWh
5 of 5 EPA units reported CO₂ in 2025 (**33, 31A, 31B, 32A, 32B), matched to EIA plant 4076 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, USGSNo EIA cooling-water record for this plant in 2024.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 31 | Natural Gas Fired Combustion Turbine | 41.8 | June 1971 |
| 32 | Natural Gas Fired Combustion Turbine | 41.8 | April 1973 |
| 33 | Natural Gas Fired Combustion Turbine | 103.5 | May 1993 |
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 Public Service Corp 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 Marinette
More plants operated by Wisconsin Public Service Corp
Questions about West Marinette
How much power does West Marinette produce?
West Marinette reported 90,259 MWh (90.3 GWh) of net generation in 2025, a 5.5% capacity factor on 187.1 MW of nameplate capacity.
Where is West Marinette?
West Marinette is in Marinette County, Wisconsin, at 45.0869, −87.6881. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates West Marinette?
EIA-860M for August 2026 lists Wisconsin Public Service Corp as the operator (EIA operator ID 20860). The operator is not always the owner.
When did West Marinette start operating?
Its first generator began operating in June 1971, according to EIA-860M.
Does InfraMap have power prices for West Marinette?
Yes. InfraMap has MISO day-ahead and real-time prices at 3 price nodes linked to West Marinette, 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
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page