West Marinette 34
Natural gas power plant in Marinette County, Wisconsin. 83 MW of nameplate capacity across 1 generator, operated by Madison Gas & Electric Co.
Also known as West Marinette 34 Power Plant · EIA plant 7799
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Key facts
- Capacity
- 83 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- June 2000First generator online
- Operator
- Madison Gas & Electric CoEIA operator ID 11479
- Grid
- MISOBalancing authority MISO
- Price nodes
- 1 MISO nodeResource nodes with prices
- Location
- Marinette County, WI45.0869, −87.6892
- EIA plant ID
- 7799EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power West Marinette 34 produces
Free · EIA-923Net generation, 2025
84.9 GWh
84,865 MWh, final
Capacity factor, 2025
11.7%
2024: 6.0%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
43.6–152.3
GWh a year. Low 2024, high 2018
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 20,855 | Not reported | 12 of 12 |
| 2001 | 58,961 | Not reported | 12 of 12 |
| 2002 | 65,548 | Not reported | 12 of 12 |
| 2003 | 53,183 | Not reported | 12 of 12 |
| 2004 | 20,996 | Not reported | 12 of 12 |
| 2005 | 96,319 | Not reported | 12 of 12 |
| 2006 | 19,374 | Not reported | 12 of 12 |
| 2007 | 42,571 | Not reported | 12 of 12 |
| 2008 | 31,791 | Not reported | 12 of 12 |
| 2009 | −7,882 | Not reported | 12 of 12 |
| 2010 | 3,047 | 0.4% | 12 of 12 |
| 2011 | 2,476 | 0.3% | 12 of 12 |
| 2012 | 19,367 | 2.7% | 12 of 12 |
| 2013 | 8,479 | 1.2% | 12 of 12 |
| 2014 | 25,706 | 3.5% | 12 of 12 |
| 2015 | 49,450 | 6.8% | 12 of 12 |
| 2016 | 47,994 | 6.6% | 12 of 12 |
| 2017 | 56,797 | 7.8% | 12 of 12 |
| 2018 | 152,333 | 21.0% | 12 of 12 |
| 2019 | 84,614 | 11.6% | 12 of 12 |
| 2020 | 92,138 | 12.6% | 12 of 12 |
| 2021 | 56,010 | 7.7% | 12 of 12 |
| 2022 | 121,536 | 16.7% | 12 of 12 |
| 2023 | 82,876 | 11.4% | 12 of 12 |
| 2024 | 43,646 | 6.0% | 12 of 12 |
| 2025 | 84,865 | 11.7% | 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
70,239
US short tons. 2024: 36,663
SO₂, 2025
0
US short tons
NOx, 2025
28
US short tons
CO₂ per MWh, calculated
0.83 t
About 1,655 lb per MWh
1 of 1 EPA units reported CO₂ in 2025 (**34), matched to EIA plant 7799 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 |
|---|---|---|---|
| 34 | Natural Gas Fired Combustion Turbine | 83.0 | June 2000 |
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 Madison Gas & Electric 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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Questions about West Marinette 34
How much power does West Marinette 34 produce?
West Marinette 34 reported 84,865 MWh (84.9 GWh) of net generation in 2025, a 11.7% capacity factor on 83 MW of nameplate capacity.
Where is West Marinette 34?
West Marinette 34 is in Marinette County, Wisconsin, at 45.0869, −87.6892. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates West Marinette 34?
EIA-860M for August 2026 lists Madison Gas & Electric Co as the operator (EIA operator ID 11479). The operator is not always the owner.
When did West Marinette 34 start operating?
Its first generator began operating in June 2000, according to EIA-860M.
Does InfraMap have power prices for West Marinette 34?
Yes. InfraMap has MISO day-ahead and real-time prices at 1 price node linked to West Marinette 34, 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