Wilmarth
Municipal solid waste power plant in Blue Earth County, Minnesota. 25 MW of nameplate capacity across 2 generators, operated by Northern States Power Co - Minnesota.
Also known as EIA plant 1934
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 25 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- September 1948First generator online
- Operator
- Northern States Power Co - MinnesotaEIA operator ID 13781
- Grid
- MISOBalancing authority MISO
- Price nodes
- 2 MISO nodesResource nodes with prices
- Location
- Blue Earth County, MN44.1967, −94.0009
- EIA plant ID
- 1934EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Wilmarth produces
Free · EIA-923Net generation, 2025
98.2 GWh
98,230 MWh, final
Capacity factor, 2025
44.9%
2024: 48.2%
January to July 2026
29.6 GWh
Provisional. 3 of 7 months reported
Range, 2015 to 2025
87.7–113.9
GWh a year. Low 2017, high 2020
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 128,634 | Not reported | 12 of 12 |
| 2001 | 120,916 | Not reported | 12 of 12 |
| 2002 | 131,157 | Not reported | 12 of 12 |
| 2003 | 123,475 | Not reported | 12 of 12 |
| 2004 | 106,853 | Not reported | 12 of 12 |
| 2005 | 105,429 | Not reported | 12 of 12 |
| 2006 | 111,678 | Not reported | 12 of 12 |
| 2007 | 113,807 | Not reported | 12 of 12 |
| 2008 | 97,023 | Not reported | 12 of 12 |
| 2009 | 10,904 | Not reported | 1 of 12 |
| 2010 | 8,435 | 45.3% | 1 of 12 |
| 2011 | 10,230 | 55.0% | 1 of 12 |
| 2012 | 103,409 | 47.1% | 12 of 12 |
| 2013 | 105,464 | 48.2% | 12 of 12 |
| 2014 | 106,945 | 48.8% | 12 of 12 |
| 2015 | 110,129 | 50.3% | 12 of 12 |
| 2016 | 102,709 | 46.8% | 12 of 12 |
| 2017 | 87,716 | 40.1% | 12 of 12 |
| 2018 | 100,083 | 45.7% | 12 of 12 |
| 2019 | 107,258 | 49.0% | 12 of 12 |
| 2020 | 113,925 | 51.9% | 12 of 12 |
| 2021 | 96,200 | 43.9% | 12 of 12 |
| 2022 | 96,516 | 44.1% | 12 of 12 |
| 2023 | 97,033 | 44.3% | 12 of 12 |
| 2024 | 105,753 | 48.2% | 12 of 12 |
| 2025 | 98,230 | 44.9% | 12 of 12 |
| 2026 (provisional, partial year) | 29,623 | 53.7% | 3 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, USGSNo EIA cooling-water record for this plant in 2024.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| 1 | Municipal Solid Waste | 12.5 | September 1948 |
| 2 | Municipal Solid Waste | 12.5 | March 1951 |
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 Northern States Power Co - Minnesota 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 Wilmarth
More plants operated by Northern States Power Co - Minnesota
Questions about Wilmarth
How much power does Wilmarth produce?
Wilmarth reported 98,230 MWh (98.2 GWh) of net generation in 2025, a 44.9% capacity factor on 25 MW of nameplate capacity. From January to July 2026 it reported 29.6 GWh, which is provisional.
Where is Wilmarth?
Wilmarth is in Blue Earth County, Minnesota, at 44.1967, −94.0009. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates Wilmarth?
EIA-860M for August 2026 lists Northern States Power Co - Minnesota as the operator (EIA operator ID 13781). The operator is not always the owner.
When did Wilmarth start operating?
Its first generator began operating in September 1948, according to EIA-860M.
Does InfraMap have power prices for Wilmarth?
Yes. InfraMap has MISO day-ahead and real-time prices at 2 price nodes linked to Wilmarth, 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
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page