John H Warden
Wood biomass power plant in Baraga County, Michigan. 22 MW of nameplate capacity across 1 generator, operated by L'Anse Warden Electric Company LLC.
Also known as John H Warden Power Plant · EIA plant 1772
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 22 MWNameplate
- Generators
- 1 operatingEIA-860M, August 2026
- Operating since
- August 1959First generator online
- Operator
- L'Anse Warden Electric Company LLCEIA operator ID 56133
- Grid
- MISOBalancing authority MISO
- Price nodes
- 1 MISO nodeResource nodes with prices
- Location
- Baraga County, MI46.7553, −88.4558
- EIA plant ID
- 1772EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power John H Warden produces
Free · EIA-923Net generation, 2025
61.4 GWh
61,357 MWh, final
Capacity factor, 2025
31.8%
2024: 57.3%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
61.4–125.5
GWh a year. Low 2025, high 2023
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 0 | Not reported | 12 of 12 |
| 2001 | 9,444 | Not reported | 12 of 12 |
| 2002 | 5,063 | Not reported | 12 of 12 |
| 2003 | 6,882 | Not reported | 12 of 12 |
| 2004 | −386 | Not reported | 12 of 12 |
| 2005 | −405 | Not reported | 12 of 12 |
| 2006 | −440 | Not reported | 12 of 12 |
| 2007 | 0 | Not reported | 1 of 12 |
| 2008 | 6,386 | Not reported | 3 of 12 |
| 2009 | 55,671 | Not reported | 12 of 12 |
| 2010 | 85,765 | 52.4% | 12 of 12 |
| 2011 | 117,453 | 71.7% | 12 of 12 |
| 2012 | 123,276 | 75.0% | 12 of 12 |
| 2013 | 119,328 | 72.8% | 12 of 12 |
| 2014 | 118,046 | 72.1% | 12 of 12 |
| 2015 | 117,788 | 71.9% | 12 of 12 |
| 2016 | 95,452 | 58.1% | 12 of 12 |
| 2017 | 113,188 | 69.1% | 12 of 12 |
| 2018 | 122,858 | 75.0% | 12 of 12 |
| 2019 | 122,768 | Not reported | 12 of 12 |
| 2020 | 122,769 | 63.5% | 12 of 12 |
| 2021 | 122,768 | 63.7% | 12 of 12 |
| 2022 | 94,207 | 48.9% | 12 of 12 |
| 2023 | 125,510 | 65.1% | 12 of 12 |
| 2024 | 110,644 | 57.3% | 12 of 12 |
| 2025 | 61,357 | 31.8% | 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 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 | Wood/Wood Waste Biomass | 22.0 | August 1959 |
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 L'Anse Warden Electric Company 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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Questions about John H Warden
How much power does John H Warden produce?
John H Warden reported 61,357 MWh (61.4 GWh) of net generation in 2025, a 31.8% capacity factor on 22 MW of nameplate capacity.
Where is John H Warden?
John H Warden is in Baraga County, Michigan, at 46.7553, −88.4558. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates John H Warden?
EIA-860M for August 2026 lists L'Anse Warden Electric Company LLC as the operator (EIA operator ID 56133). The operator is not always the owner.
When did John H Warden start operating?
Its first generator began operating in August 1959, according to EIA-860M.
Does InfraMap have power prices for John H Warden?
Yes. InfraMap has MISO day-ahead and real-time prices at 1 price node linked to John H Warden, 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
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page