George Johnson
Natural gas power plant in Osceola County, Michigan. 50 MW of nameplate capacity across 2 generators, operated by Wolverine Power Supply Coop.
Also known as George Johnson Power Plant · EIA plant 1877
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 50 MWNameplate
- Generators
- 2 operatingEIA-860M, August 2026
- Operating since
- June 2000First generator online
- Operator
- Wolverine Power Supply CoopEIA operator ID 20910
- Grid
- MISOBalancing authority MISO
- Price nodes
- 2 MISO nodesResource nodes with prices
- Location
- Osceola County, MI43.8393, −85.4260
- EIA plant ID
- 1877EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power George Johnson produces
Free · EIA-923Net generation, 2025
42.7 GWh
42,719 MWh, final
Capacity factor, 2025
9.6%
2024: 7.6%
January to July 2026
Not reported
Provisional. 0 of 7 months reported
Range, 2015 to 2025
7.9–52.9
GWh a year. Low 2015, high 2016
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 0 | Not reported | 12 of 12 |
| 2001 | 37,756 | Not reported | 12 of 12 |
| 2002 | 41,478 | Not reported | 12 of 12 |
| 2003 | 16,213 | Not reported | 11 of 12 |
| 2004 | 14,956 | Not reported | 12 of 12 |
| 2005 | 32,881 | Not reported | 12 of 12 |
| 2006 | 13,519 | Not reported | 12 of 12 |
| 2007 | 32,063 | Not reported | 12 of 12 |
| 2008 | Not reported | Not reported | 0 of 12 |
| 2009 | Not reported | Not reported | 0 of 12 |
| 2010 | 20,264 | 4.5% | 12 of 12 |
| 2011 | 312 | 0.1% | 12 of 12 |
| 2012 | 13,437 | 3.0% | 12 of 12 |
| 2013 | 6,128 | 1.4% | 12 of 12 |
| 2014 | 7,777 | 1.7% | 12 of 12 |
| 2015 | 7,912 | 1.8% | 12 of 12 |
| 2016 | 52,943 | 11.8% | 12 of 12 |
| 2017 | 30,663 | 6.9% | 12 of 12 |
| 2018 | 39,910 | 8.9% | 12 of 12 |
| 2019 | 26,134 | 5.8% | 12 of 12 |
| 2020 | 20,755 | 4.6% | 12 of 12 |
| 2021 | 37,125 | 8.3% | 12 of 12 |
| 2022 | 45,958 | 10.3% | 12 of 12 |
| 2023 | 19,063 | 4.3% | 12 of 12 |
| 2024 | 34,032 | 7.6% | 12 of 12 |
| 2025 | 42,719 | 9.6% | 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 |
|---|---|---|---|
| 9 | Natural Gas Fired Combustion Turbine | 25.0 | June 2000 |
| 10 | Natural Gas Fired Combustion Turbine | 25.0 | 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 Wolverine Power Supply Coop 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 George Johnson
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Questions about George Johnson
How much power does George Johnson produce?
George Johnson reported 42,719 MWh (42.7 GWh) of net generation in 2025, a 9.6% capacity factor on 50 MW of nameplate capacity.
Where is George Johnson?
George Johnson is in Osceola County, Michigan, at 43.8393, −85.4260. It is in the Midcontinent Independent Transmission System Operator, Inc.. balancing area (MISO).
Who operates George Johnson?
EIA-860M for August 2026 lists Wolverine Power Supply Coop as the operator (EIA operator ID 20910). The operator is not always the owner.
When did George Johnson start operating?
Its first generator began operating in June 2000, according to EIA-860M.
Does InfraMap have power prices for George Johnson?
Yes. InfraMap has MISO day-ahead and real-time prices at 2 price nodes linked to George Johnson, 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