51 MW Natural Gas Fired Combustion Turbine (50 MW) + Petroleum Liquids (1 MW) operating in Osceola, MI — Midcontinent Independent Transmission System Operator, Inc..
51 MW
Nameplate Capacity
3
Generators
units
Hybrid (2)
Technology
Natural Gas Fired Combustion Turbine + Petroleum Liquids
1993
Operating Since
Coordinates
43.8393, -85.4253
County
Osceola, MI
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Wolverine Power Supply Coop | — | — |
| Owner(s) | Wolverine Power Supply Coop | — | — |
| Status | Operating | — | — |
The George Johnson plant is a 51 MW hybrid power plant located in Osceola County, Michigan. The plant, which began operating in 1993, is owned and operated by Wolverine Power Supply Cooperative. The facility utilizes three generators firing primarily natural gas, with petroleum liquids also listed as a fuel. It is connected to the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority and is situated within the ReliabilityFirst Corporation (RFC) NERC region.
In the most recent year with available data, the George Johnson plant generated 34,032 MWh of electricity, achieving a capacity factor of 7.6%. Based on total capacity, the plant is ranked 33rd out of 62 power plants in Michigan and 1099th out of 1963 plants nationally.
Generated from EIA, GEM, and public data sources
NERC Region
RFC
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc..
Grid Voltage
69 kV
Regulatory Status
RE
Entity Type
Cooperative
Sector
Electric Utility
2.6K MWh
Latest Month
34.0K MWh
Annual Generation
7.6%
Capacity Factor
No financial data available for this plant.
Market Position
ISO/RTO Market
MISO
LMP Node
—
Pricing Hub
MICHIGAN.HUB
Node Source
OSM spatial match
Last updated 2026-03-14
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