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83 MW Natural Gas operating in Marinette, WI
83 MW
Nameplate Capacity
1
Generators
unit
Natural Gas Fired Combustion Turbine
Technology
2000
Operating Since
Coordinates
45.0869, -87.6904
County
Marinette, WI
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Madison Gas & Electric Co | Madison Gas & Electric | — |
| Owner(s) | Madison Gas & Electric Co | MGE Energy | — |
| Status | Operating | — | — |
West Marinette 34 is an 83 MW natural gas-fired combustion turbine power plant located in Marinette County, Wisconsin. The plant, which began operating in 2000, has one generator and is owned by MGE Energy and operated by Madison Gas & Electric Co. It is interconnected to the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority and resides within the MRO NERC region. West Marinette 34 ranks as the 21st largest power plant in Wisconsin out of 35, and 994th nationally out of 1963.
In the most recent year of data, the plant generated 43,646 MWh of electricity, resulting in a capacity factor of 6.0%. Financial data indicates an installed cost of $384.18 per kW, based on FERC filings.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
138.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
3.8K MWh
Latest Month
43.6K MWh
Annual Generation
6.0%
Capacity Factor
Forward-looking generation outlook with probabilistic ranges across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
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Gas turbine · Madison Gas and Electric Company · Data from 2015–2024
$387/kW
Installed Cost
$6/kW
Annual CapEx
$52.8/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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Point of Interconnection
Nearest Substation
West Marinette Substation · 138 kV
Substation Distance
< 10 km
Operator
American Transmission Company
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
MGE.WMARIN034
Pricing Hub
MICHIGAN.HUB
Location Type
Generation Node
Node Source
EIA-860 direct report
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
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