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298.1 MW Natural Gas Fired Combustion Turbine (249 MW) + Natural Gas Internal Combustion Engine (49 MW) operating in Chippewa, WI — Midcontinent Independent Transmission System Operator, Inc..
298.1 MW
Nameplate Capacity
6
Generators
units
Hybrid (2)
Technology
Natural Gas Fired Combustion Turbine + Natural Gas Internal Combustion Engine
2025
Operating Since
Coordinates
44.8854, -91.5158
County
Chippewa, WI
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Northern States Power Co - Minnesota | — | — |
| Owner(s) | Northern States Power Co - Minnesota | — | — |
| Status | Operating | — | — |
The Wheaton power plant, identified by plant ID 4014, is located in Chippewa County, Wisconsin. It has a total capacity of 298.1 MW across six generators, utilizing both natural gas-fired combustion turbine and natural gas internal combustion engine technologies. The primary fuel source is natural gas (NG). Northern States Power Co - Minnesota operates the facility, which is a hybrid plant.
Wheaton operates within the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority and the NERC MRO region. In the most recent year with available data, the plant generated 18,592 MWh, achieving a capacity factor of 0.7%. The installed cost per kW was $181.9, according to FERC data. Wheaton is ranked as the 12th largest power plant out of 19 in Wisconsin, and 646th out of 945 nationally.
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
161.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
1.1K MWh
Latest Month
18.6K MWh
Annual Generation
0.7%
Capacity Factor
CO₂ Intensity
0 lb/MWh
NOx
4 lb/MWh
SO₂
0.088 lb/MWh
CH₄
0.185 lb/MWh
N₂O
0.033 lb/MWh
Capacity Factor
1.4%
Annual Net Gen
31 GWh
CO₂eq
14 lb/MWh
Subregion
MRO West
Gas turbine · Northern States Power Company (Wisconsin) · Data from 2015–2024
$179/kW
Installed Cost
$-58/kW
Annual CapEx
$139.2/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Market Position
ISO/RTO Market
MISO
LMP Node
NSP.WHEATON_08
Pricing Hub
MICHIGAN.HUB
Alt. Hub / Zone
MINN.HUB
Location Type
Generation Node
Node Source
Curated node match
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