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131.6 MW Natural Gas operating in Marathon, WI — Midcontinent Independent Transmission System Operator, Inc..
131.6 MW
Nameplate Capacity
7
Generators
units
Natural Gas Internal Combustion Engine
Technology
2023
Operating Since
Coordinates
44.8564, -89.6540
County
Marathon, WI
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Wisconsin Public Service Corp | Wisconsin Electric Power | — |
| Owner(s) | Wisconsin Electric Power Co, Wisconsin Public Service Corp | WEC Energy Group | — |
| Status | Operating | — | — |
The Weston RICE plant is a natural gas-fueled power plant located in Marathon County, Wisconsin. The plant has a total capacity of 131.6 MW consisting of 7 natural gas internal combustion engine generators. It began operating in 2023 and is owned by WEC Energy Group and operated by Wisconsin Public Service Corp. The plant operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority.
In its most recent year of operation, the Weston RICE plant generated 85,471 MWh of electricity, achieving a capacity factor of 7.4%. The plant's installed cost was $1,393.02 per kW, according to FERC data. The Weston RICE plant is ranked as the 18th largest power plant out of 19 in Wisconsin, and 854th out of 945 nationally. The plant is located within the RFC NERC region.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
115.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
7.5K MWh
Latest Month
85.5K MWh
Annual Generation
7.4%
Capacity Factor
CO₂ Intensity
1005 lb/MWh
NOx
24 lb/MWh
SO₂
0.027 lb/MWh
CH₄
0.019 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
4.2%
Annual Net Gen
49 GWh
CO₂eq
1006 lb/MWh
Subregion
MRO East
Internal combustion · Wisconsin Public Service Corporation · Data from 2023–2024
$1,395/kW
Installed Cost
$2/kW
Annual CapEx
$35.9/MWh
Operating Cost
Market Position
ISO/RTO Market
MISO
LMP Node
WPS.WESTON4
Pricing Hub
MICHIGAN.HUB
Alt. Hub / Zone
MINN.HUB
Location Type
Generation Node
Node Source
Curated node match
Last updated 2026-03-26
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