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274.7 MW Natural Gas Steam Turbine (272 MW) + Petroleum Liquids (3 MW) operating in Milwaukee, WI — Midcontinent Independent Transmission System Operator, Inc..
274.7 MW
Nameplate Capacity
3
Generators
units
Hybrid (2)
Technology
Natural Gas Steam Turbine + Petroleum Liquids
1968
Operating Since
Coordinates
43.0303, -87.9233
County
Milwaukee, WI
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Wisconsin Electric Power Co | Wisconsin Electric Power | — |
| Owner(s) | Wisconsin Electric Power Co | WEC Energy Group | — |
| Status | Operating | — | — |
Valley Power Plant is an intermediate load, natural gas fired, electrical power station located in Milwaukee, Wisconsin. It is owned by We Energies. The plant is a cogeneration facility supplying steam to 480 customers and 280 MW of electricity.
Read more on WikipediaThe Valley power plant, located in Milwaukee County, Wisconsin, has a total capacity of 274.7 MW across three generators. The plant's primary fuel is natural gas, and it also utilizes petroleum liquids. It began operating in 1968 and is owned by WEC Energy Group, with Wisconsin Electric Power Co. as the EIA operator. The plant incorporates natural gas steam turbine technology and is classified as a hybrid facility.
Valley operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority and the ReliabilityFirst Corporation (RFC) NERC region. The plant's latest annual generation was 369,729 MWh, resulting in a capacity factor of 15.3%. According to available data, the installed cost per kW was $848.13, based on FERC filings. Valley is ranked as the 14th largest power plant out of 19 in Wisconsin, and 673rd out of 945 nationally.
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
138.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
30.7K MWh
Latest Month
369.7K MWh
Annual Generation
15.3%
Capacity Factor
CO₂ Intensity
787 lb/MWh
NOx
0.418 lb/MWh
SO₂
0.004 lb/MWh
CH₄
0.015 lb/MWh
N₂O
0.001 lb/MWh
Capacity Factor
15.7%
Annual Net Gen
377 GWh
CO₂eq
788 lb/MWh
Subregion
RFC West
Steam turbine · Wisconsin Electric Power Company · Data from 2022–2024
$871/kW
Installed Cost
$22/kW
Annual CapEx
$82.6/MWh
Operating Cost
Point of Interconnection
Nearest Substation
WE Energies Valley Substation
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
WEC.VALLYGA1
Pricing Hub
MICHIGAN.HUB
Alt. Hub / Zone
ILLINOIS.HUB
Location Type
Generation Node
Node Source
EIA-860 direct report
Last updated 2026-03-14
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