Valley (WI)

Valley (WI) is a 275 MW natural gas power plant in Milwaukee County, Wisconsin, operated by Wisconsin Electric Power Co. EIA-860M lists 3 generating units here, inside MISO. Its units entered service between 1968 and 1969.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Nameplate capacity
274.7 MW
266.6 MW net summer
Generating units
3
In service
1968–1969
EIA plant ID
4042

Where it is

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County
Milwaukee County, Wisconsin
Coordinates
43.0303, -87.9233
Balancing authority
MISO
Sector
Electric Utility

Units, technology and status

Operator of record
Wisconsin Electric Power Co
Primary energy source
Natural gas
Technologies
Natural Gas Steam Turbine, Petroleum Liquids
Status
Operating (2) · Standby/Backup (1)

This site runs on more than one energy source. EIA-860M capacity splits: Natural gas 272 MW, Petroleum 3 MW. It is filed here under Natural gas, the source with the most capacity.

Every plant Wisconsin Electric Power Co reports to EIA →

Valley (WI): FAQ

Where is Valley (WI)?
In Milwaukee County, Wisconsin (WI). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
How big is Valley (WI)?
275 MW of nameplate capacity across 3 units, as of the EIA-860M release for 2026-07.
Who owns Valley (WI)?
EIA-860M names Wisconsin Electric Power Co as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
Is this the same as Valley (WI) LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Wisconsin Electric Power Co here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "Valley (WI) LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Valley (WI) still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.