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.
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.