Willow Island Hydroelectric Plant
Willow Island Hydroelectric Plant is a 44 MW hydroelectric power plant in Pleasants County, West Virginia, operated by American Mun Power-Ohio, Inc. EIA-860M lists 2 generating units here, inside PJM. Its units entered service in 2016.
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
- 44 MW
- 44 MW net summer
- Generating units
- 2
- In service
- 2016
- EIA plant ID
- 57401
Where it is
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- County
- Pleasants County, West Virginia
- Coordinates
- 39.3578, -81.3179
- Balancing authority
- PJM
- Sector
- Electric Utility
Units, technology and status
- Operator of record
- American Mun Power-Ohio, Inc
- Primary energy source
- Hydro
- Technologies
- Conventional Hydroelectric
- Status
- Operating
Willow Island Hydroelectric Plant: FAQ
- Where is Willow Island Hydroelectric Plant?
- In Pleasants County, West Virginia (WV). 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 Willow Island Hydroelectric Plant?
- 44 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
- Who owns Willow Island Hydroelectric Plant?
- EIA-860M names American Mun Power-Ohio, Inc 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 Willow Island Hydroelectric Plant LLC?
- Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — American Mun Power-Ohio, Inc 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 "Willow Island Hydroelectric Plant LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
- Is Willow Island Hydroelectric Plant still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.