Where is Oakdale Power Station?

In Worcester County, Massachusetts (MA). 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 Oakdale Power Station?

4 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.

Who owns Oakdale Power Station?

EIA-860M names Massachusetts Water Res Auth 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 Oakdale Power Station LLC?

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Massachusetts Water Res Auth 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 "Oakdale Power Station LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.

Is Oakdale Power Station still running?

EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.

Oakdale Power Station

Oakdale Power Station is a 4 MW hydroelectric power plant in Worcester County, Massachusetts, operated by Massachusetts Water Res Auth. EIA-860M lists 1 generating unit here, inside ISO New England. Its unit entered service in 1951.

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: 3.5 MW; 3 MW net summer
Generating units: 1
In service: 1951
EIA plant ID: 10824

Where it is

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County: Worcester County, Massachusetts
Coordinates: 42.387, -71.8025
Balancing authority: ISNE
Sector: IPP Non-CHP

Units, technology and status

Operator of record: Massachusetts Water Res Auth
Primary energy source: Hydro
Technologies: Conventional Hydroelectric
Status: Operating

Every plant Massachusetts Water Res Auth reports to EIA →

Oakdale Power Station: FAQ

Where is Oakdale Power Station?: In Worcester County, Massachusetts (MA). 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 Oakdale Power Station?: 4 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns Oakdale Power Station?: EIA-860M names Massachusetts Water Res Auth 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 Oakdale Power Station LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Massachusetts Water Res Auth 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 "Oakdale Power Station LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Oakdale Power Station still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.