Where is Berlin Gorham?

In Coos County, New Hampshire (NH). 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 Berlin Gorham?

44 MW of nameplate capacity across 22 units, as of the EIA-860M release for 2026-07.

Who owns Berlin Gorham?

EIA-860M names Great Lakes Hydro America LLC 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 Berlin Gorham LLC?

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Great Lakes Hydro America LLC 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 "Berlin Gorham LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.

Is Berlin Gorham still running?

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

Berlin Gorham

Berlin Gorham is a 44 MW hydroelectric power plant in Coos County, New Hampshire, operated by Great Lakes Hydro America LLC. EIA-860M lists 22 generating units here, inside ISO New England. Its units entered service between 1914 and 2023.

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: 44.3 MW; 44.4 MW net summer
Generating units: 22
In service: 1914–2023
EIA plant ID: 54639

Where it is

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County: Coos County, New Hampshire
Coordinates: 44.3889, -71.1645
Balancing authority: ISNE
Sector: IPP Non-CHP

Units, technology and status

Operator of record: Great Lakes Hydro America LLC
Primary energy source: Hydro
Technologies: Batteries, Conventional Hydroelectric
Status: Operating

This site runs on more than one energy source. EIA-860M capacity splits: Hydro 30 MW, Battery 14 MW. It is filed here under Hydro, the source with the most capacity.

Every plant Great Lakes Hydro America LLC reports to EIA →

Berlin Gorham: FAQ

Where is Berlin Gorham?: In Coos County, New Hampshire (NH). 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 Berlin Gorham?: 44 MW of nameplate capacity across 22 units, as of the EIA-860M release for 2026-07.
Who owns Berlin Gorham?: EIA-860M names Great Lakes Hydro America LLC 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 Berlin Gorham LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Great Lakes Hydro America LLC 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 "Berlin Gorham LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Berlin Gorham still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.