Where is Little Mac Project?

In Twin Falls County, Idaho (ID). 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 Little Mac Project?

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

Who owns Little Mac Project?

EIA-860M names Little Mac Power Company 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 Little Mac Project LLC?

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

Is Little Mac Project still running?

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

Little Mac Project

Little Mac Project is a 2 MW hydroelectric power plant in Twin Falls County, Idaho, operated by Little Mac Power Company. EIA-860M lists 4 generating units here. Its units entered service in 1984.

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: 1.5 MW; 1.5 MW net summer
Generating units: 4
In service: 1984
EIA plant ID: 10049

Where it is

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County: Twin Falls County, Idaho
Coordinates: 42.6296, -114.6616
Balancing authority: IPCO
Sector: IPP Non-CHP

Units, technology and status

Operator of record: Little Mac Power Company
Primary energy source: Hydro
Technologies: Conventional Hydroelectric
Status: Operating

Every plant Little Mac Power Company reports to EIA →

Little Mac Project: FAQ

Where is Little Mac Project?: In Twin Falls County, Idaho (ID). 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 Little Mac Project?: 2 MW of nameplate capacity across 4 units, as of the EIA-860M release for 2026-07.
Who owns Little Mac Project?: EIA-860M names Little Mac Power Company 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 Little Mac Project LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Little Mac Power Company 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 "Little Mac Project LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Little Mac Project still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.