How many power plants does Granite Shore Power operate?

EIA-860M lists 5 operating plants against “Granite Shore Power” for 2026-07, totalling 968 MW of nameplate capacity in 1 state.

Is Granite Shore Power the owner of these plants?

EIA-860M names one reporting entity per generator. That entity operates the plant on the survey; ownership can sit with a parent, a partnership or a tax-equity structure that the form does not record.

Why are affiliates listed separately?

Because EIA files them separately. Rolling subsidiaries into a parent would need an ownership map EIA-860M does not publish, so this page does not invent one.

Granite Shore Power plants

Every generating plant EIA-860M files against Granite Shore Power for 2026-07: 5 plants, 968 MW of nameplate capacity, across 1 state and 2 energy sources.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Plants: 5
Nameplate capacity: 968 MW
States: 1; NH
Energy sources: 2

Granite Shore Power plants by energy source

Coal1 plants · 496 MW
Petroleum4 plants · 472 MW

Full list of Granite Shore Power plants

Power plants operated by Granite Shore Power

Merrimack2 technologies	Granite Shore Power	Merrimack	496.4	4	1960	Operating
NewingtonPetroleum Liquids	Granite Shore Power	Rockingham	414	1	1974	Operating
SchillerPetroleum Liquids	Granite Shore Power	Rockingham	21.2	1	1970	Operating
White LakePetroleum Liquids	Granite Shore Power	Carroll	18.6	1	1968	Operating
Lost NationPetroleum Liquids	Granite Shore Power	Coos	18	1	1969	Operating

Granite Shore Power: FAQ

How many power plants does Granite Shore Power operate?: EIA-860M lists 5 operating plants against “Granite Shore Power” for 2026-07, totalling 968 MW of nameplate capacity in 1 state.
Is Granite Shore Power the owner of these plants?: EIA-860M names one reporting entity per generator. That entity operates the plant on the survey; ownership can sit with a parent, a partnership or a tax-equity structure that the form does not record.
Why are affiliates listed separately?: Because EIA files them separately. Rolling subsidiaries into a parent would need an ownership map EIA-860M does not publish, so this page does not invent one.