Salem Harbor Power Development LP

Salem Harbor Power Development LP is a 798 MW natural gas power plant in Essex County, Massachusetts, operated by Salem Harbor Power Development LP. EIA-860M lists 4 generating units here, inside ISO New England. Its units entered service in 2018.

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
798.2 MW
675 MW net summer
Generating units
4
In service
2018
EIA plant ID
60903

Where it is

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County
Essex County, Massachusetts
Coordinates
42.5255, -70.8782
Balancing authority
ISNE
Sector
IPP Non-CHP

Units, technology and status

Operator of record
Salem Harbor Power Development LP
Primary energy source
Natural gas
Technologies
Natural Gas Fired Combined Cycle
Status
Operating

Every plant Salem Harbor Power Development LP reports to EIA →

Salem Harbor Power Development LP: FAQ

Where is Salem Harbor Power Development LP?
In Essex 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 Salem Harbor Power Development LP?
798 MW of nameplate capacity across 4 units, as of the EIA-860M release for 2026-07.
Who owns Salem Harbor Power Development LP?
EIA-860M names Salem Harbor Power Development LP as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
Is Salem Harbor Power Development LP still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.