gridprims

Power plant · EIA plant code 60903

Salem Harbor Power Development LP

Operator
Salem Harbor Power Development LP
Location
Essex, MA (county level only)
Balancing authority
ISO New England Inc. (ISNE)
Nameplate capacity
798.2 MW
Summer capacity
675 MW

U.S. Energy Information Administration · Annual Electric Generator Report (Form EIA-860) · data for 2025 · as of Sep 10, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0

Generation in 2025

Net generation
1,793,994 MWh
Capacity factor
25.7%

Capacity factor is net generation divided by nameplate capacity times the hours each generator was in service that year, counted by month.

U.S. Energy Information Administration · Power Plant Operations Report (Form EIA-923) · data for 2025 · as of Sep 11, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0

Emissions

Carbon dioxide in 2023
277,414 metric tons
Carbon dioxide per MWh
877 lb/MWh

eGRID reports 305,797 short tons. One short ton is 0.90718474 metric tons.

Emissions are for 2023, the newest eGRID year. Generation is for 2025, the newest EIA-923 year.

U.S. Environmental Protection Agency · Emissions & Generation Resource Integrated Database (eGRID) · data for 2023 · as of Jun 16, 2025 · retrieved Oct 31, 2026 · CC-BY-4.0

Generators

Generators at Salem Harbor Power Development LP
GeneratorTechnologyEnergy sourceNameplateOperating sinceStatus
1Natural Gas Fired Combined CycleNG158.4 MW2018Operable · As of September 2026 (EIA-860M): (OP) Operating
2Natural Gas Fired Combined CycleNG158.4 MW2018Operable · As of September 2026 (EIA-860M): (OP) Operating
3Natural Gas Fired Combined CycleNG240.7 MW2018Operable · As of September 2026 (EIA-860M): (OP) Operating
4Natural Gas Fired Combined CycleNG240.7 MW2018Operable · As of September 2026 (EIA-860M): (OP) Operating

U.S. Energy Information Administration · Monthly Update to the Annual Electric Generator Report (Form EIA-860M) · data for 2026-09 · as of Oct 23, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0

Report a problem

Tell us what looks wrong. The report holds only what you see in the preview below. Nothing is sent until you press Send.

Exactly what will be sent