gridprims

Power plant · EIA plant code 2516

Northport

Operator
National Grid Generation LLC
Location
Suffolk, NY (county level only)
Balancing authority
New York Independent System Operator (NYIS)
Nameplate capacity
1,564 MW
Summer capacity
1,604 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
4,088,643 MWh
Capacity factor
29.8%

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
1,411,166 metric tons
Carbon dioxide per MWh
1,302 lb/MWh

eGRID reports 1,555,545 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 Northport
GeneratorTechnologyEnergy sourceNameplateOperating sinceStatus
2Natural Gas Steam TurbineNG387 MW1968Operable · As of September 2026 (EIA-860M): (OP) Operating
3Natural Gas Steam TurbineNG387 MW1972Operable · As of September 2026 (EIA-860M): (OP) Operating
4Natural Gas Steam TurbineNG387 MW1977Operable · As of September 2026 (EIA-860M): (OP) Operating
GT1Petroleum LiquidsDFO16 MW1967Operable · As of September 2026 (EIA-860M): (OP) Operating
ST1Natural Gas Steam TurbineNG387 MW1967Operable · 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

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