gridprims

Power plant · EIA plant code 7488

NSB Wainwright Utility

Operator
North Slope Borough Power & Light (AK)
Location
North Slope, AK (county level only)
Balancing authority
Not reported
Nameplate capacity
3 MW
Summer capacity
3 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
6,811 MWh
Capacity factor
25.9%

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
5,684 metric tons
Carbon dioxide per MWh
1,832 lb/MWh

eGRID reports 6,266 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 NSB Wainwright Utility
GeneratorTechnologyEnergy sourceNameplateOperating sinceStatus
PG1Petroleum LiquidsDFO0.4 MW1988Operable · As of September 2026 (EIA-860M): (OP) Operating
PG2Petroleum LiquidsDFO0.4 MW1988Operable · As of September 2026 (EIA-860M): (OP) Operating
PG3Petroleum LiquidsDFO0.4 MW1989Operable · As of September 2026 (EIA-860M): (OP) Operating
PG4APetroleum LiquidsDFO0.9 MW2001Operable · As of September 2026 (EIA-860M): (OP) Operating
PG5Petroleum LiquidsDFO0.9 MW2001Operable · 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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