gridprims

Power plant · EIA plant code 2692

Lewiston Niagara

Operator
New York Power Authority
Location
Niagara, NY (county level only)
Balancing authority
New York Independent System Operator (NYIS)
Nameplate capacity
240 MW
Summer capacity
240 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
-244,719 MWh
Capacity factor
Net consumer of energy

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

eGRID2023 (revision 2) reports no carbon dioxide for this plant.

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 Lewiston Niagara
GeneratorTechnologyEnergy sourceNameplateOperating sinceStatus
1Hydroelectric Pumped StorageWAT20 MW1961Operable · As of September 2026 (EIA-860M): (OP) Operating
10Hydroelectric Pumped StorageWAT20 MW1962Operable · As of September 2026 (EIA-860M): (OP) Operating
11Hydroelectric Pumped StorageWAT20 MW1962Operable · As of September 2026 (EIA-860M): (OP) Operating
12Hydroelectric Pumped StorageWAT20 MW1962Operable · As of September 2026 (EIA-860M): (OP) Operating
2Hydroelectric Pumped StorageWAT20 MW1961Operable · As of September 2026 (EIA-860M): (OA) Out of service but expected to return to service in next calendar year
3Hydroelectric Pumped StorageWAT20 MW1961Operable · As of September 2026 (EIA-860M): (OP) Operating
4Hydroelectric Pumped StorageWAT20 MW1962Operable · As of September 2026 (EIA-860M): (OP) Operating
5Hydroelectric Pumped StorageWAT20 MW1962Operable · As of September 2026 (EIA-860M): (OP) Operating
6Hydroelectric Pumped StorageWAT20 MW1962Operable · As of September 2026 (EIA-860M): (OP) Operating
7Hydroelectric Pumped StorageWAT20 MW1962Operable · As of September 2026 (EIA-860M): (OP) Operating
8Hydroelectric Pumped StorageWAT20 MW1962Operable · As of September 2026 (EIA-860M): (OP) Operating
9Hydroelectric Pumped StorageWAT20 MW1962Operable · 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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