Grid operator · Company

Niagara Mohawk Power Corp.

Niagara Mohawk Power Corp. is the grid operator for 19 power plants in the United States, with 10,191 MW of capacity connected. It is a subsidiary of National Grid plc.

On its grid

The 19 assets connected to the grid of Niagara Mohawk Power Corp. It is their grid operator, not their owner.

Power plants 19 · 10,191 MW connected

Power plantLocationRoleCapacity
Nine Mile Point Nuclear StationNew York, United StatesGrid operator1,901 MW
Oswego Harbor PowerNew York, United StatesGrid operator1,804 MW
Athens Generating PlantNew York, United StatesGrid operator1,222 MW
Sithe Independence StationNew York, United StatesGrid operator1,158 MW
Bethlehem Energy CenterNew York, United StatesGrid operator893 MW
Empire Generating Co LLCNew York, United StatesGrid operator654 MW
Selkirk CogenNew York, United StatesGrid operator446 MW
Alle-Catt Wind Energy LLCNew York, United StatesGrid operator340 MW
South Ripley SolarNew York, United StatesGrid operator290 MW
Excelsior Energy CenterNew York, United StatesGrid operator280 MW
Mill Point SolarNew York, United StatesGrid operator250 MW
Horseshoe Solar EnergyNew York, United StatesGrid operator180 MW
Oxbow HillNew York, United StatesGrid operator140 MW
Heritage WindNew York, United StatesGrid operator126 MW
Empire Solar (NY)New York, United StatesGrid operator125 MW
Hoffman Falls Wind 2New York, United StatesGrid operator104 MW
Flint Mine SolarNew York, United StatesGrid operator100 MW
Riverside Solar LLCNew York, United StatesGrid operator100 MW
Copenhagen Wind FarmNew York, United StatesGrid operator79.9 MW

By country

Where the assets and rights are.

Group

Parent companies

From Niagara Mohawk Power Corp. up to its ultimate parent in the data.

  1. Niagara Mohawk Power Corp.
  2. National Grid plc

Partners and counterparties

Owners, operators and grid operators on the same assets.

Facts

FactValueSource
LocationUnited StatesGLEIF LEI · record · CC0 1.0 · checked 25 Oct 2026
LEI3T97Y9RR5EN5Y18QHB56Rare Context entity resolution · record · CC0 1.0 · checked 25 Oct 2026
GLEIF LEI · record · CC0 1.0 · checked 25 Oct 2026
Company number57726GLEIF LEI · record · CC0 1.0 · checked 25 Oct 2026

Also recorded as

Sources name Niagara Mohawk Power Corp. under 2 records; this page joins them. Links to any of them lead here.

Name in the sourceIdentifierSource
Niagara Mohawk Power Corp.party:eia-utility:13573EIA-860 / 860M / 923
NIAGARA MOHAWK POWER CORPORATIONparty:lei:3T97Y9RR5EN5Y18QHB56GLEIF LEI

Research on Niagara Mohawk Power Corp.Who owns the assets on its grid, where it has capacity left and how long its queue is, and an introduction to the people who decide on connections.

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Data on this page