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Prices here are state averages across all utilities and rate plans, from the U.S. Energy Information Administration — not the rate on any one bill. Generation-mix figures are reported annually, not real time.

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National Grid Generation LLC

Electric power plant operator — U.S. Energy Information Administration (Forms EIA-860/860M).

Power plants
11
Total nameplate capacity
3,877 MW
States
1
Generators
48

Capacity by technology

Natural Gas Steam Turbine · 3 plants2,731.2 MW
Petroleum Liquids · 7 plants1,039.8 MW
Natural Gas Fired Combustion Turbine · 1 plant106 MW
PlantStateTechnologyCapacity
NorthportNYNatural Gas Steam Turbine1,564 MW
E F BarrettNYNatural Gas Steam Turbine669.2 MW
HoltsvilleNYPetroleum Liquids567 MW
Port JeffersonNYNatural Gas Steam Turbine498 MW
Wading RiverNYPetroleum Liquids238.5 MW
GlenwoodNYPetroleum Liquids110 MW
Glenwood LandingNYNatural Gas Fired Combustion Turbine106 MW
ShorehamNYPetroleum Liquids71.5 MW
East HamptonNYPetroleum Liquids27.3 MW
SoutholdNYPetroleum Liquids14 MW
South HamptonNYPetroleum Liquids11.5 MW

Source: U.S. Energy Information Administration, Forms EIA-860/EIA-860M — currently operating generators, aggregated to plant then to operator.

National Grid Generation LLC — Power Plants & Capacity | EnergyAtlasUSA