National Grid Generation LLC opera 13 centrales eléctricas en 1 país, con una capacidad instalada combinada de 3,947 MW. Sus centrales con datos medidos emiten en conjunto 488,271 t CO₂/año.
| Central | Combustible | País | MW | t CO₂/año |
|---|---|---|---|---|
| Northport | Gas | United States of America | 1,564 | — |
| E F Barrett | Gas | United States of America | 669 | — |
| Holtsville | Oil | United States of America | 567 | 19,891 |
| Port Jefferson | Gas | United States of America | 498 | 236,517 |
| Wading River | Oil | United States of America | 238 | 15,373 |
| Glenwood Landing | Gas | United States of America | 122 | 86,061 |
| Glenwood | Oil | United States of America | 110 | 86,061 |
| Shoreham | Oil | United States of America | 72 | 9,689 |
| West Babylon | Oil | United States of America | 52 | — |
| East Hampton | Oil | United States of America | 27 | 17,931 |
| Southold | Oil | United States of America | 14 | 9,195 |
| South Hampton | Oil | United States of America | 12 | 7,553 |
| East Pulaski BESS | Storage | United States of America | 2 | — |
Propiedad y capacidad: WRI Global Power Plant Database (CC BY 4.0). CO₂ medido cuando se declara a EPA/EU ETS/Climate TRACE.