West Babylon
Suffolk County, New York · EIA plant ID 2521 · Operator: National Grid Generation LLC
Nameplate52MWSummer 50 MW
Generators1in service
Net generation—GWh12 mo
Capacity factor—no 923 generation in the last 12 months
Heat rate—Btu/kWhfossil units, electric fuel, HHV
First online1971
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), primary-fuel units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2001 | 1.9 | 0.4% | 15,871 |
| 2002 | 5.7 | 1.3% | 14,331 |
| 2003 | 7.4 | 1.8% | 13,494 |
| 2004 | 2.7 | 0.6% | 19,863 |
| 2005 | 3.1 | 0.7% | 14,754 |
| 2006 | 2.2 | 0.5% | 16,324 |
| 2007 | 0.9 | 0.2% | 18,804 |
| 2008 | 2.3 | 0.5% | 15,463 |
| 2009 | 0.2 | 0.1% | — |
| 2010 | 1.4 | 0.3% | 17,960 |
| 2011 | 3.8 | 0.9% | 14,401 |
| 2012 | 1.7 | 0.4% | 15,759 |
| 2013 | 2.3 | 0.5% | 15,163 |
| 2014 | 2.1 | 0.5% | 14,849 |
| 2015 | 0.8 | 0.2% | 19,974 |
| 2016 | 4.2 | 0.9% | 14,626 |
| 2017 | 0.7 | 0.2% | 20,620 |
| 2018 | 1.9 | 0.4% | 15,718 |
| 2019 | 3 | 0.7% | 14,831 |
| 2020 | 1.6 | 0.4% | 16,611 |
| 2021 | 0.3 | 0.1% | 27,126 |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| 4 | Petroleum Liquids | GT | 52.4 | 49.7 | Aug 1971 | Operating (Standby / backup) | — | coming soon |
Owner / operator
Operator: National Grid Generation LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| National Grid Generation LLC | 100.0% | 52 MW |
Nearby plants
Within 80 km.
| KCE NY 30, LLC | — | 0.3 km |
| SL Babylon | 9 MW | 4.6 km |
| Covanta Babylon Inc | 17 MW | 5.4 km |
| Pinelawn Power LLC | 82 MW | 5.7 km |
| South Oaks Hospital | 1 MW | 6.6 km |
| Dennison | 2 MW | 7.8 km |