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Regeneron Pharmaceuticals Inc.

Westchester County, New York · EIA plant ID 62423 · Operator: Regeneron Pharmaceuticals Inc.
OilNatural Gas Internal Combustion EnginePetroleum LiquidsSolar PhotovoltaicNYISOBA: NYIS

×1 MW natural gas retired since 2020 (latest Apr 2021)

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Nameplate32MWSummer 30 MW
Generators20in service
Net generation2GWh12 mo to Dec 2025
Capacity factor0%gas/coal/oil units, summer MW
Heat rate12,126Btu/kWhfossil units, electric fuel, HHV
First online2009Runs as rarely runs

Monthly net generation

EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
0100200300400MWh20182019202020212022202320242025

Capacity factor by year

Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
0%0%0%2018201920202021202220232024202520260.1% · 12 mo

Heat rate by year

Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
010,00020,00020182019202020212022202320242025202612,126 Btu/kWh · 12 mo
Annual data table
YearNet GWhCapacity factorHeat rate (Btu/kWh)
20180.50.4%8,842
20190.50.4%6,262
20200.30.3%7,563
20210.10.1%20,167
20220.10.1%14,154
202300.0%22,444
20242.10.1%15,347
20252.20.1%12,126

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 IDTechnologyPrime moverNameplate MWSummer MWOnlineStatusPlanned retirementOEM / model
735G1Petroleum LiquidsIC1.51.5Aug 2009Operating (Standby / backup)—coming soon
735G2Petroleum LiquidsIC11Aug 2009Operating (Standby / backup)—coming soon
745G1Petroleum LiquidsIC21.5Apr 2016Operating (Standby / backup)—coming soon
745G2Petroleum LiquidsIC21.5Apr 2016Operating (Standby / backup)—coming soon
765G1Petroleum LiquidsIC2.52.5Apr 2016Operating (Standby / backup)—coming soon
765G2Petroleum LiquidsIC22Jan 2020Operating (Standby / backup)—coming soon
771NGNatural Gas Internal Combustion EngineIC0.80.8Jan 2010Operating (Standby / backup)—coming soon
775G1Petroleum LiquidsIC22May 2025Operating (Standby / backup)—coming soon
775G2Petroleum LiquidsIC22May 2025Operating (Standby / backup)—coming soon
777G1Petroleum LiquidsIC11Feb 2013Operating (Standby / backup)—coming soon
777G2Petroleum LiquidsIC2.52.5Mar 2020Operating (Standby / backup)—coming soon
785G1Petroleum LiquidsIC1.51Apr 2015Operating (Standby / backup)—coming soon
795G1Petroleum LiquidsIC22Apr 2015Operating (Standby / backup)—coming soon
795G2Petroleum LiquidsIC22Apr 2015Operating (Standby / backup)—coming soon
899G1Petroleum LiquidsIC2.52.5Mar 2025Operating (Standby / backup)—coming soon
B17PVSolar PhotovoltaicPV0.10.1Dec 2024Operating—coming soon
MBLG1Petroleum LiquidsIC1.51.5Jul 2025Operating (Standby / backup)—coming soon
MBLG2Petroleum LiquidsIC1.51.5Jul 2025Operating (Standby / backup)—coming soon
P19PVSolar PhotovoltaicPV0.80.8Jan 2023Operating—coming soon
P9PVSolar PhotovoltaicPV0.40.5Jan 2023Operating—coming soon
777NGNatural Gas Internal Combustion EngineIC0.40.4Feb 2013Retired Apr 2021—coming soon
778NGNatural Gas Internal Combustion EngineIC0.20.2Feb 2013Retired Apr 2021—coming soon

Owner / operator

Operator: Regeneron Pharmaceuticals Inc.. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
Regeneron Pharmaceuticals Inc.100.0%32 MW

Nearby plants

Within 80 km.
Regeneron Tarrytown2 MW0.2 km
Equinix - Elmsford2 MW0.9 km
EDF - Liberty NY - Real Term CSG2 MW1.4 km
Westchester County Medical Center6 MW1.9 km
JLL-One Rockwood Road3 MW4.8 km
Mt Pleasant Community Center1 MW4.9 km