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22.2 MW Natural Gas Internal Combustion Engine (1 MW) + Petroleum Liquids (20 MW) + Solar Photovoltaic (1 MW) standby in Westchester, NY — New York Independent System Operator
22.2 MW
Nameplate Capacity
15
Generators
units
Hybrid (3)
Technology
Natural Gas Internal Combustion Engine + Petroleum Liquids + Solar Photovoltaic
2009
Operating Since
Coordinates
41.0787, -73.8223
County
Westchester, NY
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Regeneron Pharmaceuticals Inc. | — | — |
| Owner(s) | Regeneron Pharmaceuticals Inc. | — | — |
| Status | Standby | operating | — |
Located in Westchester County, New York, the Regeneron Pharmaceuticals Inc. power plant has a total capacity of 22.2 MW across 15 generators. The plant, owned and operated by Regeneron Pharmaceuticals Inc., commenced operations in 2009. It is a hybrid facility utilizing multiple technologies, including natural gas internal combustion engines, petroleum liquids, and solar photovoltaic. The primary fuel source is distillate fuel oil (DFO). The solar photovoltaic component uses a fixed-tilt tracking system.
The plant operates within the New York Independent System Operator (NYISO) balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region. In the state of New York, the Regeneron Pharmaceuticals Inc. plant ranks 9th out of 66 facilities. Nationally, it ranks 176th out of 886 plants. The latest annual generation data indicates an output of 2,101 MWh, resulting in a capacity factor of 1.1%.
Generated from EIA, GEM, and public data sources
ISO/RTO
NYISO
Market
ISO/RTO Member
NERC Region
NPCC — Northeast Power Coordinating Council
Balancing Authority
New York Independent System Operator (NYIS)
Grid Voltage
0.48 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Commercial
Sector
Commercial Non-CHP
131 MWh
Latest Month
2.1K MWh
Annual Generation
1.1%
Capacity Factor
CO₂ Intensity
3626 lb/MWh
Low-utilization plant — per-MWh rate is dominated by startup/standby emissions; not directly comparable to baseload averages.
NOx
76 lb/MWh
SO₂
6 lb/MWh
CH₄
0.148 lb/MWh
N₂O
0.030 lb/MWh
Capacity Factor
0.0%
Annual Net Gen
0 GWh
CO₂eq
3638 lb/MWh
Subregion
NPCC NYC/Westchester
2013
$765/kW
Est. Construction Cost
Total estimated cost: $17.0M
Point of Interconnection
Nearest Substation
EASTVIEW_138_KV_38W32_REV_LBMP_I
Substation Distance
< 10 km
Coord Source
NYISO direct
Market Position
ISO/RTO Market
NYISO
LMP Node
—
Pricing Hub
NYISO Zone I
Node Source
Shared substation inference
Substation identified. Node ID not yet resolved against ISO roster.
Last updated 2026-03-26
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