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512 MW Natural Gas Fired Combined Cycle (351 MW) + Natural Gas Fired Combustion Turbine (161 MW) operating in Hunterdon, NJ
512 MW
Nameplate Capacity
6
Generators
units
Hybrid (2)
Technology
Natural Gas Fired Combined Cycle + Natural Gas Fired Combustion Turbine
1974
Operating Since
Coordinates
40.5658, -75.1639
County
Hunterdon, NJ
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Gilbert Power, LLC | Gilbert Power | — |
| Owner(s) | Gilbert Power, LLC | Midwood Holdings | — |
| Status | Operating | — | — |
The Gilbert power plant, located in Hunterdon County, New Jersey, is a 512 MW hybrid facility primarily fueled by natural gas. It consists of six generators utilizing both natural gas-fired combined cycle and combustion turbine technologies. The plant began operating in 1974 and is owned by Midwood Holdings, with Gilbert Power, LLC as the operator. Gilbert is connected to the PJM Interconnection, LLC balancing authority and resides within the RFC NERC region.
In the most recent year with available data, the plant generated 54,750 MWh of electricity, achieving a capacity factor of 1.2%. Gilbert holds the rank of 11 out of 19 power plants in New Jersey and is ranked 478 out of 945 nationally.
Generated from EIA, GEM, and public data sources
ISO/RTO
PJM
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
PJM Interconnection, LLC (PJM)
Grid Voltage
230.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
193 MWh
Latest Month
54.7K MWh
Annual Generation
1.2%
Capacity Factor
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CO₂ Intensity
1751 lb/MWh
Low-utilization plant — per-MWh rate is dominated by startup/standby emissions; not directly comparable to baseload averages.
NOx
0.637 lb/MWh
SO₂
0.009 lb/MWh
CH₄
0.033 lb/MWh
N₂O
0.003 lb/MWh
Capacity Factor
0.6%
Annual Net Gen
27 GWh
CO₂eq
1753 lb/MWh
Subregion
RFC East
2013
$965/kW
Est. Construction Cost
Total estimated cost: $494.1M
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Point of Interconnection
Nearest Substation
Gilbert Substation · 230 kV
Substation Distance
< 10 km
Operator
Jersey Central Power and Light
Coord Source
OSM spatial
Market Position
ISO/RTO Market
PJM
LMP Node
50704
Pricing Hub
WESTERN HUB
Node Source
EIA-860 direct report
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-03-26
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