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350 MW Natural Gas operating in New Haven, CT
350 MW
Nameplate Capacity
7
Generators
units
Natural Gas Fired Combustion Turbine
Technology
2001
Operating Since
Coordinates
41.4487, -72.8354
County
New Haven, CT
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Wallingford Energy LLC | Wallingford Energy | — |
| Owner(s) | Wallingford Energy LLC | LS Power Development | — |
| Status | Operating | — | — |
Wallingford Energy is a 350 MW natural gas-fired power plant located in New Haven County, Connecticut. The plant began operating in 2001 and consists of seven natural gas-fired combustion turbine generators. It is owned by LS Power Development and operated by Wallingford Energy LLC. The plant is located within the ISO New England Inc. balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region.
In the most recent year of reported data, Wallingford Energy generated 87,775 MWh of electricity, achieving a capacity factor of 2.8%. Wallingford Energy ranks as the 8th largest power plant in Connecticut out of 8 total plants, and 596th nationally out of 945 plants.
Generated from EIA, GEM, and public data sources
ISO/RTO
ISO-NE
Market
ISO/RTO Member
NERC Region
NPCC — Northeast Power Coordinating Council
Balancing Authority
ISO New England Inc. (ISNE)
Grid Voltage
115.0 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.
2.5K MWh
Latest Month
87.8K MWh
Annual Generation
2.8%
Capacity Factor
Forward-looking generation outlook with probabilistic ranges across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
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CO₂ Intensity
1242 lb/MWh
NOx
0.113 lb/MWh
SO₂
0.005 lb/MWh
CH₄
0.025 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
5.3%
Annual Net Gen
161 GWh
CO₂eq
1243 lb/MWh
Subregion
NPCC New England
2013
$965/kW
Est. Construction Cost
Total estimated cost: $337.8M
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Point of Interconnection
Nearest Substation
Wallingford Substation · 115 kV
Substation Distance
< 10 km
Operator
Wallingford Electric Department
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
UN.WALNGFRD13.8WAL1
Pricing Hub
.Z.CONNECTICUT
Location Type
NETWORK NODE
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.
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