605.5 MW Natural Gas operating in Rockingham, NH — ISO New England Inc.
605.5 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combined Cycle
Technology
2002
Operating Since
Coordinates
43.1047, -70.8061
County
Rockingham, NH
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Essential Power Operating Services, LLC | — | — |
| Owner(s) | Essential Power Operating Company, LLC | — | — |
| Status | Operating | — | — |
Newington Energy Center is a 605.5 MW natural gas-fired combined cycle power plant located in Rockingham County, New Hampshire. The plant began operating in 2002 and is owned and operated by Essential Power Operating Services, LLC. It consists of three generators. Newington Energy Center is the second-largest of three power plants in New Hampshire, and ranks 395th out of 945 plants nationally.
The plant operates within the ISO New England Inc. balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region. In the most recent year with available data, Newington Energy Center generated 1,913,569 MWh of electricity, achieving a capacity factor of 36.1%.
Generated from EIA, GEM, and public data sources
NERC Region
NPCC
Balancing Authority
ISO New England Inc.
Grid Voltage
345 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
270.5K MWh
Latest Month
1.9M MWh
Annual Generation
36.1%
Capacity Factor
No financial data available for this plant.
Point of Interconnection
Nearest Substation
Newington Energy Substation · 345 kV
Substation Distance
< 10 km
Operator
Eversource
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ISO-NE
LMP Node
UN.NEW_ENER18.0NEWE
Pricing Hub
.Z.NEWHAMPSHIRE
Node Source
EIA-860 direct report
Last updated 2026-03-26
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