Newington Energy Center
Newington Energy Center is a 606 MW natural gas power plant in Rockingham County, New Hampshire, operated by Essential Power Operating Services, LLC. EIA-860M lists 3 generating units here, inside ISO New England. Its units entered service in 2002.
As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m
- Nameplate capacity
- 605.5 MW
- 560.5 MW net summer
- Generating units
- 3
- In service
- 2002
- EIA plant ID
- 55661
Where it is
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- County
- Rockingham County, New Hampshire
- Coordinates
- 43.1047, -70.8061
- Balancing authority
- ISNE
- Sector
- IPP Non-CHP
Units, technology and status
- Operator of record
- Essential Power Operating Services, LLC
- Primary energy source
- Natural gas
- Technologies
- Natural Gas Fired Combined Cycle
- Status
- Operating
Every plant Essential Power Operating Services, LLC reports to EIA →
Newington Energy Center: FAQ
- Where is Newington Energy Center?
- In Rockingham County, New Hampshire (NH). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
- How big is Newington Energy Center?
- 606 MW of nameplate capacity across 3 units, as of the EIA-860M release for 2026-07.
- Who owns Newington Energy Center?
- EIA-860M names Essential Power Operating Services, LLC as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
- Is this the same as Newington Energy Center LLC?
- Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Essential Power Operating Services, LLC here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "Newington Energy Center LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
- Is Newington Energy Center still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.