South Windsor Fuel Cell

South Windsor Fuel Cell is a 5 MW natural gas power plant in Hartford County, Connecticut, operated by South Energy Investments LLC. EIA-860M lists 1 generating unit here, inside ISO New England. Its unit entered service in 2020.

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
5 MW
5 MW net summer
Generating units
1
In service
2020
EIA plant ID
63302

Where it is

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County
Hartford County, Connecticut
Coordinates
41.8154, -72.6144
Balancing authority
ISNE
Sector
IPP Non-CHP

Units, technology and status

Operator of record
South Energy Investments LLC
Primary energy source
Natural gas
Technologies
Other Natural Gas
Status
Operating

Every plant South Energy Investments LLC reports to EIA →

South Windsor Fuel Cell: FAQ

Where is South Windsor Fuel Cell?
In Hartford County, Connecticut (CT). 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 South Windsor Fuel Cell?
5 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
Who owns South Windsor Fuel Cell?
EIA-860M names South Energy Investments 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 South Windsor Fuel Cell LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — South Energy Investments 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 "South Windsor Fuel Cell LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is South Windsor Fuel Cell still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.