GenConn Middletown LLC
GenConn Middletown LLC is a 242 MW oil-fired power plant in Middlesex County, Connecticut, operated by GenConn Middletown LLC. EIA-860M lists 4 generating units here, inside ISO New England. Its units entered service in 2011.
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
- 242 MW
- 187.6 MW net summer
- Generating units
- 4
- In service
- 2011
- EIA plant ID
- 57068
Where it is
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- County
- Middlesex County, Connecticut
- Coordinates
- 41.5544, -72.5767
- Balancing authority
- ISNE
- Sector
- IPP Non-CHP
Units, technology and status
- Operator of record
- GenConn Middletown LLC
- Primary energy source
- Petroleum
- Technologies
- Petroleum Liquids
- Status
- Operating
GenConn Middletown LLC: FAQ
- Where is GenConn Middletown LLC?
- In Middlesex 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 GenConn Middletown LLC?
- 242 MW of nameplate capacity across 4 units, as of the EIA-860M release for 2026-07.
- Who owns GenConn Middletown LLC?
- EIA-860M names GenConn Middletown LLC as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
- Is GenConn Middletown LLC still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.