# GenConn Middletown LLC

ISO-NE asset profile · https://askthegrid.com/assets/facilities/genconn-middletown-llc

## Current generation inventory

EIA plant 57068 · Inventory reporting month: 2026-08.

- petroleum: 242 MW operating nameplate
- Capacity basis: operating_generator_nameplate_mw
- Source inventory: [EIA-860M workbook (preliminary)](https://www.eia.gov/electricity/data/eia860m/xls/august_generator2026.xlsx)
- Inventory retrieved: 2026-10-10T02:12:40.665346+00:00
- Filed coordinate (longitude, latitude): -72.57667, 41.554444
- OSM extract: 2026-10-08T20:21:06Z
- OSM mapped edit: 2023-02-20 20:50:14+00:00
- Map prepared: 2026-10-10T02:28:21.102766+00:00

Battery power (MW) and stored energy (MWh) are separate measures. Shared physical-site membership does not establish electrical connectivity, settlement or a common export limit.

## Reviewed overview

GenConn Middletown LLC is a 242 MW petroleum liquids plant in Middlesex County. GenConn Middletown is a peaking power plant at the Middletown Station site in Middletown, Connecticut, announced operational in June 2011. It uses four GE LM 6000 50 MW dual-fueled combustion turbines, was described at commissioning as 200 MW, and participates in the ISO-NE markets.

## Reviewed metrics

- **Nameplate capacity:** 242 MW — Canonical EIA plant baseline.
- **Registry anchor:** Plant 57068 — plant-57068

## Facts

- **Technology:** Petroleum Liquids
- **Operator:** GenConn Middletown LLC

## Related parties

- **Owner / equity investor:** Clearway Energy — owner ([source](https://www.clearwayenergygroup.com))

## Sources

- [clearwayenergygroup.com](https://www.clearwayenergygroup.com/projects/conventional-energy/) — clearwayenergygroup.com · public_source — Source retained for exact-record publication review.

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Canonical page: https://askthegrid.com/assets/facilities/genconn-middletown-llc

Source: Ask the Grid — https://askthegrid.com/