# Devon Station

ISO-NE asset profile · https://askthegrid.com/assets/facilities/devon-station

## Current generation inventory

EIA plant 544 · Inventory reporting month: 2026-08.

- petroleum: 222.6 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): -73.10898, 41.209797
- OSM extract: 2026-10-08T20:21:06Z
- OSM mapped edit: 2025-01-09 19:55:27+00:00
- Map prepared: 2026-10-10T02:28:19.134655+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

Devon Station is a 222.6 MW petroleum liquids plant in New Haven County. Devon Generating Station is a dual-fuel peaking plant in Milford, Connecticut, on the Housatonic River near Long Island Sound. Five fast-start units totaling about 175 MW include four 50-MW dual-fueled combustion turbines. It sits in ISO New England and burns ultra-low sulfur distillate and natural gas.

## Reviewed metrics

- **Nameplate capacity:** 222.6 MW — Canonical EIA plant baseline.
- **Registry anchor:** Plant 544 — plant-544

## Facts

- **Technology:** Petroleum Liquids
- **Operator:** Devon Power LLC

## Related parties

- **Parent company / investor:** ArcLight Capital Partners — parent_company ([source](https://arclight.com))
- **Former owner / seller:** NRG Energy — former_owner ([source](https://www.nrg.com))

## Sources

- [prnewswire.com](https://www.prnewswire.com/news-releases/arclight-closes-acquisition-of-4-9gw-power-generation-portfolio-from-nrg-energy-301437923.html) — prnewswire.com · public_source — Source retained for exact-record publication review.

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Canonical page: https://askthegrid.com/assets/facilities/devon-station
Website: [Generation Bridge](https://www.alphagen.com)

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