United States › Power plants › Battery storage › Maine
BATTERY STORAGERumford ESS
Rumford ESS is a 4.9 MW operating battery storage site in Oxford County, Maine, operated by Agilitas Energy, Inc.. Its batteries store up to 10 MWh.
Generators
Each generating unit EIA lists at this plant.
| Unit | Technology | Capacity | Status |
|---|---|---|---|
| RUM | Batteries | 4.9 MW 10 MWh |
Plant details
- Operator
- Agilitas Energy, Inc.
- Location
- Oxford County, Maine
- Balancing authority
- ISNE
- Sector
- IPP Non-CHP
- Capacity
- Operating: 4.9 MW
- First unit online
- Jun 2021
- EIA plant ID
- 64763
Location
44.5322, -70.5190
Nearby power plants
- Rumford Power LLCGas power plants · 275 MW · 0.2 mi
- Mainely Solar (Wyman Hill Solar LLC)Solar farms · 4.0 MW · 1.0 mi
- Rumford CogenerationBioenergy plants · 103 MW · 1.7 mi
- Rumford Falls Hydro FacilityHydroelectric plants, Battery storage · 52.5 MW · 5.5 mi
- RoxWindWind farms · 15.3 MW · 7.5 mi
- Saddleback Ridge Wind FarmWind farms · 34.2 MW · 8.0 mi
- Spruce Mountain WIndWind farms · 20.0 MW · 8.3 mi
- Record Hill WindWind farms · 50.6 MW · 8.8 mi
- Canton Mountain WindWind farms · 22.8 MW · 10.7 mi
- Canton GLC Solar, LLCSolar farms · 3.0 MW · 11.6 mi
Source: U.S. Energy Information Administration, Form EIA-860M, September 2026. Planned dates are targets reported by the developer and often change. Report a problem