Beebe Substation Battery Storage
Beebe Substation Battery Storage is a 3 MW battery storage project in Middlesex County, Massachusetts, operated by Massachusetts Mun Wholes Electric Co. EIA-860M lists 1 generating unit here, inside ISO New England. Its unit entered service in 2019.
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
- 3 MW
- 3 MW net summer
- Generating units
- 1
- In service
- 2019
- EIA plant ID
- 62585
Where it is
Loading map…
- County
- Middlesex County, Massachusetts
- Coordinates
- 42.4879, -71.0478
- Balancing authority
- ISNE
- Sector
- Electric Utility
Units, technology and status
- Operator of record
- Massachusetts Mun Wholes Electric Co
- Primary energy source
- Battery
- Technologies
- Batteries
- Status
- Operating
Every plant Massachusetts Mun Wholes Electric Co reports to EIA →
Beebe Substation Battery Storage: FAQ
- Where is Beebe Substation Battery Storage?
- In Middlesex County, Massachusetts (MA). 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 Beebe Substation Battery Storage?
- 3 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
- Who owns Beebe Substation Battery Storage?
- EIA-860M names Massachusetts Mun Wholes Electric Co 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 Beebe Substation Battery Storage LLC?
- Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Massachusetts Mun Wholes Electric Co 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 "Beebe Substation Battery Storage LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
- Is Beebe Substation Battery Storage still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.