Holyoke Solar Cooperative at Mueller
Holyoke Solar Cooperative at Mueller is a 3 MW solar farm in Hampden County, Massachusetts, operated by Holyoke Solar LLC. EIA-860M lists 1 generating unit here, inside ISO New England. Its unit 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
- 2.7 MW
- 2.7 MW net summer
- Generating units
- 1
- In service
- 2011
- EIA plant ID
- 57931
Where it is
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- County
- Hampden County, Massachusetts
- Coordinates
- 42.1909, -72.6824
- Balancing authority
- ISNE
- Sector
- IPP Non-CHP
Units, technology and status
- Operator of record
- Holyoke Solar LLC
- Primary energy source
- Solar
- Technologies
- Solar Photovoltaic
- Status
- Operating
Holyoke Solar Cooperative at Mueller: FAQ
- Where is Holyoke Solar Cooperative at Mueller?
- In Hampden 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 Holyoke Solar Cooperative at Mueller?
- 3 MW of nameplate capacity across 1 unit, as of the EIA-860M release for 2026-07.
- Who owns Holyoke Solar Cooperative at Mueller?
- EIA-860M names Holyoke Solar LLC 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 Holyoke Solar Cooperative at Mueller LLC?
- Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — Holyoke Solar LLC 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 "Holyoke Solar Cooperative at Mueller LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
- Is Holyoke Solar Cooperative at Mueller still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.