Hampden Landfill Solar LLC
Hampden Landfill Solar LLC is a 5 MW battery storage project in Hampden County, Massachusetts, operated by Hampden Landfill Solar LLC. EIA-860M lists 2 generating units here, inside ISO New England. Its units entered service in 2024.
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
- 4.9 MW
- 4.9 MW net summer
- Generating units
- 2
- In service
- 2024
- EIA plant ID
- 69131
Where it is
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- County
- Hampden County, Massachusetts
- Coordinates
- 42.0641, -72.3975
- Balancing authority
- ISNE
- Sector
- IPP Non-CHP
Units, technology and status
- Operator of record
- Hampden Landfill Solar LLC
- Primary energy source
- Battery
- Technologies
- Batteries, Solar Photovoltaic
- Status
- Operating
This site runs on more than one energy source. EIA-860M capacity splits: Battery 3 MW, Solar 2 MW. It is filed here under Battery, the source with the most capacity.
Hampden Landfill Solar LLC: FAQ
- Where is Hampden Landfill Solar LLC?
- 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 Hampden Landfill Solar LLC?
- 5 MW of nameplate capacity across 2 units, as of the EIA-860M release for 2026-07.
- Who owns Hampden Landfill Solar LLC?
- EIA-860M names Hampden Landfill Solar LLC as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
- Is Hampden Landfill Solar LLC still running?
- EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.