PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/66966
EIA plant 66966
Acton · Middlesex · MA
Acton-Boxborough Schools BESS
Operated by MSS Energy Holdings, LLC (d.b.a. Calibrant Energy)
Published location
Where is Acton-Boxborough Schools BESS?
This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.
42.479555, -71.458077
Open the interactive map ↗Map data © OpenStreetMap contributors
Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.
2024 monthly net generation
| Month | Net generation |
|---|---|
| 1 | -8 MWh |
| 2 | 0 MWh |
| 3 | -6 MWh |
| 4 | -5 MWh |
| 5 | -5 MWh |
| 6 | -13 MWh |
| 7 | -15 MWh |
| 8 | -4 MWh |
| 9 | -10 MWh |
| 10 | -9 MWh |
| 11 | -14 MWh |
| 12 | -11 MWh |
Operating generators
| ID | Technology | Fuel | MW | Status |
|---|---|---|---|---|
| ABRSD | Batteries | MWH | 2.1 | OP |
Continue exploring
Similar-capacity plants in the same state
Identity, technology and limitations
EIA plant ID
66966
Sector
IPP Non-CHP
Water source
Unavailable
Data edition
2024-final