Where is UMass Boston?

In Suffolk 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 UMass Boston?

8 MW of nameplate capacity across 18 units, as of the EIA-860M release for 2026-07.

Who owns UMass Boston?

EIA-860M names MSS Energy Holdings, LLC (d.b.a. Calibrant Energy) 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 UMass Boston LLC?

Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — MSS Energy Holdings, LLC (d.b.a. Calibrant Energy) 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 "UMass Boston LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.

Is UMass Boston still running?

EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.

UMass Boston

UMass Boston is a 8 MW oil-fired power plant in Suffolk County, Massachusetts, operated by MSS Energy Holdings, LLC (d.b.a. Calibrant Energy). EIA-860M lists 18 generating units here, inside ISO New England. Its units entered service between 1972 and 2021.

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: 8.1 MW; 8.1 MW net summer
Generating units: 18
In service: 1972–2021
EIA plant ID: 64980

Where it is

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County: Suffolk County, Massachusetts
Coordinates: 42.313, -71.0364
Balancing authority: ISNE
Sector: Commercial Non-CHP

Units, technology and status

Operator of record: MSS Energy Holdings, LLC (d.b.a. Calibrant Energy)
Primary energy source: Petroleum
Technologies: Batteries, Petroleum Liquids, Solar Photovoltaic
Status: Operating (17) · Standby/Backup (1)

This site runs on more than one energy source. EIA-860M capacity splits: Petroleum 7 MW, Solar 1 MW, Battery 1 MW. It is filed here under Petroleum, the source with the most capacity.

Every plant MSS Energy Holdings, LLC (d.b.a. Calibrant Energy) reports to EIA →

UMass Boston: FAQ

Where is UMass Boston?: In Suffolk 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 UMass Boston?: 8 MW of nameplate capacity across 18 units, as of the EIA-860M release for 2026-07.
Who owns UMass Boston?: EIA-860M names MSS Energy Holdings, LLC (d.b.a. Calibrant Energy) 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 UMass Boston LLC?: Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — MSS Energy Holdings, LLC (d.b.a. Calibrant Energy) 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 "UMass Boston LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is UMass Boston still running?: EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.