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UMass Boston

Other power plant · Suffolk County, Massachusetts

Nameplate capacity

8.1 MW

Rank in Massachusetts

#85

of 686 plants

In service since

1972

January 1972

Details

Primary fuel: Other
Technology: Petroleum Liquids
Operator: MSS Energy Holdings, LLC (d.b.a. Calibrant Energy)
County: Suffolk County
Generating units: 18
Share of state capacity: 0.06%
Rank among other plants in Massachusetts: #18 of 25
EIA plant code: 64980

Generating units

Individual generating units at UMass Boston
Unit	Technology	Nameplate	Summer	Online	Status
060G	Petroleum Liquids	1.6 MW	1.6 MW	2012	Operating
050G	Petroleum Liquids	0.8 MW	0.8 MW	2001	Operating
090G	Petroleum Liquids	0.6 MW	0.6 MW	1972	Operating
030G	Petroleum Liquids	0.5 MW	0.5 MW	2014	Operating
080D2	Petroleum Liquids	0.5 MW	0.5 MW	1972	Operating
BATT1	Batteries	0.5 MW	0.5 MW	2021	Operating
RHG	Petroleum Liquids	0.5 MW	0.5 MW	2017	Operating
SOL2	Solar Photovoltaic	0.5 MW	0.5 MW	2021	Operating
020G	Petroleum Liquids	0.4 MW	0.4 MW	1972	Operating
080G	Petroleum Liquids	0.4 MW	0.4 MW	1972	Operating
WG	Petroleum Liquids	0.4 MW	0.4 MW	2018	Operating
010G	Petroleum Liquids	0.3 MW	0.3 MW	2006	Standby/Backup: available for service but not normally used
080D1	Petroleum Liquids	0.3 MW	0.3 MW	1972	Operating
110G	Petroleum Liquids	0.2 MW	0.2 MW	1972	Operating
120G	Petroleum Liquids	0.2 MW	0.2 MW	1972	Operating
SOL1	Solar Photovoltaic	0.2 MW	0.2 MW	2021	Operating
160G	Petroleum Liquids	0.1 MW	0.1 MW	2001	Operating
200G	Petroleum Liquids	0.1 MW	0.1 MW	1999	Operating

Nameplate is the maximum rated output; summer capacity is what the unit can reliably deliver on a hot day, which is typically lower.

Similarly sized plants in Massachusetts

East Brookfield Adams Road Solar LLC CSG	Solar	8.1 MW
Front Street	Other	8.1 MW
Brookwood Drive Community Solar	Solar	8.0 MW
Future Generation Wind	Wind	8.0 MW

About this data

From EIA’s inventory of operable generators, May 2026 release. Capacity is nameplate — the maximum rated output of the equipment, not what the plant actually generates over a year, which depends on how often it runs. A 8.1 MW solar plant and a 8.1 MW nuclear plant have the same entry here and produce very different amounts of electricity.

“In service since” is the earliest in-service date among the units still listed, so a site rebuilt around newer equipment can read as younger than the site itself. All Massachusetts power plants · What Massachusetts actually generates