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Kearsarge Montague

Solar power plant · Franklin County, Massachusetts

Nameplate capacity
4.0 MW
Rank in Massachusetts
#230
of 686 plants
In service since
2018
June 2018

Details

Primary fuel
Solar
Technology
Solar Photovoltaic
Operator
Kearsarge Montague LLC
County
Franklin County
Generating units
1
Share of state capacity
0.03%
Rank among solar plants in Massachusetts
#140 of 531
EIA plant code
62557

Generating units

Individual generating units at Kearsarge Montague
UnitTechnologyNameplateSummerOnlineStatus
MONTASolar Photovoltaic4.0 MW4.0 MW2018Operating

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

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 4.0 MW solar plant and a 4.0 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