Mass Midstate Solar 3

☀ SolarIPP Non-CHP4 MW capacity

208th largest plant in Massachusetts · 8379th nationally

Mass Midstate Solar 3 is a solar power plant in Massachusetts with a nameplate capacity of 4.0 MW. It generates roughly 6.2k MWh per year — enough to power about 592 average U.S. homes.

Its capacity factor of 18% reflects intermittent or peaking operation.

PeakingMid-meritBaseload0%40%80%100%18%
Peaking — intermittent or backup
Capacity4 MWnameplate
Annual Generation6.2k MWhEPA eGRID
Capacity Factor18%of theoretical max
Annual CO₂metric tons

Location

Plant NameMass Midstate Solar 3
OperatorEvergreen Wind, Llc
CityWarren
CountyWorcester County
StateMassachusetts
ZIP01083
Coordinates42.21972, -71.87861

This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.

Natural GasSolarBiomassBattery Storage

Generators (1)

IDTechnologyFuelCapacityStatusOnline
1Solar PhotovoltaicSolar4.0 MWOperating2014

Grid context

NERC RegionNPCC
Balancing AuthorityIso New England Inc.

About Solar plants

Utility-scale solar farms convert sunlight directly into electricity using photovoltaic panels. They produce zero direct emissions and have no fuel cost, but generation is variable — peaking at midday and falling to zero at night. Capacity factors typically run 18–28% in good locations.

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