USUS Grid ExplorerInfrastructure intelligence
Preliminary 2025 facility recordOperating

Florida, MA · EIA plant 8005

Bear Swamp

Bear Swamp is a hydro power facility in Florida, MA, with 666 MW of operating capacity.

Open on mapView MA profileOpen EIA source
Operating capacity666 MW2 operating generators
Proposed capacity0 MW0 proposed generators
UtilityBear Swamp Power Company LLCEIA-reported operator
Balancing authorityISNEISO New England Inc.

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Hydro666 MW
ProposedNo proposed capacity reported
Reported technologiesHydroelectric Pumped Storage

Nearby in MA

Related facilities

MA · 0.5 miDeerfield 518 MW →MA · 0.9 miFife Brook11 MW →MA · 3.5 miSherman7 MW →MA · 4.3 miCharlemont A5 MW →

Source quality

Preliminary facility data

This page uses the EIA-860 2025 Early Release. EIA identifies the release as preliminary, so it should not be used for official state or national aggregation. Capacity is nameplate capacity, not real-time output or annual generation.

Read methodologyEIA-860 source