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Preliminary 2025 facility recordOperating

Northfield, MA · EIA plant 547

Northfield Mountain

Northfield Mountain is a hydro power facility in Northfield, MA, with 1,168 MW of operating capacity.

Open on mapView MA profileOpen EIA source
Operating capacity1,168 MW4 operating generators
Proposed capacity0 MW0 proposed generators
UtilityFirstLight Power Resources, Inc. - MAEIA-reported operator
Balancing authorityISNEISO New England Inc.

Capacity profile

Fuel and technology

Nameplate capacity
Operating
Hydro1,168 MW
ProposedNo proposed capacity reported
Reported technologiesHydroelectric Pumped Storage

Nearby in MA

Related facilities

MA · 0.1 miNFM Solar Power LLC2 MW →MA · 0.5 miErving CSG1 MW →MA · 1.4 miFrench King Solar LLC5 MW →MA · 4.2 miKearsarge Gill2 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