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Dwight — Power plant · Hydro · Central Rivers Power MA, LLCChicopee BESS — Storage · MA · 5 MW · 2.7 km awayHolyoke MA BESS 1 — Storage · MA · 5 MW · 3.7 km awayPalmer Renewable Energy — Biomass · MA · 42 MW · 5.4 km awayRiverside Holyoke — Hydro · MA · 1.1 MW · 5.8 km awayHadley Falls — Hydro · MA · 3.5 MW · 7.0 km awayStony Brook — Gas, combined cycle · MA · 422 MW · 9.9 km awayCT Airport Authority Solar One — Solar · CT · 4 MW · 24.5 km away
  • Clean firm
  • Wind & solar
  • Storage
  • In development
  • Under construction
  • Operating
  • 10 · 100 · 1,000 MW

Dwight

Power plant · Hydro

Key facts

Power plant · Hydroran 53% of 2025 Operating
Capacity
Capacity: sourceEIA-860M · Open licenseMW
Commissioned
1920
Net generation, 2025
5,595 MWh
Grid
14 kV to Western Massachusetts Electric Company (ISNE)
Location
Hampden County, Massachusetts
Operated by
Central Rivers Power MA, LLCSourceEIA-860M Preliminary Monthly Electric Generator Inventory

Output

Net generation MWh by year, 2001 to 2025

Operations detail

Details

Who’s behind it

No companies named in filings yet.

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Technology
Hydro source: “Conventional Hydroelectric”
Age
106 years since 1920
All 5 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
AttributeValue
Grid
Nerc region
NPCC
Report year
2025
Grid voltage kv
13.80
Transmission owner
Western Massachusetts Electric Company
Balancing authority code
ISNE
Balancing authority name
ISO New England Inc.
Fuel burned (MMBtu), 202519,091
Capacity factor, 20250.532
Net generation (MWh), 20255,595
Balancing authority codeISNE

Timeline

  • In service · EIA-860M

Sources

3 sources

View at source

Around this plant

Nearby

within 25 km
ProjectKindAwayMW
Chicopee BESS Under construction Storage 2.7 km 5
Holyoke MA BESS 1 Under construction Storage 3.7 km 5
Palmer Renewable Energy Postponed Biomass 5.4 km 42
Riverside Holyoke Postponed Hydro 5.8 km 1.1
Hadley Falls Postponed Hydro 7.0 km 3.5
Stony Brook Postponed Gas, combined cycle 9.9 km 422
CT Airport Authority Solar One Announced Solar 24.5 km 4

Sources EIA-860M

Sources

Attribution