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Deerfield 5 — Power plant · Hydro · Great River Hydro, LLCWilliams College - Campus CHP — Postponed · Oil · MA · 3.2 MW · 12.6 mi away
  • Clean firm
  • Operating
  • 10 · 100 · 1,000 MW

Deerfield 5

Power plant · Hydro

Key facts

Power plant · Hydroran 29% of 2025 Operating
Capacity
Capacity: sourceEIA-860M · Open licenseMW
Commissioned
1974
Net generation, 2025
44,427 MWh
Grid
69 kV to Western Massachusetts Electric Company (ISNE)
Location
Berkshire County, Massachusetts
Operated by
Great River Hydro, 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
52 years since 1974
All 5 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
Attributes
AttributeValue
Grid
Nerc region
NPCC
Report year
2025
Grid voltage kv
69
Transmission owner
Western Massachusetts Electric Company
Balancing authority code
ISNE
Balancing authority name
ISO New England Inc.
Fuel burned (MMBtu), 2025151,585
Capacity factor, 20250.290
Net generation (MWh), 202544,427
Balancing authority codeISNE

Timeline

  • In service · EIA-860M

Sources

3 sources

Sources EIA-860M · EIA · EIA-860M Preliminary Monthly Electric Generator Inventory

Sources

Every source and license · Attribution

View at source

Around this plant

Nearby

within 15 mi
Projects within 15 mi, nearest first.
ProjectKindAwayMW
Williams College - Campus CHP Postponed Oil 12.6 mi 3.2

Sources EIA-860M

Sources

  • EIA-860MOpen license · retrieved Nov 4, 2026

Attribution