Query
Deerfield 5
Type
Entity Briefing
Entity
Deerfield 5
Generated
2026-10-17T07:25:07.299Z

Briefing on Deerfield 5

Entity Briefing
Generated Oct 17, 2026·Dataset freshness not reported
18 MW
Capacity
Operating
Current status
1974
Operating since
1
Generators
27.4%
Capacity factor
42 GWh
Annual generation
Briefing/plantOperating

Deerfield 5 is a 18 MW Conventional Hydroelectric asset in ISO New England, currently Operating.

Deerfield 5 is reported in Massachusetts since 1974 under Great River Hydro, LLC. Available operating and financial measures include 27.4% capacity factor and 42 GWh annual generation.

Location
Berkshire, Massachusetts
Technology
Conventional Hydroelectric
Owner / parent
Great River Hydro, LLC
Operator
Great River Hydro, LLC
Grid
ISO New England
Plant ID
1620

What stands out

1

Deerfield 5 is a 18 MW Conventional Hydroelectric asset in Massachusetts with status Operating.

2

Latest annual operating measures report 27.4% capacity factor and 42 GWh annual generation.

3

Latest linked story: “How a local dam stayed safe and op­er­a­tional during this week's heavy rain and flooding” (Spectrum News, 2023-07-13).

Market and operating context

ISO / market
ISO New England
Balancing authority
ISO New England Inc.
NERC region
NPCC
State rank
#7 of 32
National rank
#514 of 1,462

Why it matters

For this asset in ISO New England, operating status, generation, ownership, and linked events are the primary facts for performance and asset-level diligence. The exact chart and source-linked records below let the reader test those facts before moving to a deeper report.