Query
Deerfield 4
Type
Entity Briefing
Entity
Deerfield 4
Generated
2026-09-29T11:06:57.897Z

Briefing on Deerfield 4

Entity Briefing
Generated Sep 29, 2026·Dataset freshness not reported
5 MW
Capacity
Operating
Current status
1912
Operating since
3
Generators
47.8%
Capacity factor
20 GWh
Annual generation
Briefing/plantOperating

Deerfield 4 is a 5 MW Conventional Hydroelectric asset in ISO New England, currently Operating.

Deerfield 4 is reported in Massachusetts since 1912 under Great River Hydro, LLC. Available operating and financial measures include 47.8% capacity factor and 20 GWh annual generation.

Location
Franklin, Massachusetts
Technology
Conventional Hydroelectric
Owner / parent
Great River Hydro, LLC
Operator
Great River Hydro, LLC
Grid
ISO New England
Plant ID
6119

What stands out

1

Deerfield 4 is a 5 MW Conventional Hydroelectric asset in Massachusetts with status Operating.

2

Latest annual operating measures report 47.8% capacity factor and 20 GWh annual generation.

Market and operating context

ISO / market
ISO New England
Balancing authority
ISO New England Inc.
NERC region
NPCC
State rank
#15 of 32
National rank
#894 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.