Query
Derby Hydro
Type
Entity Briefing
Entity
Derby Hydro
Technology
hydro
Generated
2026-10-18T12:46:42.699Z

Briefing on Derby Hydro

Entity Briefing
Generated Oct 18, 2026·Dataset freshness not reported
9 MW
Capacity
Operating
Current status
1989
Operating since
4
Generators
31.7%
Capacity factor
24 GWh
Annual generation
Briefing/plantOperating

Derby Hydro is a 9 MW Conventional Hydroelectric asset in ISO New England, currently Operating.

Derby Hydro is reported in Connecticut since 1989 under McCallum Enterprises I LP. Available operating and financial measures include 31.7% capacity factor and 24 GWh annual generation; $2294/kW reported CapEx.

Location
Fairfield, Connecticut
Technology
Conventional Hydroelectric
Owner / parent
McCallum Enterprises I LP
Operator
McCallum Enterprises I LP
Grid
ISO New England
Plant ID
10063

What stands out

1

Derby Hydro is a 9 MW Conventional Hydroelectric asset in Connecticut with status Operating.

2

Latest annual operating measures report 31.7% capacity factor and 24 GWh annual generation.

3

Available financial measures include $2294/kW CapEx.

Market and operating context

ISO / market
ISO New England
Balancing authority
ISO New England Inc.
NERC region
NPCC
State rank
#5 of 14
National rank
#702 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.