Query
Ayers Island
Type
Entity Briefing
Entity
Ayers Island
State
RI
Generated
2026-10-19T02:18:50.063Z

Briefing on Ayers Island

Entity Briefing
Generated Oct 19, 2026·Dataset freshness not reported
8 MW
Capacity
Operating
Current status
1925
Operating since
3
Generators
54.2%
Capacity factor
40 GWh
Annual generation
Briefing/plantOperating

Ayers Island is a 8 MW Conventional Hydroelectric asset in ISO New England, currently Operating.

Ayers Island is reported in New Hampshire since 1925 under Central Rivers Power NH, LLC. Available operating and financial measures include 54.2% capacity factor and 40 GWh annual generation; $1453/kW reported CapEx.

Location
Grafton, New Hampshire
Technology
Conventional Hydroelectric
Owner / parent
Central Rivers Power NH, LLC
Operator
Central Rivers Power NH, LLC
Grid
ISO New England
Plant ID
2355

What stands out

1

Ayers Island is a 8 MW Conventional Hydroelectric asset in New Hampshire with status Operating.

2

Latest annual operating measures report 54.2% capacity factor and 40 GWh annual generation.

3

Available financial measures include $30.3/MWh OpEx, $1453/kW CapEx.

Market and operating context

ISO / market
ISO New England
Balancing authority
ISO New England Inc.
NERC region
NPCC
State rank
#8 of 32
National rank
#712 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.