Query
Somersworth Lower Great Dam
Type
Entity Briefing
Entity
Somersworth Lower Great Dam
Generated
2026-10-20T03:18:04.773Z

Briefing on Somersworth Lower Great Dam

Entity Briefing
Generated Oct 20, 2026·Dataset freshness not reported
1 MW
Capacity
Operating
Current status
1985
Operating since
1
Generators
11.7%
Capacity factor
1 GWh
Annual generation
Briefing/plantOperating

Somersworth Lower Great Dam is a 1 MW Conventional Hydroelectric asset in ISO New England, currently Operating.

Somersworth Lower Great Dam is reported in New Hampshire since 1985 under small shareholder(s). Available operating and financial measures include 11.7% capacity factor and 1 GWh annual generation; $2294/kW reported CapEx.

Location
Strafford, New Hampshire
Technology
Conventional Hydroelectric
Owner / parent
small shareholder(s)
Operator
Green Mountain Power Corp
Grid
ISO New England
Plant ID
50704

What stands out

1

Somersworth Lower Great Dam is a 1 MW Conventional Hydroelectric asset in New Hampshire with status Operating.

2

Latest annual operating measures report 11.7% capacity factor and 1 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
#28 of 32
National rank
#1353 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.