Rollinsford — Plant Summary
- EIA Plant ID
- 54418
- Capacity
- 1.4 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Strafford, NH
- Operating Since
- 1986
- Generators
- 2
- Operator
- Green Mountain Power Corp
- Parent Company
- small shareholder(s)
- Annual Generation
- 2,303 MWh
- Capacity Factor
- 18.7%
- Balancing Authority
- ISO New England Inc.
- ISO/RTO
- ISONE
- NERC Region
- NPCC
Rollinsford
OperatingHydro
Ranked #27 of 32 Hydro plants in NH#1335 of 1454 nationally
1.4 MW Hydro operating in Strafford, NH — ISO New England Inc.
EIAWD
1.4 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1986
Operating Since
Location
Coordinates
43.2362, -70.8175
County
Strafford, NH
Nearby Plants
- Salmon FallsHydro1.2 MW · 1.2 km
- Somersworth Lower Great DamHydro1.3 MW · 2.5 km
- Turnkey Landfill Gas RecoveryLandfill Gas9.2 MW · 12.1 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Green Mountain Power Corp | Green Mountain Power | — |
| Owner(s) | Green Mountain Power Corp | small shareholder(s) | — |
| Status | Operating | — | — |
Ownership Chain
About
The Rollinsford power plant is a 1.4 MW hydroelectric facility located in Strafford County, New Hampshire. It began operating in 1986 and consists of two generators utilizing conventional hydroelectric technology. The plant's primary fuel source is water (WAT). Green Mountain Power Corp is the listed operator, while ownership is attributed to small shareholder(s).
Rollinsford operates within the ISO New England Inc. balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region. In terms of size, the plant is ranked 27th out of 32 power plants in New Hampshire, and 1339th out of 1464 nationally. The latest annual generation data indicates an output of 2,303 MWh, resulting in a capacity factor of 18.7%.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
NPCC
Balancing Authority
ISO New England Inc.
Grid Voltage
13.8 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
280 MWh
Latest Month
2.3K MWh
Annual Generation
18.7%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
ISO-NE
LMP Node
—
Pricing Hub
.Z.NEWHAMPSHIRE
Node Source
OSM spatial match
News & Articles (9)Beta
Regulatory·permitting
Green Mountain Power Corporation; Notice of Application Ready for Environmental Analysis and Soliciting Comments, Recommendations, Terms and Conditions, and Prescriptions
Federal Register (FERC)·1 weeks ago
Regulatory·permitting
Green Mountain Power Corporation; Notice of Application Ready for Environmental Analysis and Soliciting Comments, Recommendations, Terms and Conditions, and Prescriptions
Federal Register (FERC)·1 weeks ago
General
Green Mountain Power seeks to install up to 1,200 storage batteries in remote homes
The state's largest electric utility is asking state regulators to approve a new tariff for all its ratepayers that would fund a project to...
Vermont Public·9 months ago
General
Green Mountain Power seeks to install up to 1,200 storage batteries in remote homes
The state's largest electric utility is asking state regulators to approve a new tariff for all its ratepayers that would fund a project to...
Vermont Public·9 months ago
Last updated 2026-03-25
View all 9 articles