Garvins Falls — Plant Summary
- EIA Plant ID
- 2357
- Capacity
- 12.4 MW
- Primary Fuel
- Hydro
- Technology
- Conventional Hydroelectric
- Status
- Operating
- Location
- Merrimack, NH
- Operating Since
- 1925
- Generators
- 4
- Operator
- Central Rivers Power NH, LLC
- Parent Company
- —
- Annual Generation
- 30,899 MWh
- Capacity Factor
- 28.4%
- Balancing Authority
- ISO New England Inc.
- ISO/RTO
- ISONE
- NERC Region
- NPCC
Garvins Falls
OperatingHydro
Ranked #6 of 32 Hydro plants in NH#590 of 1454 nationally
12.4 MW Hydro operating in Merrimack, NH — ISO New England Inc.
EIAWD
12.4 MW
Nameplate Capacity
4
Generators
units
Conventional Hydroelectric
Technology
1925
Operating Since
Location
Coordinates
43.1646, -71.5076
County
Merrimack, NH
Nearby Plants
- MerrimackBit. Coal496.4 MW · 4.1 km
- China Mill HydroHydro1.7 MW · 5.6 km
- Pembroke HydroHydro2.7 MW · 5.8 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Central Rivers Power NH, LLC | — | — |
| Owner(s) | Central Rivers Power NH, LLC | — | — |
| Status | Operating | — | — |
Ownership Chain
No GEM tracker match for this plant — ownership chain unavailable.
About
Garvins Falls is a 12.4 MW hydroelectric power plant located in Merrimack County, New Hampshire. The plant began operating in 1925 and utilizes conventional hydroelectric technology. It consists of 4 generators and is owned and operated by Central Rivers Power NH, LLC. Garvins Falls is the 6th largest of 32 hydroelectric plants in New Hampshire, and ranks 601st out of 1464 nationally.
The plant's latest annual generation was 30,899 MWh, resulting in a capacity factor of 28.4%. Garvins Falls operates within the ISO New England Inc. balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region. Financial data for the plant is available from FERC filings.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
NPCC
Balancing Authority
ISO New England Inc.
Grid Voltage
34.5 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
2.7K MWh
Latest Month
30.9K MWh
Annual Generation
28.4%
Capacity Factor
Jan 2022 – Dec 2024
Financial DataBeta
Source: FERC Form 1HIGH
$23.5/MWh
Operating Cost
Public Service Company of New Hampshire
Reporting Utility
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
ISO-NE
LMP Node
4002 Z_NewHampshire
Pricing Hub
.Z.NEWHAMPSHIRE
Node Source
EIA-860 direct report
News & Articles (6)Beta
Grid·outage
Concord School Bus Crashes Into Utility Pole On Garvins Falls Road
Concord police and fire and rescue teams were sent to a school bus crash on Monday; power is off for some homes in the area.
Concord (other)
Patch·2 years ago
Industry·corporate
Amoskeag Fishways to close center, move to seasonal operation
MANCHESTER, NH — Friday marks the last day to visit the Amoskeag Fishways Learning and Visitor Center, as such. After that, the center's...
Amoskeag Fishways (other)
Manchester Ink Link·7 years ago
Deals·m and a
Eversource Sells Hydroelectric Plants
Eversource has completed the sale of its nine NH hydroelectric facilities to an affiliate of Hull Street Energy, LLC, all of which will...
Eversource (seller)Hull Street Energy, LLC (buyer)
Business NH Magazine·7 years ago
Deals·m and a
Eversource Finalizes Sale of New Hampshire Hydroelectric Facilities
Eversource's nine hydroelectric stations-Amoskeag Hydro, Ayers Island Hydro, Canaan Hydro, Eastman Falls Hydro, Garvins Falls Hydro,...
Eversource (seller)
InDepthNH.org·7 years ago
Last updated 2026-03-14
View all 6 articles