Comerford

450 Dam Road, Monroe, NH 3771

Plant Summary Information

Comerford is ranked #4 out of 56 power plants in New Hampshire in terms of total annual net electricity generation.

Comerford is comprised of 4 generators and generated 63.5 GWh during the 3-month period between September 2024 to December 2024.

Plant Name	Comerford
Utility Name	Great River Hydro, LLC
Location	Grafton County, NH
Initial Operation Date	September 1930
Last Update	Dec 2024
Annual Generation	400.5 GWh
Annual Consumption	1.5 M MMBtu
Ranked #1,575 out of 12,539 Power Plants Nationwide
Ranked #109 out of 1,332 Water Power Plants Nationwide
Ranked #4 out of 56 New Hampshire Power Plants
Ranked #1 out of 32 New Hampshire Water Power Plants
Fuel Types	Water
Previous Operator	TransCanada Hydro Northeast Inc., (2013 to 2016) Great River Hydro, LLC (2017 to 2024)

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Summary Information
Plant Name	Comerford (2349)
Plant Address	450 Dam Road, Monroe, NH 3771
Utility	Great River Hydro, LLC (61122)
Latitude, Longitude	44.32505, -72.00098
Generation Dates on File	Jan 2001 to Dec 2024
Initial Operation Date	September 1930
Annual Generation	400.5 GWh
Fuel Types	Water

Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration Status	No
FERC Small Power Producer Status	No
FERC Exempt Wholesale Generator Status	Yes
FERC Exempt Wholesale Generator Docket Number	98-91-000

Regulatory Information
Regulatory Status	Non-Regulated
NERC Region	NPCC
Balancing Authority	ISO New England Inc. (ISNE)
NAICS Code	Utilities (22)
Sector	IPP Non-CHP (2)
Water Source	Connecticut River
Ash Impoundment	No
Transmission / Distribution Owner	Town of Littleton - (NH) (11196) NH
Grid Voltage	230.00 kV
Energy Storage	No

* Data obtained from the 2024 EIA 860 Report

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	47366
Nameplate Capacity	22 MW
Nameplate Power Factor	0.8
Summer Capacity	22.5 MW
Winter Capacity	22.5 MW
Minimum Load	12 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	September 1930
Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Water
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	10M
Multiple Fuels	No

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	47367
Nameplate Capacity	48.6 MW
Nameplate Power Factor	0.9
Summer Capacity	47.8 MW
Winter Capacity	48.5 MW
Minimum Load	12 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	September 1930
Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Water
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	10M
Multiple Fuels	No

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	47368
Nameplate Capacity	48.6 MW
Nameplate Power Factor	0.9
Summer Capacity	47.8 MW
Winter Capacity	48.5 MW
Minimum Load	12 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	September 1930
Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Water
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	10M
Multiple Fuels	No

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	47369
Nameplate Capacity	48.6 MW
Nameplate Power Factor	0.9
Summer Capacity	47.8 MW
Winter Capacity	48.5 MW
Minimum Load	12 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	September 1930
Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Water
Solid Fuel Gasification	No
Carbon Capture Technology	No
Time From Cold Shutdown To Full Load	10M
Multiple Fuels	No

Owner Name	Address	Generator	Ownership
*We couldn't locate any owners for this plant*

Power plants with a similar annual net generation from Water.

Rank	Plant Name	Plant Location	Annual Generation
#99	Walter F George	Ft. Gaines, GA	421.7 GWh
#100	Jaybird	Camino, CA	416.9 GWh
#101	Cannelton Hydroelectric Plant	Hawesville, KY	415.9 GWh
#102	Keswick	Redding, CA	409.4 GWh
#103	Flaming Gorge	Dutch John, UT	407.9 GWh
#104	Big Creek 1	Big Creek, CA	405.3 GWh
#105	R C Kirkwood	Groveland, CA	404.0 GWh
#106	Apalachia	Reliance, TN	402.1 GWh
#107	Ross	Rockport, WA	400.9 GWh
#108	Dam 2	Dumas, AR	400.7 GWh
#110	Pit 4	Big Bend, CA	399.5 GWh
#111	Summer Falls Power Plant	Coulee City, WA	398.2 GWh
#112	Bradley Lake	Homer, AK	397.1 GWh
#113	White Rock/Slab Creek	Placerville, CA	394.9 GWh
#114	Parker Dam	Parker, CA	390.7 GWh
#115	Norris Dam	Norris, TN	386.9 GWh
#116	Mammoth Pool	North Fork, CA	383.3 GWh
#117	Spring Creek	Redding, CA	375.4 GWh
#118	Kerckhoff 2	Auberry, CA	370.5 GWh
#119	Robert S Kerr	Keota, OK	370.3 GWh

Below are closest 20 power plants surrounding Comerford.

Plant Name	Plant Location	Annual Generation	Distance
Barton Solar Farm	Barton, VT	2.4 GWh	29.1 mi
Berlin 5	Berlin, VT	1.1 GWh	30.2 mi
Billings Road	Hardwick, VT	2.3 GWh	22.8 mi
Boltonville Hydro Associates	Boltonville, VT	3.3 GWh	11.7 mi
Dodge Falls Associates	Bath, NH	29.4 GWh	8.6 mi
ER Center Road Solar, LLC	Hardwick, VT	3.2 GWh	21.2 mi
Gilman Mill	Gilman, VT	3.9 GWh	15 mi
GMP Solar - Williamstown	Williamstown, VT	7.2 GWh	28.4 mi
Golden Solar	St. Johnsbury, VT	3.6 GWh	7.7 mi
Great Falls (VT)	Lyndon, VT	3.0 GWh	12.1 mi
GSPP Gilman, LLC	Lunenburg, VT	3.1 GWh	15.4 mi
Marshfield 6	Marshfield, VT	8.1 GWh	16.7 mi
Mcindoes	Barnet, VT	53.3 GWh	5.3 mi
NE Renewable Whitefield, LLC	Whitefield, NH	54.4 GWh	22.7 mi
Ryegate Associates, LLC	East Ryegate, VT	149.9 GWh	8.2 mi
S C Moore	Littleton, NH	341.5 GWh	6.3 mi
Sheffield Wind	Sheffield, VT	72.9 GWh	24.7 mi
Smith (VT)	Bradford, VT	1.6 GWh	23.9 mi
West Danville 15	Danville, VT	2.6 GWh	10.8 mi
Wrightsville Hydro Plant	Montpelier, VT	1.7 GWh	28.4 mi