Comerford

450 Dam Road, Monroe, NH 3771

Plant Summary Information

Comerford is ranked #5 out of 56 power plants in New Hampshire in terms of total annual net electricity generation.

Comerford is comprised of 4 generators and generated 94.8 GWh during the 3-month period between September 2023 to December 2023.

Plant Name	Comerford
Utility Name	Great River Hydro, LLC
Location	Grafton County, NH
Initial Operation Date	September 1930
Last Update	Dec 2023
Annual Generation	405.1 GWh
Annual Consumption	1.5 M MMBtu
Ranked #1,492 out of 11,852 Power Plants Nationwide
Ranked #111 out of 1,371 Water Power Plants Nationwide
Ranked #5 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 2023)

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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 2023
Initial Operation Date	September 1930
Annual Generation	405.1 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 2023 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
#101	Hawks Nest Hydro	Gauley Bridge, WV	435.2 GWh
#102	R C Kirkwood	Groveland, CA	434.9 GWh
#103	Jaybird	Camino, CA	431.9 GWh
#104	Big Creek 4	North Fork, CA	428.0 GWh
#105	Walter F George	Ft. Gaines, GA	426.4 GWh
#106	Dardanelle	Dardanelle, AR	426.2 GWh
#107	Flaming Gorge	Dutch John, UT	413.6 GWh
#108	Long Lake	Ford, WA	413.0 GWh
#109	Mitchell Dam	Verbena, AL	409.4 GWh
#110	Ross	Rockport, WA	407.9 GWh
#112	Bartletts Ferry	Salem, AL	397.0 GWh
#113	Thompson Falls	Thompson Falls, MT	396.3 GWh
#114	Bradley Lake	Homer, AK	395.1 GWh
#115	Rainbow (MT)	Great Falls, MT	394.9 GWh
#116	Markland	Florence, IN	394.7 GWh
#117	Cabot	Montague, MA	394.4 GWh
#118	Big Creek 1	Big Creek, CA	393.8 GWh
#119	Curtis Palmer Hydroelectric	Corinth, NY	393.2 GWh
#120	Kerckhoff 2	Auberry, CA	389.8 GWh
#121	Box Canyon	Ione, WA	383.5 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
Billings Road	Hardwick, VT	2.1 GWh	22.8 mi
Boltonville Hydro Associates	Boltonville, VT	3.4 GWh	11.7 mi
Dodge Falls Associates	Bath, NH	32.3 GWh	8.6 mi
East Barnet	Barnet, VT	6.0 GWh	1.7 mi
ER Center Road Solar, LLC	Hardwick, VT	3.0 GWh	21.2 mi
Gilman Mill	Gilman, VT	28.1 GWh	15 mi
GMP Solar - Williamstown	Williamstown, VT	7.1 GWh	28.4 mi
Golden Solar	St. Johnsbury, VT	3.5 GWh	7.7 mi
Great Falls (VT)	Lyndon, VT	3.4 GWh	12.1 mi
GSPP Gilman, LLC	Lunenburg, VT	3.1 GWh	15.4 mi
Marshfield 6	Marshfield, VT	9.1 GWh	16.7 mi
Mcindoes	Barnet, VT	56.1 GWh	5.3 mi
NE Renewable Whitefield, LLC	Whitefield, NH	13.0 GWh	22.7 mi
Ryegate Associates, LLC	East Ryegate, VT	160.8 GWh	8.2 mi
S C Moore	Littleton, NH	327.6 GWh	6.3 mi
Sheffield Wind	Sheffield, VT	66.3 GWh	24.7 mi
Smith (VT)	Bradford, VT	4.0 GWh	23.9 mi
West Danville 15	Danville, VT	4.5 GWh	10.8 mi
Wrightsville Hydro Plant	Montpelier, VT	2.3 GWh	28.4 mi