Ayers Island

59 Ayers Island Rd., Bristol, NH 3222

Plant Summary Information

Ayers Island is ranked #18 out of 56 power plants in New Hampshire in terms of total annual net electricity generation.

Ayers Island is comprised of 3 generators and generated 12.8 GWh during the 3-month period between September 2023 to December 2023.

Plant Name	Ayers Island
Utility Name	Central Rivers Power NH, LLC
Location	Grafton County, NH
Initial Operation Date	August 1925
Last Update	Dec 2023
Annual Generation	54.4 GWh
Annual Consumption	200.9 k MMBtu
Ranked #3,765 out of 11,835 Power Plants Nationwide
Ranked #485 out of 1,371 Water Power Plants Nationwide
Ranked #18 out of 56 New Hampshire Power Plants
Ranked #7 out of 32 New Hampshire Water Power Plants
Fuel Types	Water
Previous Operator	Public Service Co of NH (2013 to 2017) Central Rivers Power NH, LLC (2018 to 2023)

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Summary Information
Plant Name	Ayers Island (2355)
Plant Address	59 Ayers Island Rd., Bristol, NH 3222
Utility	Central Rivers Power NH, LLC (62775)
Latitude, Longitude	43.59785, -71.71768
Generation Dates on File	Jan 2001 to Dec 2023
Initial Operation Date	August 1925
Annual Generation	54.4 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	No

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	Pemigewasset River
Ash Impoundment	No
Transmission / Distribution Owner	Public Service Co of NH (15472) NH
Grid Voltage	34.50 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	4002 Z_NewHampshire
Nameplate Capacity	2.8 MW
Nameplate Power Factor	0.8
Summer Capacity	2.8 MW
Winter Capacity	3 MW

Minimum Load	0.5 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	August 1925
Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Water
Time From Cold Shutdown To Full Load	10M

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
Nameplate Capacity	2.8 MW
Nameplate Power Factor	0.8
Summer Capacity	2.8 MW
Winter Capacity	3 MW
Minimum Load	0.5 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	August 1925
Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Water
Time From Cold Shutdown To Full Load	10M

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
Nameplate Capacity	2.8 MW
Nameplate Power Factor	0.8
Summer Capacity	2.8 MW
Winter Capacity	3 MW
Minimum Load	0.5 MW

Uprate/Derate Completed	No
Status	Operating
First Operation Date	August 1925
Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Water
Time From Cold Shutdown To Full Load	10M

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
#475	Black Canyon	Emmet, ID	56.9 GWh
#476	Tesla	Colorado Springs, CO	56.4 GWh
#477	Mcindoes	Barnet, VT	56.1 GWh
#478	Arrowrock Hydroelectric Project	Boise, ID	55.9 GWh
#479	Ozark Beach	Forsyth, MO	55.7 GWh
#480	Boott Hydropower	Lowell, MA	55.7 GWh
#481	Thorpe	Tuckasegee, NC	55.4 GWh
#482	Beebee Island Hydro Plant	Watertown, NY	55.3 GWh
#483	Piney	Clarion, PA	55.2 GWh
#484	Roza	Yakima, WA	54.5 GWh
#486	Thousand Springs	Wendell, ID	54.2 GWh
#487	Kilbourn	Wisconsin Dells, WI	54.0 GWh
#488	Hannawa	Pierrepont, NY	53.9 GWh
#489	Hiram	Hiram, ME	53.8 GWh
#490	Beardslee	Little Falls, NY	53.2 GWh
#491	Milford Hydro Station	Milford, ME	53.0 GWh
#492	Walterville	Springfield, OR	52.8 GWh
#493	International Falls Power	International Falls, MN	52.8 GWh
#494	Victoria Dam	Rockland, MI	52.7 GWh
#495	Upper Malad	Hagerman, ID	52.2 GWh

Below are closest 20 power plants surrounding Ayers Island.

Plant Name	Plant Location	Annual Generation	Distance
Bridgewater Power LP	Bridgewater, NH	109.2 GWh	8.7 mi
Clement Dam Hydro LLC	Tilton, NH	11.9 GWh	12.5 mi
Dartmouth College Heating Plant	Hanover, NH	10.0 GWh	29.3 mi
Eastman Falls	Franklin, NH	33.2 GWh	10.8 mi
EHC West Hopkinton	West Hopkinton, NH	4.0 GWh	28.2 mi
Garvins Falls	Bow, NH	44.2 GWh	31.6 mi
Groton Wind LLC	Groton, NH	97.2 GWh	12.8 mi
Lempster Wind LLC	Lempster, NH	60.7 GWh	33.1 mi
Lochmere Hydroelectric Plant	Tilton, NH	4.3 GWh	12.6 mi
Mascoma Hydro	W. Lebanon, NH	3.5 GWh	30.1 mi
NE Renewable Springfield, LLC	Springfield, NH	32.0 GWh	20 mi
Newfound Hydroelectric	Bristol, NH	8.1 GWh	0.9 mi
Ottauquechee Hydro	N. Hartland, VT	3.5 GWh	31.7 mi
Penacook Lower Falls	Boscawen, NH	22.6 GWh	22.4 mi
Penacook Upper Falls Hydro	Penacook, NH	17.1 GWh	22.5 mi
Rolfe Canal Hydro	Penacook, NH	27.8 GWh	23.1 mi
Stevens Mills Dam	Franklin, NH	9.8 GWh	11.1 mi
Wheelabrator Concord Facility	Concord, NH	93.6 GWh	22.6 mi
White Lake	Tamworth, NH	552.0 MWh	30.8 mi
Wilder	Hartford, VT	192.4 GWh	29.7 mi