Johnsonville Dam

River Road, Johnsonville, NY 12094

Plant Summary Information

Johnsonville Dam is ranked #127 out of 148 hydroelectric power plants in New York in terms of total annual net electricity generation.

Johnsonville Dam is comprised of 2 generators and generated 880.0 MWh during the 3-month period between September 2025 to December 2025.

Plant Name	Johnsonville Dam
Utility Name	Erie Boulevard Hydropower LP
Location	Rensselaer County, NY
Initial Operation Date	January 1909
Last Update	Dec 2025
Annual Generation	4.2 GWh
Annual Consumption	15.7 k MMBtu
Ranked #8,715 out of 13,081 Power Plants Nationwide
Ranked #1,123 out of 1,311 Water Power Plants Nationwide
Ranked #639 out of 1,045 New York Power Plants
Ranked #127 out of 148 New York Water Power Plants
Fuel Types	Water

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Summary Information
Plant Name	Johnsonville Dam (2580)
Plant Address	River Road, Johnsonville, NY 12094
Utility	Erie Boulevard Hydropower LP (5914)
Latitude, Longitude	42.92037, -73.50889
Generation Dates on File	Jan 2001 to Dec 2025
Initial Operation Date	January 1909
Annual Generation	4.2 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	99-156-000

Regulatory Information
Regulatory Status	Non-Regulated
NERC Region	NPCC
Balancing Authority	New York Independent System Operator (NYIS)
NAICS Code	Utilities (22)
Sector	IPP Non-CHP (2)
Water Source	Hoosic River
Ash Impoundment	No
Transmission / Distribution Owner	Niagara Mohawk Power Corp. (13573) NY
Grid Voltage	34.50 kV
Energy Storage	No

* Data obtained from the 2025 EIA 860 Report

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	24059
RTO ISO Location Designation For Reporting Wholesale Sales Data	24059
Nameplate Capacity	2 MW
Nameplate Power Factor	0.8
Summer Capacity	1.1 MW
Winter Capacity	1.1 MW

Minimum Load	0.3 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	January 1909
Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Water
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	24059
RTO ISO Location Designation For Reporting Wholesale Sales Data	24059
Nameplate Capacity	2 MW
Nameplate Power Factor	0.8
Summer Capacity	1.4 MW
Winter Capacity	1.2 MW

Minimum Load	0.3 MW
Uprate/Derate Completed	No
Status	OA
First Operation Date	January 1909
Combined Heat & Power	No
Sector Name	IPP Non-CHP (2)
Energy Source	Water
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
#1113	Uintah	Neola, UT	4.5 GWh
#1114	Beaver Valley Patterson Dam	Beaver Falls, PA	4.4 GWh
#1115	Hiilangaay Hydro	Hydaburg, AK	4.4 GWh
#1116	Ogdensburg	Ogdensburg, NY	4.4 GWh
#1117	El Vado Dam	Tierra Amarilla, NM	4.4 GWh
#1118	Galesville Project	Azalea, OR	4.4 GWh
#1119	Little Mac Project	Buhl, ID	4.3 GWh
#1120	Heuvelton	Village of Heuvelton, NY	4.2 GWh
#1121	Potato Rapids	Town of Porterfield, WI	4.2 GWh
#1122	Granite	Salt lake City, UT	4.2 GWh
#1124	Park Mill	Marinette, WI	4.2 GWh
#1125	Stairs	Salt Lake City, UT	4.1 GWh
#1126	Gardiner	Gardiner, ME	4.1 GWh
#1127	Carver Falls	Hampton, NY	4.1 GWh
#1128	Luray Hydro Station	Luray, VA	4.1 GWh
#1129	Flambeau Crowley Rapids Project	Park Falls, WI	4.0 GWh
#1130	Upper Barker	Auburn, ME	4.0 GWh
#1131	Texon Hydroelectric Project	Russell, MA	3.9 GWh
#1132	Causey	South Fork, UT	3.9 GWh
#1133	Cascade Dam (MI)	Grand Rapids, MI	3.9 GWh

Below are closest 20 power plants surrounding Johnsonville Dam.

Plant Name	Plant Location	Annual Generation	Distance
Brick Church Solar	Brunswick, NY	6.2 GWh	11.9 mi
Czub CSG	Schagticoke, NY	3.2 GWh	4.4 mi
Dusenberry	Troy, NY	7.0 GWh	12.1 mi
Ellsworth I CSG	Mechanicville, NY	3.5 GWh	10.3 mi
Greenwich Solar 1, LLC CSG	Greenwich, NY	6.5 GWh	11 mi
Herrington Solar	Schaghtiicoke, NY	8.3 GWh	6.6 mi
Kirkland	Kirkland, NY	5.8 GWh	11.8 mi
Mechanicville Hydroelectric Station	Mechanicville, NY	18.0 GWh	9.2 mi
Middle Falls Hydro	Middle Falls, NY	9.4 GWh	12.3 mi
North Troy	Troy, NY	507.0 MWh	12.4 mi
Northline Solar CSG	Schaghticoke, NY	5.3 GWh	6.4 mi
NY - CSG - Ellsworth II	Halfmoon, NY	3.5 GWh	10.2 mi
NY8 - Branscomb Solar	Schaghticoke, NY	34.3 GWh	4.9 mi
NY8 - Darby Solar	Schaghticoke, NY	32.1 GWh	4.7 mi
NY8 - ELP Stillwater Solar	Mechanicville, NY	33.2 GWh	10.3 mi
Schaghticoke	Schaghticoke, NY	61.8 GWh	4.8 mi
Stillwater Hydro Electric Project	Stillwater, NY	10.0 GWh	7.5 mi
Town of Halfmoon	Waterford, NY	1.5 GWh	10.3 mi
Upper Mechanicville	Town of Stillwater, NY	78.7 GWh	8.7 mi
Valley Falls Hydroelectric Facility	Valley Falls, NY	5.6 GWh	2.9 mi