Constantine

135 North Washington Avenue, Constantine, MI 49042

Plant Summary Information

Constantine is ranked #45 out of 50 hydroelectric power plants in Michigan in terms of total annual net electricity generation.

Constantine is comprised of 4 generators and generated 978.0 MWh during the 3-month period between September 2025 to December 2025.

Plant Name	Constantine
Utility Name	Indiana Michigan Power Co
Location	St. Joseph County, MI
Initial Operation Date	January 1923
Last Update	Dec 2025
Annual Generation	3.9 GWh
Annual Consumption	13.7 k MMBtu
Ranked #8,973 out of 13,081 Power Plants Nationwide
Ranked #1,134 out of 1,311 Water Power Plants Nationwide
Ranked #217 out of 269 Michigan Power Plants
Ranked #45 out of 50 Michigan Water Power Plants
Fuel Types	Water

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Summary Information
Plant Name	Constantine (1760)
Plant Address	135 North Washington Avenue, Constantine, MI 49042
Utility	Indiana Michigan Power Co (9324)
Latitude, Longitude	41.8436, -85.6694
Generation Dates on File	Jan 2001 to Dec 2025
Initial Operation Date	January 1923
Annual Generation	3.9 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	Regulated
NERC Region	RFC
Balancing Authority	PJM Interconnection, LLC (PJM)
NAICS Code	Utilities (22)
Sector	Electric Utility (1)
Water Source	St Joseph River
Ash Impoundment
Transmission / Distribution Owner	Indiana Michigan Power Co (9324) MI
Grid Voltage	12.00 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	32418375
RTO ISO Location Designation For Reporting Wholesale Sales Data	34497125
Nameplate Capacity	0.3 MW
Nameplate Power Factor	0.8
Summer Capacity	0.1 MW
Winter Capacity	0.2 MW

Minimum Load	0.1 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	January 1923
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Time From Cold Shutdown To Full Load	1H

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	32418377
RTO ISO Location Designation For Reporting Wholesale Sales Data	34497125
Nameplate Capacity	0.3 MW
Nameplate Power Factor	0.8
Summer Capacity	0.1 MW
Winter Capacity	0.2 MW

Minimum Load	0.1 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	January 1923
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Time From Cold Shutdown To Full Load	1H

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	32418381
RTO ISO Location Designation For Reporting Wholesale Sales Data	34497125
Nameplate Capacity	0.3 MW
Nameplate Power Factor	0.8
Summer Capacity	0.1 MW
Winter Capacity	0.2 MW

Minimum Load	0.1 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	January 1923
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Time From Cold Shutdown To Full Load	1H

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
RTO ISO LMP Node Designation	32418379
RTO ISO Location Designation For Reporting Wholesale Sales Data	34497125
Nameplate Capacity	0.3 MW
Nameplate Power Factor	0.8
Summer Capacity	0.1 MW
Winter Capacity	0.2 MW

Minimum Load	0.1 MW
Uprate/Derate Completed	No
Status	Operating
First Operation Date	January 1929
Combined Heat & Power	No
Sector Name	Electric Utility (1)
Energy Source	Water
Time From Cold Shutdown To Full Load	1H

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
#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
#1135	Port Leyden Hydroelectric Project	Port Leyden, NY	3.9 GWh
#1136	Marshfield 6	Marshfield, VT	3.9 GWh
#1137	Theresa Plant	Theresa, NY	3.9 GWh
#1138	Ponderosa Bailey Creek	Manton, CA	3.9 GWh
#1139	Lacomb Irrigation District	Lebanon, OR	3.8 GWh
#1140	Pelzer Upper	Petzer, SC	3.8 GWh
#1141	Pelzer Lower	Williamston, SC	3.8 GWh
#1142	Barker Lower	Auburn, ME	3.8 GWh
#1143	Scotland Dam	Windham, CT	3.8 GWh
#1144	Scott Flat	Nevada City, CA	3.8 GWh

Below are closest 20 power plants surrounding Constantine.

Plant Name	Plant Location	Annual Generation	Distance
Branch Solar Project	Coldwater, MI	12.3 GWh	30.8 mi
Earthmovers LFGTE	Elkhart, IN	20.8 GWh	21.9 mi
Electric City Solar	Sturgis, MI	23.8 GWh	13 mi
Elkhart	Elkhart, IN	10.8 GWh	18.5 mi
Elkhart County Solar Project	Benton Township, IN	57.1 GWh	23.9 mi
French Paper Hydro	Niles, MI	2.6 GWh	30.4 mi
Green Cow Power	Goshen, IN	11.1 GWh	25 mi
Greenstone Solar, LLC	Coldwater, MI	35.4 GWh	29 mi
Hydro Plant	Three Rivers, MI	6.7 GWh	11.1 mi
Indeck Niles Energy Center	Niles, MI	7.0 TWh	28.4 mi
Kalamazoo River Generating Station	Comstock, MI	136.3 GWh	31.5 mi
Middlebury Solar	Middlebury, IN	1.7 GWh	10.2 mi
Mottville	White Pigeon, MI	5.3 GWh	4.9 mi
St. Joseph Solar	Granger, IN	36.9 GWh	23.9 mi
Sturgis City Diesel Plant	Sturgis, MI	1.3 GWh	12.9 mi
Twin Branch	Mishawaka, IN	21.4 GWh	26.9 mi
Twin Branch PV	Mishawaka, IN	3.6 GWh	25.5 mi
University of Notre Dame	Notre Dame, IN	85.4 GWh	30.7 mi
Western Michigan Solar Gardens	Kalamazoo, MI	1.5 GWh	28.3 mi
Western Michigan University Power Plant	Kalamazoo, MI	80.9 GWh	30.3 mi