Derby Hydro

305 Canel St., Shelton, CT 6418

Plant Summary Information

Derby Hydro is ranked #47 out of 168 power plants in Connecticut in terms of total annual net electricity generation.

Derby Hydro is comprised of 4 generators and generated 3.8 GWh during the 3-month period between September 2025 to December 2025.

Plant Name	Derby Hydro
Utility Name	McCallum Enterprises I LP
Location	Naugatuck Valley Planning Region, CT
Initial Operation Date	January 1989
Last Update	Dec 2025
Annual Generation	22.7 GWh
Annual Consumption	86.2 k MMBtu
Ranked #5,205 out of 13,081 Power Plants Nationwide
Ranked #671 out of 1,311 Water Power Plants Nationwide
Ranked #47 out of 168 Connecticut Power Plants
Ranked #5 out of 12 Connecticut Water Power Plants
Fuel Types	Water

Subscribe now to access all power plant data, utility information, FERC EQR data, and more for Derby Hydro.

Summary Information
Plant Name	Derby Hydro (10063)
Plant Address	305 Canel St., Shelton, CT 6418
Utility	McCallum Enterprises I LP (11943)
Latitude, Longitude	41.32431, -73.10211
Generation Dates on File	Jan 2001 to Dec 2025
Initial Operation Date	January 1989
Annual Generation	22.7 GWh
Fuel Types	Water

Federal Energy Regulatory Commission (FERC) Information
FERC Cogeneration Status	No
FERC Small Power Producer Status	Yes
FERC Small Power Producer Docket Number	87-296-000
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	Housatonic River
Ash Impoundment	No
Transmission / Distribution Owner	United Illuminating Co (19497) CT
Grid Voltage	13.80 kV
Energy Storage	No

Natural Gas Information
Local Distribution Company (LDC)	Other - See pipeline notes.
Natural Gas Storage	No
Liquefied Natural Gas Storage	No

* Data obtained from the 2025 EIA 860 Report

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
Nameplate Capacity	4 MW
Nameplate Power Factor	1
Summer Capacity	4 MW
Winter Capacity	4 MW
Minimum Load	2.5 MW
Uprate/Derate Completed	No
Status	Operating

First Operation Date	January 1989
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
Other Planned Modifications	No
Multiple Fuels	No

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
Nameplate Capacity	4 MW
Nameplate Power Factor	1
Summer Capacity	4 MW
Winter Capacity	4 MW
Minimum Load	2.5 MW
Uprate/Derate Completed	No

Status	Operating
First Operation Date	January 1989
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

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
Nameplate Capacity	0.3 MW
Nameplate Power Factor	1
Summer Capacity	0.3 MW
Winter Capacity	0.3 MW
Minimum Load	0.2 MW
Uprate/Derate Completed	No

Status	Standby
Synchronized To Transmission Grid	Yes
First Operation Date	January 1989
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

Technology	Conventional Hydroelectric
Prime Mover	Hydroelectric Turbine
Ownership	Single Owner
Nameplate Capacity	0.3 MW
Nameplate Power Factor	1
Summer Capacity	0.3 MW
Winter Capacity	0.3 MW
Minimum Load	0.2 MW
Uprate/Derate Completed	No

Status	Standby
Synchronized To Transmission Grid	Yes
First Operation Date	January 1989
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

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
#661	Hazelton B Hydro	Hazelton, ID	23.3 GWh
#662	Oxbow (CA)	Foresthill, CA	23.2 GWh
#663	Cataract Hydro	Saco, ME	23.1 GWh
#664	Five Channels	Oscoda, MI	23.0 GWh
#665	Medway Hydro	Medway, ME	22.9 GWh
#666	Allison Creek Hydro	Valdez, AK	22.9 GWh
#667	Black Bear Lake	Craig, AK	22.8 GWh
#668	Menomonie	Menomonie, WI	22.7 GWh
#669	Sugar Island	Potsdam, NY	22.7 GWh
#670	Lighthouse Hill	Altmar, NY	22.7 GWh
#672	Ketchikan	Ketchikan, AK	22.6 GWh
#673	Wynoochee	Montesano, WA	22.5 GWh
#674	Box Canyon Dam	Mount Shasta, CA	22.5 GWh
#675	Riverside Holyoke	Holyoke, MA	22.5 GWh
#676	Poole	Lee Vining, CA	22.3 GWh
#677	Deer Creek (UT)	Heber, UT	22.2 GWh
#678	Oswego Falls East	Fulton, NY	22.2 GWh
#679	Little Chute	Combined Locks, WI	22.1 GWh
#680	Norfolk	Norfolk, NY	22.0 GWh
#681	North Fork Hydro Plant	Grant, CO	21.9 GWh

Below are closest 20 power plants surrounding Derby Hydro.

Plant Name	Plant Location	Annual Generation	Distance
Benz Solar 1	Ansonia, CT	1.3 GWh	2.5 mi
Benz Solar 2	Ansonia, CT	1.3 GWh	2.5 mi
Bridgeport Energy Project	Bridgeport, CT	2.7 TWh	11.5 mi
Bridgeport Fuel Cell, LLC	Bridgeport, CT	90.4 GWh	12.2 mi
Bridgeport Station	Bridgeport, CT	3.2 TWh	11.4 mi
CPV Towantic Energy Center	Oxford, CT	5.5 TWh	10.9 mi
Derby Fuel Cell	Derby, CT	110.3 GWh	0.2 mi
Dynamic Energy CT STAG	Milford, CT	2.5 GWh	7.7 mi
Emerald Gardens PKI, LLC	Shelton, CT	2.0 GWh	3.8 mi
GenConn Devon LLC	Milford, CT	15.1 GWh	7.8 mi
IKEA New Haven Rooftop PV & Fuel Cell	New Haven, CT	2.7 GWh	9.7 mi
Medtronic - New Haven	North Haven, CT	18.0 GWh	12.1 mi
Milford Power Project	Milford, CT	3.2 TWh	6.9 mi
New Haven Steam	New Haven, CT	167.4 GWh	10.6 mi
Park Solar	Woodbridge, CT	1.5 GWh	6 mi
Sikorsky Aircraft CHP	Stratford, CT	65.3 GWh	5.1 mi
Stevenson	Monroe, CT	70.8 GWh	5.4 mi
UB Fuel Cell	Bridgeport, CT	10.1 GWh	12 mi
UI RCP New Haven Fuel Cell	New Haven, CT	20.5 GWh	10.8 mi
UI RCP Woodbridge FC	Woodbridge, CT	16.7 GWh	5.4 mi