Shepaug
2225 River Road, Southbury, CT 6488Plant Summary Information
Shepaug is ranked #15 out of 156 power plants in Connecticut in terms of total annual net electricity generation.
Shepaug is comprised of 1 generator and generated 11.4 GWh during the 3-month period between September 2024 to December 2024.
| Plant Name | Shepaug |
|---|---|
| Utility Name | FirstLight Power Resources Services LLC |
| Location | Naugatuck Valley Planning Region, CT |
| Initial Operation Date | January 1955 |
| Last Update | Dec 2024 |
| Annual Generation | 116.6 GWh |
| Annual Consumption | 444.5 k MMBtu |
| Ranked #3,270 out of 12,332 Power Plants Nationwide | |
| Ranked #313 out of 1,256 Water Power Plants Nationwide | |
| Ranked #15 out of 156 Connecticut Power Plants | |
| Ranked #1 out of 11 Connecticut Water Power Plants | |
| Fuel Types | Water |
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Monthly Net Generation for Shepaug
Monthly Plant Fuel Consumption for Shepaug
Shepaug Details
| Summary Information | |
|---|---|
| Plant Name | Shepaug (552) |
| Plant Address | 2225 River Road, Southbury, CT 6488 |
| Utility | FirstLight Power Resources Services LLC (54895) |
| Latitude, Longitude | 41.44842, -73.29532 |
| Generation Dates on File | Jan 2001 to Dec 2024 |
| Initial Operation Date | January 1955 |
| Annual Generation | 116.6 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 | 00-94-000 |
| 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 | Housatonic River |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Connecticut Light & Power Co (4176) CT |
| Grid Voltage | 69.00 kV |
| Energy Storage | No |
Generator 1 Details Operating January 1955
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Wholly Owned by Other Entity |
| Nameplate Capacity | 37.2 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 41.5 MW |
| Winter Capacity | 42.6 MW |
| Minimum Load | 35 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | January 1955 |
| 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 |
| Planned Net Summer Capacity Uprate | 7.5 MW |
| Planned Net Winter Capacity Uprate | 7.5 MW |
| Planned Uprate | December 2026 |
| Other Planned Modifications | No |
| Multiple Fuels | No |
| Cofire Fuels | No |
Shepaug Plant Owners
| Owner Name | Address | Ownership |
|---|---|---|
| FirstLight Hydro Generating Company | 143 West Street Ext. Suite E, New Milford, CT 6776 | 100.00% |
| FirstLight Hydro Generating Company | 143 West Street Ext. Suite E, New Milford, CT 6776 | 100.00% |
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Water.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #303 | Blewett | Lilesville, NC | 120.6 GWh |
| #304 | Eklutna Hydro Project | Palmer, AK | 120.4 GWh |
| #305 | Cushman 1 | Shelton, WA | 120.0 GWh |
| #306 | Faraday | Estacada, OR | 119.9 GWh |
| #307 | Hills Creek | Oakridge, OR | 119.8 GWh |
| #308 | Columbus | Columbus, NE | 119.5 GWh |
| #309 | Holt Dam | Tuscaloosa, AL | 119.3 GWh |
| #310 | Alcova | Alcova, WY | 119.2 GWh |
| #311 | Pardee | Valley Springs, CA | 117.8 GWh |
| #312 | New Martinsville Hannibal Hydro | New Martinsville, WV | 117.6 GWh |
| #314 | Anson Abenaki Hydros | Madison, ME | 116.3 GWh |
| #315 | Harris Dam | Lineville, AL | 115.6 GWh |
| #316 | RC Thomas Hydroelectric Project | Livingston, TX | 114.3 GWh |
| #317 | Murray | North Little Rock, AR | 113.5 GWh |
| #318 | Smith (NH) | Berlin, NH | 112.2 GWh |
| #319 | Minidoka | Rupert, ID | 111.7 GWh |
| #320 | Snoqualmie 2 | Snoqualmie, WA | 108.9 GWh |
| #321 | Broken Bow Dam | Broken Bow, OK | 108.9 GWh |
| #322 | Rainbow Falls Hydro | Parishville, NY | 108.7 GWh |
| #323 | Gem State | Idaho Falls, ID | 108.5 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Shepaug.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Bridgeport Energy Project | Bridgeport, CT | 2.6 TWh | 20.1 mi |
| Bridgeport Fuel Cell, LLC | Bridgeport, CT | 96.8 GWh | 19.9 mi |
| Bridgeport Station | Bridgeport, CT | 3.4 TWh | 20 mi |
| Bulls Bridge | New Milford, CT | 30.8 GWh | 17.8 mi |
| CPV Towantic Energy Center | Oxford, CT | 4.9 TWh | 9.2 mi |
| Danbury Hospital Cogen Plant | Danbury, CT | 28.1 GWh | 8.4 mi |
| Derby Fuel Cell | Derby, CT | 105.9 GWh | 13.3 mi |
| Derby Hydro | Shelton, CT | 23.9 GWh | 13.2 mi |
| Emerald Gardens PKI, LLC | Shelton, CT | 2.1 GWh | 15.1 mi |
| Fairfield University CHP Plant | Fairfield, CT | 26.1 GWh | 20.1 mi |
| GenConn Devon LLC | Milford, CT | 4.3 GWh | 19.1 mi |
| Kimberly Clark-Unit 1,2,3 | New Milford, CT | 219.0 GWh | 9.8 mi |
| Milford Power Project | Milford, CT | 3.2 TWh | 18.5 mi |
| New Milford Gas Recovery | New Milford, CT | 4.7 GWh | 9.6 mi |
| Park Solar | Woodbridge, CT | 866.0 MWh | 17.8 mi |
| Sikorsky Aircraft CHP | Stratford, CT | 53.1 GWh | 17.1 mi |
| Stevenson | Monroe, CT | 95.8 GWh | 7.8 mi |
| UI RCP Woodbridge FC | Woodbridge, CT | 17.7 GWh | 16.2 mi |
| Waterbury Generation | Waterbury, CT | 43.8 GWh | 14.7 mi |
| Watertown Solar One, LLC | Watertown, CT | 2.9 GWh | 14.1 mi |