Rocky River (CT)
200 Kent Road, New Milford, CT 6776Plant Summary Information
Rocky River (CT) is ranked #11 out of 13 hydroelectric power plants in Connecticut in terms of total annual net electricity generation.
Rocky River (CT) is comprised of 3 generators and generated 5.5 GWh during the 3-month period between October 2024 to January 2025.
| Plant Name | Rocky River (CT) |
|---|---|
| Utility Name | FirstLight Power Resources Services LLC |
| Location | Western Connecticut Planning Region, CT |
| Initial Operation Date | January 1928 |
| Last Update | Jan 2025 |
| Annual Generation | 9.0 GWh |
| Annual Consumption | 0 MMBtu |
| Ranked #6,341 out of 11,979 Power Plants Nationwide | |
| Ranked #996 out of 1,369 Water Power Plants Nationwide | |
| Ranked #69 out of 156 Connecticut Power Plants | |
| Ranked #11 out of 13 Connecticut Water Power Plants | |
| Fuel Types | Water |
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Monthly Net Generation for Rocky River (CT)
Rocky River (CT) Details
| Summary Information | |
|---|---|
| Plant Name | Rocky River (CT) (539) |
| Plant Address | 200 Kent Road, New Milford, CT 6776 |
| Utility | FirstLight Power Resources Services LLC (54895) |
| Latitude, Longitude | 41.5826, -73.4349 |
| Generation Dates on File | Jan 2002 to Jan 2025 |
| Initial Operation Date | January 1928 |
| Annual Generation | 9.0 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 | 13.80 kV |
| Energy Storage | Yes |
Generator 2 Details Operating January 1928
| Technology | Hydroelectric Pumped Storage |
|---|---|
| Prime Mover | Pumped Storage |
| Ownership | Wholly Owned by Other Entity |
| Nameplate Capacity | 3.5 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 2 MW |
| Winter Capacity | 2 MW |
| Minimum Load | 2 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | January 1928 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Water |
| Time From Cold Shutdown To Full Load | 1H |
Generator 3 Details Operating January 1928
| Technology | Hydroelectric Pumped Storage |
|---|---|
| Prime Mover | Pumped Storage |
| Ownership | Wholly Owned by Other Entity |
| Nameplate Capacity | 24 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 25.4 MW |
| Winter Capacity | 25 MW |
| Minimum Load | 23 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | January 1928 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Water |
| Time From Cold Shutdown To Full Load | 1H |
Generator 1 Details Operating January 1929
| Technology | Hydroelectric Pumped Storage |
|---|---|
| Prime Mover | Pumped Storage |
| Ownership | Wholly Owned by Other Entity |
| Nameplate Capacity | 3.5 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 2 MW |
| Winter Capacity | 2 MW |
| Minimum Load | 2 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | January 1929 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Water |
| Time From Cold Shutdown To Full Load | 1H |
Rocky River (CT) Plant Owners
| Owner Name | Address | Generator | Ownership |
|---|---|---|---|
| FirstLight Hydro Generating Company | 143 West Street Ext. Suite E, New Milford, CT 6776 | Generator 1 | 100.00% |
| FirstLight Hydro Generating Company | 143 West Street Ext. Suite E, New Milford, CT 6776 | Generator 2 | 100.00% |
| FirstLight Hydro Generating Company | 143 West Street Ext. Suite E, New Milford, CT 6776 | Generator 3 | 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 |
|---|---|---|---|
| #986 | Upper Sterling | Rock Falls, IL | 9.2 GWh |
| #987 | Knife Falls | Cloquet, MN | 9.2 GWh |
| #988 | Birch Creek Power | Terreton, ID | 9.2 GWh |
| #989 | Barber Dam | Boise, ID | 9.2 GWh |
| #990 | Winton | Winton, MN | 9.1 GWh |
| #991 | Ephratah | Saint Johnsville, NY | 9.1 GWh |
| #992 | Eel Weir | Oswegatchie, NY | 9.1 GWh |
| #993 | Marshfield 6 | Marshfield, VT | 9.1 GWh |
| #994 | Gold Creek | Juneau, AK | 9.1 GWh |
| #995 | Saxon Falls | Saxon, WI | 9.1 GWh |
| #997 | Strawberry Creek | Bedford, WY | 9.0 GWh |
| #998 | Big Pine Creek | Big Pine, CA | 9.0 GWh |
| #999 | Copenhagen Plant | Copenhagen, NY | 9.0 GWh |
| #1000 | Low Line Rapids | Kimberly, ID | 8.9 GWh |
| #1001 | Drop 5 | Montrose, CO | 8.9 GWh |
| #1002 | Crystal Springs | Filer, ID | 8.9 GWh |
| #1003 | Weeks Falls | North Bend, WA | 8.8 GWh |
| #1004 | Kasidaya Creek Hydro | Skagway, AK | 8.8 GWh |
| #1005 | Oswegatchie | Edwards, NY | 8.8 GWh |
| #1006 | Mongaup Falls | Forestburgh, NY | 8.7 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Rocky River (CT).
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Bulls Bridge | New Milford, CT | 41.8 GWh | 6 mi |
| CPV Towantic Energy Center | Oxford, CT | 5.5 TWh | 17.6 mi |
| Cricket Valley Energy | Dover, NY | 4.0 TWh | 9.9 mi |
| Danbury Hospital Cogen Plant | Danbury, CT | 26.3 GWh | 12.3 mi |
| DOCCS Greenhaven | Stormville, NY | 5.9 GWh | 14.8 mi |
| Dover CSG | Dover Plains, NY | 3.7 GWh | 10 mi |
| East Fishkill CSG | East Fishkill, NY | 3.5 GWh | 20.4 mi |
| Franklin Drive | Torrington, CT | 100.0 MWh | 22.2 mi |
| IBM Southbury | Southbury, CT | 5.1 GWh | 14 mi |
| JB-Tobin 2 | La Grange, NY | 1.9 GWh | 20.5 mi |
| Kimberly Clark-Unit 1,2,3 | New Milford, CT | 217.4 GWh | 2 mi |
| Millbrook School | Millbrook, NY | 1.8 GWh | 20.5 mi |
| New Milford Gas Recovery | New Milford, CT | 5.4 GWh | 2.5 mi |
| Phillips Route 82 Solar LLC | East Fishkill, NY | 8.3 GWh | 16.9 mi |
| Shepaug | Southbury, CT | 163.1 GWh | 11.8 mi |
| Stevenson | Monroe, CT | 111.2 GWh | 19.4 mi |
| Torrington Terminal | Torrington, CT | 67.0 MWh | 21 mi |
| Union Vale | Lagrangeville, NY | 2.1 GWh | 16.8 mi |
| Waterbury Generation | Waterbury, CT | 40.1 GWh | 20.5 mi |
| Watertown Solar One, LLC | Watertown, CT | 3.0 GWh | 15 mi |