Rainbow (CT)
347 Rainbow Road, Windsor, CT 6095Plant Summary Information
Rainbow (CT) is ranked #6 out of 12 hydroelectric power plants in Connecticut in terms of total annual net electricity generation.
Rainbow (CT) is comprised of 2 generators and generated 3.8 GWh during the 3-month period between June 2025 to September 2025.
| Plant Name | Rainbow (CT) |
|---|---|
| Utility Name | Farmington River Power Company |
| Location | Capitol Planning Region, CT |
| Initial Operation Date | December 1925 |
| Last Update | Sep 2025 |
| Annual Generation | 19.6 GWh |
| Annual Consumption | 69.6 k MMBtu |
| Ranked #5,274 out of 12,539 Power Plants Nationwide | |
| Ranked #745 out of 1,332 Water Power Plants Nationwide | |
| Ranked #51 out of 161 Connecticut Power Plants | |
| Ranked #6 out of 12 Connecticut Water Power Plants | |
| Fuel Types | Water |
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Monthly Net Generation for Rainbow (CT)
Rainbow (CT) Details
| Summary Information | |
|---|---|
| Plant Name | Rainbow (CT) (559) |
| Plant Address | 347 Rainbow Road, Windsor, CT 6095 |
| Utility | Farmington River Power Company (6207) |
| Latitude, Longitude | 41.91531, -72.69362 |
| Generation Dates on File | Jan 2001 to Sep 2025 |
| Initial Operation Date | December 1925 |
| Annual Generation | 19.6 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 | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Regulated |
| NERC Region | NPCC |
| Balancing Authority | ISO New England Inc. (ISNE) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | Farmington River |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Connecticut Light & Power Co (4176) CT |
| Grid Voltage | 27.60 kV |
| Energy Storage | No |
Generator 1 Details Operating December 1925
| 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 | 4 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | December 1925 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
Generator 2 Details Operating December 1925
| 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 | 4 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | December 1925 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Water |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
Rainbow (CT) Plant Owners
| Owner Name | Address | Generator | Ownership | We couldn't locate any owners for this plant |
|---|
Power Plants with Similar Net Generation
Power plants with a similar annual net generation from Water.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #735 | Fairfax Falls | Fairfax, VT | 20.4 GWh |
| #736 | West Buxton | Buxton, ME | 20.4 GWh |
| #737 | Bishop Creek 3 | Bishop, CA | 20.3 GWh |
| #738 | Deerfield 4 | Buckland, MA | 20.2 GWh |
| #739 | Middle Fork Irrigation District | Parkdale, OR | 20.1 GWh |
| #740 | Nooksack Hydro | Glacier, WA | 20.1 GWh |
| #741 | Wainiha Hydro | Hanalei, HI | 20.0 GWh |
| #742 | Magic Dam Hydroelectric Project | Shoshone, ID | 19.9 GWh |
| #743 | Spearfish Hydro | Spearfish, SD | 19.9 GWh |
| #744 | Foothill Feeder | Castaic, CA | 19.6 GWh |
| #746 | Burton Dam | Clayton, GA | 19.6 GWh |
| #747 | Tieton Dam Hydro Electric Project | Rimrock, WA | 19.5 GWh |
| #748 | Falcon Dam & Power | Falcon Heights, TX | 19.3 GWh |
| #749 | Tuxedo | Flat Rock, NC | 19.3 GWh |
| #750 | Thermalito Diverson Dam | Oroville, CA | 19.2 GWh |
| #751 | Lighthouse Hill | Altmar, NY | 19.2 GWh |
| #752 | Turnbull Hydro | Fairfield, MT | 19.2 GWh |
| #753 | Vallecito Hydroelectric | Bayfield, CO | 19.1 GWh |
| #754 | Ketchikan | Ketchikan, AK | 19.1 GWh |
| #755 | Verdi | Verdi, NV | 19.1 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Rainbow (CT).
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| ALDI DC 2 | South Windsor, CT | 1.4 GWh | 7 mi |
| Algonquin Windsor Locks | Windsor Locks, CT | 125.2 GWh | 3.5 mi |
| Berkshire Power | Agawam, MA | 573.3 GWh | 9.4 mi |
| Bradley Energy Center | Windsor Locks, CT | 11.8 GWh | 1 mi |
| Canis Major Solar Farm | Suffield, CT | 3.6 GWh | 6.8 mi |
| East Windsor Solar One | East Windsor, CT | 8.5 GWh | 9.2 mi |
| ENGIE 2019 ProjectCo-MA1, LLC | Agawam, MA | 6.4 GWh | 9 mi |
| Goose Pond Solar | Southwick, MA | 7.0 GWh | 7.8 mi |
| Gravel Pit Solar, LLC | East Windsor, CT | 112.8 GWh | 7.7 mi |
| Hartford Landfill Solar EGF | Hartford, CT | 1.2 GWh | 8.8 mi |
| Kearsarge Southwick LLC | Southwick, MA | 4.5 GWh | 8.1 mi |
| Niagara Bottling - Bloomfield | Bloomfield, CT | 4.5 GWh | 4.1 mi |
| Norcap North | East Windsor, CT | 3.5 GWh | 8 mi |
| Norcap South | East Windsor, CT | 3.6 GWh | 8 mi |
| Pepperidge Farm Bloomfield | Bloomfield, CT | 15.5 GWh | 3.4 mi |
| Powder Hill | Enfield, CT | 3.3 GWh | 9.2 mi |
| Raffia Road Solar Project | Enfield, CT | 11.0 MWh | 7.6 mi |
| South Windsor Fuel Cell | South Windsor, CT | 38.9 GWh | 8 mi |
| Southington Solar One | Southington, CT | 8.8 GWh | 9.2 mi |
| Southwick Solar PV | Southwick, MA | 8.2 GWh | 9.7 mi |