Tunnel
72 Roosevelt Drive, Preston, CT 6365Plant Summary Information
Tunnel is ranked #8 out of 12 hydroelectric power plants in Connecticut in terms of total annual net electricity generation.
Tunnel is comprised of 3 generators and generated 329.0 MWh during the 3-month period between September 2024 to December 2024.
| Plant Name | Tunnel |
|---|---|
| Utility Name | FirstLight Power Resources Services LLC |
| Location | Southeastern Connecticut Planning Region, CT |
| Initial Operation Date | January 1919 |
| Last Update | Dec 2024 |
| Annual Generation | 7.7 GWh |
| Annual Consumption | 30.5 k MMBtu |
| Ranked #6,986 out of 12,539 Power Plants Nationwide | |
| Ranked #1,018 out of 1,332 Water Power Plants Nationwide | |
| Ranked #73 out of 161 Connecticut Power Plants | |
| Ranked #8 out of 12 Connecticut Water Power Plants | |
| Fuel Types | Water |
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Monthly Net Generation for Tunnel
Tunnel Details
| Summary Information | |
|---|---|
| Plant Name | Tunnel (557) |
| Plant Address | 72 Roosevelt Drive, Preston, CT 6365 |
| Utility | FirstLight Power Resources Services LLC (54895) |
| Latitude, Longitude | 41.55543, -72.04183 |
| Generation Dates on File | Jan 2001 to Dec 2024 |
| Initial Operation Date | January 1919 |
| Annual Generation | 7.7 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 | Quinebaug |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Connecticut Light & Power Co (4176) CT |
| Grid Voltage | 23.00 kV |
| Energy Storage | No |
Generator 1 Details Operating January 1919
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Wholly Owned by Other Entity |
| Nameplate Capacity | 1 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 0.8 MW |
| Winter Capacity | 1.1 MW |
| Minimum Load | 0.3 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | January 1919 |
|---|---|
| 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 | 1H |
| Other Planned Modifications | No |
| Multiple Fuels | No |
Generator 2 Details Operating January 1949
| Technology | Conventional Hydroelectric |
|---|---|
| Prime Mover | Hydroelectric Turbine |
| Ownership | Wholly Owned by Other Entity |
| Nameplate Capacity | 1 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 0.8 MW |
| Winter Capacity | 1.1 MW |
| Minimum Load | 0.3 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | January 1949 |
|---|---|
| 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 | 1H |
| Other Planned Modifications | No |
| Multiple Fuels | No |
Generator 10 Details Standby January 1969
| Technology | Petroleum Liquids |
|---|---|
| Prime Mover | Combustion Turbine |
| Ownership | Wholly Owned by Other Entity |
| Nameplate Capacity | 18.5 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 16.5 MW |
| Winter Capacity | 21.8 MW |
| Minimum Load | 5 MW |
| Uprate/Derate Completed | No |
| Status | Standby |
| Synchronized To Transmission Grid | Yes |
| First Operation Date | January 1969 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Jet Fuel |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 1H |
| Other Planned Modifications | No |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Tunnel 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 10 | 100.00% |
| FirstLight Hydro Generating Company | 143 West Street Ext. Suite E, New Milford, CT 6776 | Generator 2 | 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 |
|---|---|---|---|
| #1008 | Johnsonville Dam | Johnsonville, NY | 8.0 GWh |
| #1009 | Eltopia Branch Canal 4.6 | Pasco, WA | 8.0 GWh |
| #1010 | Phoenix | Sonora, CA | 8.0 GWh |
| #1011 | Boise R Diversion | Boise, ID | 7.9 GWh |
| #1012 | Brigham City | Brigham, UT | 7.8 GWh |
| #1013 | Cobble Mountain | Granville, MA | 7.8 GWh |
| #1014 | Hamilton Hydro | HAMILTON, OH | 7.8 GWh |
| #1015 | Taylor Draw Hydroelectric Facility | Rangely, CO | 7.8 GWh |
| #1016 | Drop 1 | Holtville, CA | 7.8 GWh |
| #1017 | Sheep Creek Hydro | Northport, WA | 7.8 GWh |
| #1019 | Diana Hydroelectric | Harrisville, NY | 7.7 GWh |
| #1020 | LAC Courte Oreilles Hydroelect | Winter, WI | 7.7 GWh |
| #1021 | Thornapple | Bruce, WI | 7.6 GWh |
| #1022 | Niagara | Vinton, VA | 7.6 GWh |
| #1023 | Halsey | Auburn, CA | 7.6 GWh |
| #1024 | Wappinger Falls Hydroelectric | Wappinger Falls, NY | 7.6 GWh |
| #1025 | Macomb | Malone, NY | 7.5 GWh |
| #1026 | Newcastle | Auburn, CA | 7.5 GWh |
| #1027 | Superior Falls | Ironwood, MI | 7.5 GWh |
| #1028 | Bear Creek (CA) | Shingletown, CA | 7.4 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding Tunnel.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Backus Microgrid Project | Norwich, CT | 789.0 MWh | 2.8 mi |
| Clinton Solar | Griswold, CT | 1.7 GWh | 7.5 mi |
| CMEEC - Bozrah | Bozrah, CT | 3.0 GWh | 6.1 mi |
| CMEEC - Norwich Stott St Solar Hybrid | Norwich, CT | 4.0 GWh | 3.6 mi |
| CMEEC - Rogers Rd Solar | Norwich, CT | 875.0 MWh | 4.3 mi |
| Conn Mun Electric Energy Coop | Norwich, CT | 1.1 GWh | 4.3 mi |
| Covanta Southeastern Connecticut Company | Preston, CT | 113.3 GWh | 5.7 mi |
| Fort Hill 1, 2, 3 & 4 | Uncasville, CT | 618.0 MWh | 6.6 mi |
| Foxwoods CoGen | Mashantucket, CT | 10.8 GWh | 7.1 mi |
| Fusion Solar Center LLC | Baltic, CT | 40.3 GWh | 4.7 mi |
| Jackson Solar (CT) | Griswold, CT | 1.4 GWh | 7.4 mi |
| Jewett City 1 | Jewett City, CT | 205.0 MWh | 4.6 mi |
| LNG 1 & 2 | Norwich, CT | 494.0 MWh | 4 mi |
| Norwich WWTP | Norwich, CT | 1.0 MWh | 3 mi |
| Rand Whitney CHP Plant | Montville, CT | 134.9 GWh | 8.6 mi |
| Scotland Dam | Windham, CT | 6.6 GWh | 8.6 mi |
| Sherman Solar | Griswold, CT | 1.4 GWh | 7.5 mi |
| Taftville | Taftville, CT | 2.9 GWh | 1.2 mi |
| Tenth Street | Norwich, CT | 3.2 GWh | 1.2 mi |
| Wheelabrator Lisbon | Lisbon, CT | 101.0 GWh | 2 mi |