Kleen Energy Systems
1349 River Road, Middletown, CT 6457Plant Summary Information
Kleen Energy Systems is ranked #4 out of 168 power plants in Connecticut in terms of total annual net electricity generation.
Kleen Energy Systems is comprised of 3 generators and generated 891.0 GWh during the 3-month period between February 2026 to May 2026.
| Plant Name | Kleen Energy Systems |
|---|---|
| Utility Name | Kleen Energy Systems, LLC |
| Location | Lower Connecticut River Valley Planning Region, CT |
| Initial Operation Date | July 2011 |
| Last Update | May 2026 |
| Annual Generation | 3.7 TWh |
| Annual Consumption | 28.3 M MMBtu |
| Ranked #313 out of 13,081 Power Plants Nationwide | |
| Ranked #173 out of 2,206 Natural Gas Power Plants Nationwide | |
| Ranked #4 out of 168 Connecticut Power Plants | |
| Ranked #3 out of 52 Connecticut Natural Gas Power Plants | |
| Fuel Types | Natural Gas : 97.9% Distillate Fuel Oil : 2.1% |
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Monthly Net Generation for Kleen Energy Systems
Monthly Plant Fuel Consumption for Kleen Energy Systems
Kleen Energy Systems Details
| Summary Information | |
|---|---|
| Plant Name | Kleen Energy Systems (56798) |
| Plant Address | 1349 River Road, Middletown, CT 6457 |
| Utility | Kleen Energy Systems, LLC (55993) |
| Latitude, Longitude | 41.55323, -72.59687 |
| Generation Dates on File | Jul 2011 to May 2026 |
| Initial Operation Date | July 2011 |
| Annual Generation | 3.7 TWh |
| Fuel Types | Natural Gas : 97.9% Distillate Fuel Oil : 2.1% |
| 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 | 07-59-000 |
| 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 | Connecticut River |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Connecticut Light & Power Co (4176) CT |
| Grid Voltage | 345.00 kV |
| Energy Storage | No |
| Natural Gas Information | |
| Pipeline Name | Algonquin Gas Transmission Company |
| Natural Gas Storage | No |
Generator ST Details Operating July 2011
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Steam Part |
| Unit Code | CC01 |
| Ownership | Single Owner |
| Duct Burners | Yes |
| RTO ISO LMP Node Designation | 14614 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | 14614 |
| Nameplate Capacity | 295 MW |
| Nameplate Power Factor | 0.95 |
| Summer Capacity | 268 MW |
| Winter Capacity | 233 MW |
| Minimum Load | 177 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | July 2011 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | No |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | No |
Generator U1 Details Operating July 2011
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Combustion Turbine Part |
| Unit Code | CC01 |
| Ownership | Single Owner |
| Can Bypass Heat Recovery Steam Generator | No |
| RTO ISO LMP Node Designation | 14614 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | 14614 |
| Nameplate Capacity | 199 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 177 MW |
| Winter Capacity | 195 MW |
| Minimum Load | 120 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | July 2011 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Natural Gas / Distillate Fuel Oil |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | Yes |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | Yes |
| Multifuel Details | |
| Switch When Operating | Yes |
|---|---|
| Net Summer Capacity With Natural Gas | 177 MW |
| Net Winter Capacity With Natural Gas | 195 MW |
| Net Summer Capacity With Oil | 163 MW |
| Net Winter Capacity With Oil | 180 MW |
| Time To Switch From Gas To Oil | 6H |
| Time To Switch From Oil To Gas | 6H |
| Factors That Limit Switching | Yes |
| Storage Limits | Yes |
| Air Permit Limits | Yes |
| Other Limits | Yes |
Generator U2 Details Operating July 2011
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Combustion Turbine Part |
| Unit Code | CC01 |
| Ownership | Single Owner |
| Can Bypass Heat Recovery Steam Generator | No |
| RTO ISO LMP Node Designation | 14614 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | 14614 |
| Nameplate Capacity | 199 MW |
| Nameplate Power Factor | 1 |
| Summer Capacity | 177 MW |
| Winter Capacity | 195 MW |
| Minimum Load | 120 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | July 2011 |
| Combined Heat & Power | No |
| Sector Name | IPP Non-CHP (2) |
| Energy Source | Natural Gas / Distillate Fuel Oil |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 12H |
| Multiple Fuels | Yes |
| Cofire Fuels | No |
| Switch Between Oil And Natural Gas | Yes |
| Multifuel Details | |
| Switch When Operating | Yes |
|---|---|
| Net Summer Capacity With Natural Gas | 176 MW |
| Net Winter Capacity With Natural Gas | 195 MW |
| Net Summer Capacity With Oil | 163 MW |
| Net Winter Capacity With Oil | 180 MW |
| Time To Switch From Gas To Oil | 6H |
| Time To Switch From Oil To Gas | 6H |
| Factors That Limit Switching | Yes |
| Storage Limits | Yes |
| Air Permit Limits | Yes |
| Other Limits | Yes |
Kleen Energy Systems Plant Owners
| Owner Name | Address | Generator | Ownership | We couldn't locate any owners for this plant |
|---|
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Below are closest 20 power plants surrounding Kleen Energy Systems.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| CCSU Co-Gen-STBY Gen | New Britain, CT | 9.8 MWh | 13 mi |
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| CP East Hampton I & II Solar | East Hampton, CT | 3.3 GWh | 14 mi |
| CP Middletown Solar I LLC | Middletown, CT | 1.6 GWh | 5.7 mi |
| CP Middletown Solar II LLC | Middletown, CT | 1.6 GWh | 5.7 mi |
| DWW Solar ll | Simsbury, CT | 46.1 GWh | 6.4 mi |
| FDX010.0 FedEx Fuel Cell | Middletown, CT | 8.1 GWh | 6.7 mi |
| FedEx Middletown | Middletown, CT | 1.9 GWh | 7 mi |
| GenConn Middletown LLC | Middletown, CT | 6.5 GWh | 1 mi |
| Generate Colchester Fuel Cells, LLC | Colchester, CT | 72.4 GWh | 14 mi |
| Glastonbury Solar One | Glastonbury, CT | 821.0 MWh | 13.8 mi |
| Middletown | Middletown, CT | 33.0 GWh | 0.9 mi |
| Pratt & Whitney | East Hartford, CT | 75.9 GWh | 13.6 mi |
| Town of Rocky Hill PV CSG | Rocky Hill, CT | 5.0 GWh | 6.5 mi |
| Trinity College Fuel Cell | Hartford, CT | 11.5 GWh | 14.2 mi |
| UDR Glastonbury Fuel Cell | Glastonbury, CT | 15.8 GWh | 11.7 mi |
| Wallingford Energy | Wallingford, CT | 107.0 GWh | 14.3 mi |
| Wallingford Solar | Wallingford, CT | 15.4 GWh | 14.6 mi |
| Wesleyan University Cogen 1 | Middletown, CT | 4.0 GWh | 3 mi |