Trigen St. Louis
One Ashley Place, St Louis, MO 63102Plant Summary Information
Trigen St. Louis is ranked #40 out of 115 power plants in Missouri in terms of total annual net electricity generation.
Trigen St. Louis is comprised of 6 generators and generated 24.0 GWh during the 3-month period between December 2024 to March 2025.
| Plant Name | Trigen St. Louis |
|---|---|
| Utility Name | Ashley Energy LLC |
| Location | St. Louis County, MO |
| Initial Operation Date | June 1999 |
| Last Update | Mar 2025 |
| Annual Generation | 88.7 GWh |
| Annual Consumption | 1.1 M MMBtu |
| Ranked #3,371 out of 11,623 Power Plants Nationwide | |
| Ranked #922 out of 2,187 Natural Gas Power Plants Nationwide | |
| Ranked #40 out of 115 Missouri Power Plants | |
| Ranked #16 out of 34 Missouri Natural Gas Power Plants | |
| Fuel Types | Natural Gas |
| Previous Operator |
Trigen St Louis Energy Corporation (2013 to 2015) Ashley Energy LLC (2016 to 2023) |
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Monthly Net Generation for Trigen St. Louis
Trigen St. Louis Details
| Summary Information | |
|---|---|
| Plant Name | Trigen St. Louis (56309) |
| Plant Address | One Ashley Place, St Louis, MO 63102 |
| Utility | Ashley Energy LLC (50130) |
| Latitude, Longitude | 38.6359, -90.1809 |
| Generation Dates on File | Jan 2004 to Mar 2025 |
| Initial Operation Date | June 1999 |
| Annual Generation | 88.7 GWh |
| Fuel Types | Natural Gas |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | Yes |
| FERC Cogeneration Docket Number | 99-83-000 |
| FERC Small Power Producer Status | No |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Non-Regulated |
| NERC Region | SERC |
| Balancing Authority | Midcontinent Independent Transmission System Operator, Inc.. (MISO) |
| NAICS Code | Utilities (22) |
| Sector | IPP CHP (3) |
| Water Source | Mississippi River |
| Ash Impoundment | No |
| Transmission / Distribution Owner | Union Electric Co - (MO) (19436) MO |
| Grid Voltage | 138.00 kV |
| Energy Storage | No |
| Natural Gas Information | |
| Pipeline Name | MISSISSIPPI RIVER TRANSMISSION CORP |
| Natural Gas Storage | No |
Generator IC-1 Details Operating June 1999
| Technology | Natural Gas Internal Combustion Engine |
|---|---|
| Prime Mover | Internal Combustion Engine |
| Ownership | Single Owner |
| Nameplate Capacity | 1.2 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 1.2 MW |
| Winter Capacity | 1.2 MW |
| Minimum Load | 0.1 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | June 1999 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | IPP CHP (3) |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 10M |
| Multiple Fuels | No |
| Cofire Fuels | No |
Generator ST-4 Details Operating June 1999
| Technology | Natural Gas Steam Turbine |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | AMMO.TRIGCTG1 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | AMMO.TRIGCTG1 |
| Nameplate Capacity | 1.5 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 1.5 MW |
| Winter Capacity | 1.5 MW |
| Minimum Load | 0.1 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | June 1999 |
|---|---|
| Combined Heat & Power | Yes |
| Sector Name | IPP CHP (3) |
| Topping Or Bottoming | T |
| Energy Source | Natural Gas |
| Startup 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 ST-5 Details Operating June 1999
| Technology | Natural Gas Steam Turbine |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| RTO ISO LMP Node Designation | AMMO.TRIGCTG1 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | AMMO.TRIGCTG1 |
| Nameplate Capacity | 1.5 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 1.5 MW |
| Winter Capacity | 1.5 MW |
| Minimum Load | 0.1 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | June 1999 |
|---|---|
| Combined Heat & Power | Yes |
| Sector Name | IPP CHP (3) |
| Topping Or Bottoming | T |
| Energy Source | Natural Gas |
| Startup 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 CT-1 Details Operating July 1999
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Single Shaft |
| Unit Code | G401 |
| Ownership | Single Owner |
| Duct Burners | Yes |
| Can Bypass Heat Recovery Steam Generator | No |
| RTO ISO LMP Node Designation | AMMO.TRIGCTG1 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | AMMO.TRIGCTG1 |
| Nameplate Capacity | 5.9 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 5.5 MW |
| Winter Capacity | 6.2 MW |
| Minimum Load | 0.5 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | July 1999 |
| Combined Heat & Power | Yes |
| Sector Name | IPP CHP (3) |
| Topping Or Bottoming | T |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 1H |
| Multiple Fuels | No |
| Cofire Fuels | No |
Generator CT-2 Details Operating July 1999
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Single Shaft |
| Unit Code | G401 |
| Ownership | Single Owner |
| Duct Burners | Yes |
| Can Bypass Heat Recovery Steam Generator | No |
| RTO ISO LMP Node Designation | AMMO.TRIGCTG1 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | AMMO.TRIGCTG1 |
| Nameplate Capacity | 5.9 MW |
| Nameplate Power Factor | 0.9 |
| Summer Capacity | 5.5 MW |
| Winter Capacity | 6.2 MW |
| Minimum Load | 0.5 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | July 1999 |
| Combined Heat & Power | Yes |
| Sector Name | IPP CHP (3) |
| Topping Or Bottoming | T |
| Energy Source | Natural Gas |
| Solid Fuel Gasification | No |
| Carbon Capture Technology | No |
| Time From Cold Shutdown To Full Load | 1H |
| Multiple Fuels | No |
| Cofire Fuels | No |
Generator ST-3 Details Operating June 2000
| Technology | Natural Gas Fired Combined Cycle |
|---|---|
| Prime Mover | Combined Cycle Steam Part |
| Unit Code | G401 |
| Ownership | Single Owner |
| Duct Burners | Yes |
| RTO ISO LMP Node Designation | AMMO.TRIGCTG1 |
| RTO ISO Location Designation For Reporting Wholesale Sales Data | AMMO.TRIGCTG1 |
| Nameplate Capacity | 18.2 MW |
| Nameplate Power Factor | 0.8 |
| Summer Capacity | 18.2 MW |
| Winter Capacity | 18.2 MW |
| Minimum Load | 1.1 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
|---|---|
| First Operation Date | June 2000 |
| Combined Heat & Power | Yes |
| Sector Name | IPP CHP (3) |
| Topping Or Bottoming | T |
| Energy Source | Natural Gas |
| Startup 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 |
Trigen St. Louis 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 Natural Gas.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #912 | CML&P Generating Facility No. 2 | Coffeyville, KS | 93.2 GWh |
| #913 | Oak Point Cogen | Belle Chasse, LA | 92.8 GWh |
| #914 | Harlem River Yard | Bronx, NY | 92.5 GWh |
| #915 | Greens Bayou | Houston, TX | 92.3 GWh |
| #916 | Pratt & Whitney | East Hartford, CT | 91.7 GWh |
| #917 | University of Notre Dame | Notre Dame, IN | 92.3 GWh |
| #918 | Ashdown | Ashdown, AR | 566.9 GWh |
| #919 | Bellingham Cogeneration Facility | Bellingham, MA | 102.2 GWh |
| #920 | Anson County Generation Facility | Lilesville, NC | 92.2 GWh |
| #921 | Castleton Energy Center | Castleton, NY | 89.9 GWh |
| #923 | Washington County Power LLC | Sandersville, GA | 88.5 GWh |
| #924 | Niland Gas Turbine Plant | Niland, CA | 88.4 GWh |
| #925 | Pea Ridge | Pace, FL | 88.4 GWh |
| #926 | Stillwater Energy Center | Stillwater, OK | 88.4 GWh |
| #927 | Friendswood Energy | Houston, TX | 88.2 GWh |
| #928 | Wayne County | Goldsboro, NC | 90.7 GWh |
| #929 | Clayville | Vineland, NJ | 87.4 GWh |
| #930 | Macon Energy Center | Macon, MO | 87.3 GWh |
| #931 | Mooreland | Mooreland, OK | 86.8 GWh |
| #932 | Winchester Power Park | Winchester, TX | 86.2 GWh |
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