Trigen St. Louis
One Ashley Place, St Louis, MO 63102Plant Summary Information
Trigen St. Louis is ranked #24 out of 35 natural gas power plants in Missouri in terms of total annual net electricity generation.
Trigen St. Louis is comprised of 6 generators and generated 15.3 GWh during the 3-month period between May 2026 to August 2026.
| Plant Name | Trigen St. Louis |
|---|---|
| Utility Name | Centerstream STL, LLC |
| Location | St. Louis County, MO |
| Initial Operation Date | June 1999 |
| Last Update | Aug 2026 |
| Annual Generation | 15.3 GWh |
| Annual Consumption | 225.7 k MMBtu |
| Ranked #5,730 out of 13,301 Power Plants Nationwide | |
| Ranked #1,462 out of 2,218 Natural Gas Power Plants Nationwide | |
| Ranked #67 out of 127 Missouri Power Plants | |
| Ranked #24 out of 35 Missouri Natural Gas Power Plants | |
| Fuel Types | Natural Gas |
| Previous Operators |
Trigen St Louis Energy Corporation (2013 to 2015) Ashley Energy LLC (2016 to 2023) Centerstream STL, LLC (2024 to 2025) |
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Monthly Net Generation for Trigen St. Louis
Monthly Plant Fuel Consumption 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 | Centerstream STL, LLC (50130) |
| Latitude, Longitude | 38.6359, -90.1809 |
| Generation Dates on File | Jan 2004 to Aug 2026 |
| Initial Operation Date | June 1999 |
| Annual Generation | 15.3 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 |
|---|
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