St. Mary Clean Energy Center
155 Power Island Lane, Centerville, LA 70522Plant Summary Information
St. Mary Clean Energy Center is ranked #5 out of 29 waste heat power plants nationwide in terms of total annual net electricity generation.
St. Mary Clean Energy Center is comprised of 1 generator and generated 45.1 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | St. Mary Clean Energy Center |
|---|---|
| Utility Name | Cleco Power LLC |
| Location | St. Mary Parish, LA |
| Initial Operation Date | August 2019 |
| Last Update | Dec 2025 |
| Annual Generation | 181.3 GWh |
| Annual Consumption | 679.6 k MMBtu |
| Ranked #2,667 out of 13,081 Power Plants Nationwide | |
| Ranked #5 out of 29 Waste Heat Power Plants Nationwide | |
| Ranked #49 out of 86 Louisiana Power Plants | |
| Ranked #1 out of 5 Louisiana Waste Heat Power Plants | |
| Fuel Types | Waste Heat |
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Monthly Net Generation for St. Mary Clean Energy Center
Monthly Plant Fuel Consumption for St. Mary Clean Energy Center
St. Mary Clean Energy Center Details
| Summary Information | |
|---|---|
| Plant Name | St. Mary Clean Energy Center (60610) |
| Plant Address | 155 Power Island Lane, Centerville, LA 70522 |
| Utility | Cleco Power LLC (3265) |
| Latitude, Longitude | 29.68455, -91.47062 |
| Generation Dates on File | Aug 2019 to Dec 2025 |
| Initial Operation Date | August 2019 |
| Annual Generation | 181.3 GWh |
| Fuel Types | Waste Heat |
| 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 | SERC |
| Balancing Authority | Midcontinent Independent Transmission System Operator, Inc.. (MISO) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | Gulf Intracoastal Waterway |
| Ash Impoundment | |
| Transmission / Distribution Owner | Cleco Power LLC (3265) LA |
| Grid Voltage | 34.50 kV |
| Energy Storage | No |
Generator 1 Details Operating August 2019
| Technology | All Other |
|---|---|
| Prime Mover | Steam Turbine |
| Ownership | Single Owner |
| Nameplate Capacity | 50.9 MW |
| Nameplate Power Factor | 0.85 |
| Summer Capacity | 41.1 MW |
| Winter Capacity | 41.1 MW |
| Minimum Load | 10.2 MW |
| Uprate/Derate Completed | No |
| Status | Operating |
| First Operation Date | August 2019 |
|---|---|
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Waste Heat |
| Startup Source | Natural Gas |
| 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 |
St. Mary Clean Energy Center Plant Owners
| Owner Name | Address | 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 Waste Heat.
| Rank | Plant Name | Plant Location | Annual Generation |
|---|---|---|---|
| #1 | Heat Recovery Coke Facility | East Chicago, IN | 416.1 GWh |
| #2 | Mosaic New Wales Operations | Mulberry, FL | 356.3 GWh |
| #3 | PCS Phosphate | Aurora, NC | 225.5 GWh |
| #4 | Mosaic Co Bartow Facility | Bartow, FL | 193.5 GWh |
| #6 | Wilmington Hydrogen Plant | Wilmington, CA | 179.0 GWh |
| #7 | OREG 2 Inc | Culbertson, MT | 126.3 GWh |
| #8 | OREG 1 Inc | Culbertson, MT | 124.0 GWh |
| #9 | Lake Charles Plant | Sulphur, LA | 114.8 GWh |
| #10 | Kennecott Power Plant | Magna, UT | 135.6 GWh |
| #11 | Arq Solutions Red River | Coushatta, LA | 99.8 GWh |
| #12 | Mosaic Phosphates Uncle Sam | Uncle Sam, LA | 101.9 GWh |
| #13 | Mosaic South Pierce Operations | Mulberry, FL | 80.6 GWh |
| #14 | Simplot Leasing Don Plant | Pocatello, ID | 73.2 GWh |
| #15 | Bayway Refinery | Linden, NJ | 72.6 GWh |
| #16 | Ivanhoe Generation Facility | Franklin, LA | 72.2 GWh |
| #17 | Rentech Nitrogen Pasadena Cogeneration | Pasadena, TX | 65.4 GWh |
| #18 | Houston Plant | Houston, TX | 52.5 GWh |
| #19 | Air Products Texas City | Texas City, TX | 47.9 GWh |
| #20 | Williams Ignacio Natural Gas Plant | Durango, CO | 47.1 GWh |
| #21 | OREG 3 Inc | Trimont, MN | 42.9 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding St. Mary Clean Energy Center.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| Atlantic Alumina, Gramercy Operations | Gramercy, LA | 208.1 GWh | 54.4 mi |
| Carville Energy LLC | St Gabriel, LA | 2.7 TWh | 44.8 mi |
| Geismar | Geismar, LA | 625.6 GWh | 45.4 mi |
| Geismar Cogen | Geismar, LA | 528.4 GWh | 46.2 mi |
| Hargis-Hebert Electric Generating | Lafayette, LA | 75.7 GWh | 45.8 mi |
| Ivanhoe Generation Facility | Franklin, LA | 72.2 GWh | 17.2 mi |
| LA3 West Baton Rouge Solar Facility | West Baton Rouge, LA | 109.9 GWh | 54.6 mi |
| LaO Energy Systems | Plaquemine, LA | 1.4 TWh | 46.1 mi |
| Louisiana Sugar Refining | Gramercy, LA | 9.1 GWh | 53.5 mi |
| LSU Cogen | Baton Rouge, LA | 98.2 GWh | 53.1 mi |
| Magnolia Power | Plaquemine, LA | 1.9 TWh | 43.3 mi |
| Mosaic Phosphates Uncle Sam | Uncle Sam, LA | 101.9 GWh | 45.6 mi |
| Neptune Gas Processing Plant | Centerville, LA | 14.1 GWh | 3.8 mi |
| Plaquemine Cogeneration Plant | Plaquemine, LA | 5.7 TWh | 46.2 mi |
| Port Allen (LA) | Port Allen, LA | 49.8 GWh | 56.9 mi |
| Shell Chemical | Geismar, LA | 585.3 GWh | 45.4 mi |
| St. James Solar (LA) | Vacherie, LA | 49.6 GWh | 48.5 mi |
| T J Labbe Electric Generating | Lafayette, LA | 46.6 GWh | 52.3 mi |
| Teche | Baldwin, LA | 5.5 GWh | 10.4 mi |
| Westlake Plaquemine | Plaquemine, LA | 1.4 TWh | 43.2 mi |