Summary of Electricity Activity in St. Mary Parish, LA

Summary of St. Mary Parish, LA Generation

St. Mary Parish, LA is ranked #1,023 out of 2,153 U.S. counties nationwide and #19 out of 32 Louisiana counties in terms of total annual net electricity generation.

Annual Generation 432.0 GWh
Annual Consumption 4.8 M MMBtu
Last UpdateDec 2024
Power Plants8
Companies on File5

Map of Top Producing Plants in St. Mary Parish, LA

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Overall National Rank

#1,023 /2,153 U.S. Counties

In Net Annual Generation

Overall State Rank

#19 /32 Louisiana Counties

In Net Annual Generation

Overall Annual Net Geneneration

432.0 GWh

Total Annual Fuel Consumption

4.8 M MMBtu

Electric Companies in St. Mary Parish, LA

5

St. Mary Parish, LA
Power Plants

8

Annual Net Generation From waste heat power

254.4 GWh

National Rank in Terms of waste heat Net Electricity Generation

#4 /23 U.S. Counties

State Rank in Terms of waste heat Net Electricity Generation

#1 /4 Louisiana Counties

Monthly Net Generation for St. Mary Parish, LA

Net Generation by Fuel Source

Net Generation by Fuel Source Breakdown

State RankNational RankGenerationFuel Consumption
All#19 / 32#1023 / 2153432.03 GWh4.84 M MMBtu
Waste Heat#1 / 4#4 / 23254.38 GWh939.24 k MMBtu
Natural Gas#16 / 25#494 / 927165.54 GWh1.49 M MMBtu
Other Fuel#1 / 1#5 / 712.11 GWh2.40 M MMBtu

Power Plants in St. Mary Parish, LA

PlantUtility NameGenerationConsumptionFuel Types
St. Mary Clean Energy CenterCleco Power LLC201.2 GWh745.6 k MMBtu Waste Heat
LEPA Unit No. 1Louisiana Energy & Power Authority144.7 GWh1.2 M MMBtu Natural Gas
Ivanhoe Generation FacilityOrion Engineered Carbons53.2 GWh193.6 k MMBtu Waste Heat
TecheCleco Power LLC20.9 GWh275.6 k MMBtu Natural Gas
Neptune Gas Processing PlantEnterprise Products Optg LP12.1 GWh2.4 M MMBtu Other Fuel
ExxonMobil Garden City Gas PlantExxon Mobil Production Co0.0 Wh0 MMBtu No Information Available
Franklin (LA)Cleco Power LLC0.0 Wh0 MMBtu No Information Available
Morgan CityLouisiana Energy & Power Authority0.0 Wh0 MMBtu No Information Available

Electricity Generation for Neighboring Counties

National RankCountyNet Generation# Power Plants
#263Acadia Parish5.2 TWh5
#558Ascension Parish1.7 TWh4
#333East Baton Rouge Parish3.8 TWh7
#77Iberville Parish11.5 TWh9
#1515Lafayette Parish80.4 GWh4
#17St. Charles Parish21.9 TWh6
#1174St. James Parish276.8 GWh5
#1469St. Landry Parish96.9 GWh2
#Terrebonne Parish-960.0 MWh1
#1347West Baton Rouge Parish155.0 GWh2

* Net Generation data is based on the last 12 months since Apr 2025

Electricity Generation for Cities Located in St. Mary Parish, LA

State RankCityNet Generation# Power Plants
#49Baldwin, LA20.9 GWh1
#29Centerville, LA213.3 GWh3
#44Franklin, LA53.2 GWh2
#35Morgan City, LA144.7 GWh2

* Net Generation data is based on the last 12 months since Dec 2024