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The Company (Details)
customer in Thousands
Dec. 31, 2024
generation_unit
customer
MW
CLECO POWER  
Organization, Consolidation and Presentation of Financial Statements [Line Items]  
Number of generating units owned | generation_unit 8
Nameplate capacity of all generating units (MW) | MW 2,676
Approximate number of customers served | customer 295
CLECO POWER | Oxbow  
Organization, Consolidation and Presentation of Financial Statements [Line Items]  
Ownership interest in lignite entity 50.00%
Cleco Cajun  
Organization, Consolidation and Presentation of Financial Statements [Line Items]  
Number of generating units owned | generation_unit 14
Nameplate capacity of all generating units (MW) | MW 3,379