EXHIBIT 21 CLECO CORPORATION SUBSIDIARIES OF THE REGISTRANT As of December 31, 2000 State of Incorporation Subsidiaries of Registrant or Organization - -------------------------- ---------------------- Cleco Power LLC......................................... Louisiana Utility Construction & Technology Solutions LLC (Formerly Cleco Services LLC) d/b/a UtiliTech Solutions.............................................. Louisiana CLE Resources, Inc. .................................... Delaware Cleco Support Group LLC................................. Louisiana Cleco Midstream Resources LLC........................... Louisiana Acadia Power Holding LLC................................ Louisiana Acadia Power Partners LLC............................... Delaware Perryville Energy Partners LLC.......................... Delaware Perryville Energy Holding LLC........................... Louisiana Cleco Generation Services LLC........................... Louisiana Cleco Marketing & Trading LLC........................... Louisiana Cleco Evangeline LLC.................................... Louisiana Cleco Energy LLC........................................ Texas