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- TECO Energy
TECO Energy Inc. is an energy-related holding company. Its principal subsidiary, Tampa Electric Company , is a regulated utility in Florida with both electric and gas divisions (Tampa Electric and Peoples Gas System). Tampa Electric serves more than 687,000 customers in West Central Florida, and Peoples Gas serves more than 345,000 customers in most of Florida’s major metropolitan areas and beyond. Its other major subsidiary, TECO Coal, owns and operates coal-production facilities in Kentucky and Virginia.