CESC Ltd (CESC) is an integrated energy utility company that generates, transmits and distributes electricity. The company generates electricity from various sources of energy including thermal, wind, solar and renewable. It owns and operates the transmission and distribution system through which it supplies electricity to consumers. It serves domestic, commercial, and industrial customers across Kolkata and its neighborhood. The company provides most of the customer’s electricity requirement from its own generating plants and the balance is purchased from third parties. It operates as the flagship company of RP-Sanjiv Goenka Group. CESC is headquartered in Kolkata, West Bengal, India.