CESC Ltd (CESC) is an integrated power utility company engaged in the generation and distribution of electricity. The company's operation is spanning the entire value chain: right from mining coal, generating power, distribution of power. They serve 2.4 million customers within 567 square kilometers of Kolkata and Howrah, delivering safe, cost-effective and reliable energy to their consumers. The company operates in three segments, namely Power, which is engaged in the generation and distribution of electricity; Retail, which is engaged in organized retailing, and Property, which is involved in property development.
CESC Ltd was incorporated on March 28, 1978 with the name The Calcutta Electric Supply Corporation (India) Ltd. In the year 1983, the company commissioned the Titagarh generating station, with a capacity of 240 MW, which marked the beginning of a new approach to solve the State's power shortage. In January 1, 1987, the company changed their name to CESC Ltd.
In the year 1988, the company signed a Memorandum of Understanding (MoU) with the consultancy & contracts division of Neyveli Lignite Corporation for cabling work. A MoU was signed between the Consultancy & Contracts Division and MECON; a public sector consultancy firm to jointly undertake consultancy and construction contracts in power and engineering field both in and outside the India. The 135MW Southern Generating Station was completed in the shortest possible time. The first unit commenced supply in September of the year 1990, followed by the second unit in May of the year 1991. In the year 1991, the company received all statutory clearances for the 500 MW power stations at Budge Budge.
In the year 1995, the company promoted a new company under the name of Integrated Coal Mining Pvt Ltd to undertake the work particularly for power companies to be directly involved in mining. In the year 1996, the company had endorsed a new company namely Balagarh Power Company Ltd, for setting up a 1500 MW thermal power station. In the year 1997, The Sunday Times of India gave the highest rating to CESC's Calcutta - 10 out of 10 on the power position, when compared to other metropolitan cities of India. Budge Budge's boiler of the first unit was lighted up on March 30, 1997. The second unit was synchronised on March 6, 1999.
In the year 2001, the company's Titagarh Thermal Power Station was awarded the ISO 9002 certification. In the year 2003, Chemithon Engineers Ltd along with Heavy Water Board of the Government started work on development of a process to bring down emission levels at the company. Also, the company unveiled multi-pronged scheme to curb pollution at its thermal power facilities.
In the year 2004, Hindustan Lever Ltd made a tie up with the company for sampling of Pepsodent toothpaste. Also, the company made an alliance with PTC. In the year 2005, the company made a tie up with Power Finance Corporation Ltd (PFC) to repay debt and signed a MoU with Government of Jharkhand. In March 21, 2007, the company was awarded a Bronze shield for the outstanding performance of their Budge Budge station amongst all coal and lignite fired power stations in India.
During the year 2007-08, Spencer's Retail Limited (SRL), a well established company engaged in the business of operating and managing a large chain of retail stores across India with ambitious growth plans for the future, became a subsidiary company with effect from April 1, 2007 with the company's holding being 94.7% in SRL.
During the year 2008-09, the company's Budge Budge Generating Station won the Green Tech Foundation 'Environment Excellence Gold Award'. In February 2010, the third unit of 250 MW at Budge Budge Generating Station was commissioned, together with an associated power evacuation system comprising 89 km of 220 kV double circuit transmission lines. Simultaneously, the 220 kV Eastern Metropolitan Substation with three 160 MVA, 220/132/33 kV transformers was also commissioned.
During the year 2010-11, the company formed two subsidiaries, namely Bantal Singapore Pte Ltd and CESC Projects Pvt Ltd. The plant capacity at the Southern Receiving Station was augmented by replacing the existing 55 MVA 132/33 kV transformer with a 75 MVA transformer. They commissioned on new distribution station and the plant capacities at eight other were increased.
The company is navigating the process of execution of many new power generation projects which are under various phases of conceptualization, planning and implementation.