Privatised in 2005 KE is the only vertically integrated utility in Pakistan supplying electricity within a 6500 km square territory including Karachi and its adjoining areas.

In 1952, The Government of Pakistan nationalised KESC in order to facilitate the rapid increase in power demand following a surge in the population of Karachi.

[2] During the 2002-03 fiscal year, a major restructuring was undertaken, which included swapping Rs83 billion worth of debt for equity.

[2] In September 2003, the Privatization Commission of Pakistan initiated the sale of a 73 percent stake in Karachi Electric Supply Company (KESC), inviting expressions of interest from potential buyers.

[2] After a year of rigorous due diligence by three pre-qualified bidders, a pre-bid conference was held on October 7, 2004, with the final bidding occurring on February 4, 2005.