Andhra Pradesh Power Generation Corporation Limited is power generating organization in Andhra Pradesh. It undertakes operation and maintenance of the power plants and also setting up new power projects alongside upgrading the project's capacity.

Government of Andhra Pradesh realizing the declining tendency of the financial position of APSEB and considering the recommendations made by committee it was unbundled into Andhra Pradesh Power Generation Corporation APGENCO & Transmission Corporation of Andhra Pradesh Limited APTRANSCO on 1 February 1999 by AP Electricity REFORMS ACT. APTRANSCO was further unbundled w.e.f. 1 April 2000 into "Transmission Corporation" and four "Distribution Companies" DISCOMS. From Feb 1999 to June 2005 APTransco remained as single buyer in purchasing and selling of power to DISCOMs.