Operations and Maintenance of the Plant is being undertaken under terms of a twenty-three year O&M Agreement with Asia Gulf Power Service Company (AGPS), a company formed specifically by foreign sponsors of TAPCO, that is Marubeni (35%), BTU (25%), Powertek (25%) and JGC (15%).

All staff previously employed by ATPC have been transferred to AGPS.

AGPS is responsible for the operation and maintenance of the entire Taweelah B Plant complex, which consists of Initial B Plant, Initial B Extension and New B Extension.

AGPS also undertakes the O&M activities of the Shared Facilities Company at the Taweelah IWPP Complex.