The power plant started its operation after the commissioning of its first generation unit in January 1977.
Generation units
The power plant consists of four 500-MW generation units. The third 500-MW unit was finished on 19 December 1979 after a record-breaking construction period of 26 months. It went into operation in March 1980. The fourth 500-MW unit was completed in 1985 after 29 months construction period.[2][3]
The units 1 and 2 were decommissioned on Dec. 31, 2019.[5]
Components
The steam generator is rated at 1,701 tonne/hour, 176 kg/cm2 and 542 °C at superheater outlet and reheat to 542 °C.
The steam turbine is a tandem-compound with four flow exhaust, 3,600 rpm single reheat with throttle steam conditions of 166 kg/cm2, 538 °C with reheat to 538 °C.
The stacks are 200 meters high slip-form reinforced concrete stack.