Tokyo Electric Power Company (Tepco) said it has completed the replacement of two turbines at its Futtsu thermal power station.
The Futtsu thermal power plant has a total production capacity of 5,040 MW, and uses LNG as fuel.
Tepco is currently replacing the gas turbines in the first two groups of seven combined cycle units each, under a plan to improve the power generation efficiency from 47.2% to 54.3%.
According to a company statement, 13 of the total 14 units with a rated output of 165,000 kW will be replaced in total. The remaining 11 units will be replaced sequentially.