Construction and Operation Technology of Thermal Power Plants (Coal)

  • Chugoku EPCO is increasing capacity, improving efficiency, and reinforcing the environmental performance of coal-fired power stations and applying its expertise to overseas IPP projects.
  • Unit 1 of Misumi power station (Shimane Prefecture, 1,000 MW of output) that started operation in 1998 is one of the largest coal-fired power stations in Japan. This is the first power station in Japan that applied 600℃-level ultra-supercritical (USC) pressure.
  • Shin Onoda power station (Yamaguchi Prefecture, 500 MW✱2 units of output) started operation in 1986 and 1987 and applied supercritical (SC) pressure.
  • Both power stations provide a stable power supply while maintaining a high level of thermal efficiency for the long term thanks to proper operation and maintenance. (Annual operation rate (except for during regular inspections) : approximately 90% or more)
  • In terms of improving environmental performance, Chugoku EPCO has installed environmental facilities to satisfy public demand as required in different eras. (Example: The world's first selective catalytic reduction (SCR) system and a moving electrode type electric precipitator in coal-fired power stations and flue gas desulfurization (FGD) system in coal-fired power stations for the first time among ten power companies in Japan.)
  • Chugoku EPCO has been accumulating expertise in coal-fired power through construction and long-term operations.


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