Nishi Shimane Substation is a 500kV substation located in Nishi Shimane, Hiroshima, Japan.

The Nishi Shimane Substation project’s construction has begun in 2020. The works are expected to be commissioned in 2022.


Nishi Shimane Substation project, which is a new substation, will be operated by The Chugoku Electric Power.

The designed voltage level of the substation is 500/220kV and the operating voltage level is 500/220kV.

The step-in voltage of the project is 500kV and the step-out voltage is 220kV. Upon completion, the substation will have a capacity of 1000MVA.

Nishi Shimane Substation project development status

The development of the Nishi Shimane Substation project was approved by The Energy Conservation Center in 2020. The project is expected to be commissioned in 2022.

About The Chugoku Electric Power

The Chugoku Electric Power Co Inc (Chugoku Electric) is an integrated energy utility. It generates, transmits and distributes electricity and supplies natural gas and other fuels. The company produces power using thermal, hydro, nuclear and renewable energy sources. Chugoku Electric also provides internet connection, telephone, broadcasting and Ethernet telecommunications network services; and environmental harmony creation, business and lifestyle support and electricity related support services. It is owned by Japan Trustee Services Bank Ltd, Yamaguchi Prefecture, The Master Trust Bank of Japan Ltd and others.


All publicly-announced T&D Line & Substation projects included in this analysis are drawn from GlobalData’s Power IC. The information regarding the projects is sourced through secondary information sources such as country specific utility players, company news and reports, statistical organisations, regulatory body, government planning reports and their publications and is further validated through primary from various stakeholders such as power utility companies, consultants, energy associations of respective countries, government bodies and professionals from leading players in the power sector.