Press Release

Press Release

Start of Construction on the "Seinaiji Hydroelectric Power Station"

May 17, 2018
Chubu Electric Power Co.,Inc.

Chubu Electric Power would like to announce that it has started construction on the Seinaiji Hydroelectric Power Station today.

The Seinaiji Hydroelectric Power Station is a run-of-the-river power station with a power output of 5,600kW and is scheduled to start commercial operation in June 2022. (announced on March 07, 2016)

With the continued cooperation and understanding of the local community and related parties, we will proceed with construction putting safety first.

[Overview of the Seinaiji Hydroelectric Power Station]

Name of station

Seinaiji Hydroelectric Power Station


Achi-mura, Shimoina-gun, and Iida-shi, Nagano Prefecture

River system/river name

Tenryugawa system/Kurogawa and Ogurogawa

Power output


Maximum water consumption


Effective head

Approx. 273m

Estimated annual power output

Approx. 29 million kWh
(equivalent to the annual electricity use for approx. 8800 households)

Amount of reduced CO2 emissions

Around 13,000 tons per year

Scheduled start of operation

June 2022

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