Denryoku Museum OKKY (Okukiyotsu Power Station)

Overview

Explore the Denryoku Museum OKKY (Okukiyotsu Power Station), home to one of Japan's largest pumped-storage hydroelectric power plants. This interactive museum offers a fascinating look at real power generation equipment. Located near the Nikui Dam, the museum is a hidden gem accessible by car, a 40-minute drive from Echigo-Yuzawa Station or 20 minutes from the Yuzawa IC exit. Admission is free, and the facility offers barrier-free access, including wheelchair rentals and accessible restrooms. Discover the inner workings of hydroelectric power and learn about the unique system that utilizes the height difference between the Kassa and Nikui Dams. It's a great spot for families and those interested in engineering.

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