Okutadami Dam, Hydroelectric dam in Niigata and Fukushima Prefectures, Japan
Okutadami Dam is a hydroelectric facility built across the Tadami River on the border between Niigata and Fukushima Prefectures. The structure generates power by channeling water through multiple turbines installed at its base.
The facility was initiated in 1953 as Japan pursued major hydroelectric expansion during the post-war rebuild. The completed reservoir displaced several valley communities that lay beneath the future water level.
The dam represents a cornerstone of Japanese post-war industrial development, contributing to the nation's energy independence through its 560-megawatt hydroelectric power station.
The best time to visit is on clear days when you can see the structure and surrounding landscape well. Sturdy footwear is recommended since the walkways around the facility have uneven surfaces.
The facility operates with four turbines of different capacities working together to generate substantial power output, establishing this plant as one of Japan's largest conventional hydroelectric stations. This varied turbine arrangement allows flexible power generation based on water flow conditions.
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