Title Hydroelectric Power Stations on the Kachu River

  • Yamanashi
Topic(s):
Historic Sites/Castle Ruins
Medium/Media of Use:
Interpretive Sign App, QR code, etc.
Text Length:
≤250 Words
FY Prepared:
2018
Associated Tourism Board:
Tsuru Farm Stay Promotion Council
Associated Address:
1-1 Kamiya, Tsuru-shi , Yamanashi

家中川水力発電


都留の商店街沿いを流れる、小さな河川は家中川と呼ばれ、1639年の建設以来、この街の生活を支えてきました。最初は、飲料水や灌漑用の水を供給するために設計されましたが、近年は、水力発電として、市民を支えるようになりました。


現在、この川には3つの小発電所があり、親しみを込めて、元気くん1号、元気くん2号、元気くん3号と呼ばれています。元気くん1号は、都留市役所の前にあります。昔、都留にあったような、下から流れる水で回転する、伝統的な木製の水車に似せて作られましたが、古い設計を改良し、水のエネルギーをもっと効率よくとらえるために、後ろに曲がったブレードを使っています。元気くん2号は、さらに下流の、かつて、旧三の丸発電所があった場所の近くにあり、水が上から水車に落ちるという、新しい設計が特徴です。発電量は3台のうち最大です。元気くん3号は、谷村第一小学校の隣、元気くん1号と2号の間にあります。コンパクトで、非常に少量の水でも作動可能な、最新のらせん状ブレード翼を使っています。

Hydroelectric Power Stations on the Kachu River


Flowing along Tsuru’s market street is a small waterway called the Kachu River, which has helped sustain the city since it was constructed in 1639. Though it originally provided water for drinking and irrigation, the river has recently come to support the people of the city as a source of hydroelectric power.


Today the river hosts three small power stations, affectionately called Genki 1, Genki 2, and Genki 3. Genki 1 is located in front of Tsuru City Hall and was built to resemble a traditional wooden wheel turned by water flowing from below, such as one might have seen in Tsuru in the past. Here, though, the old design has been improved by using backward-curving blades to more efficiently capture the water’s energy. Genki 2 is located further downriver near the place where the old Sannomaru Power Station once stood. It features a newer design where water drops onto the wheel from above, and has the largest electric power output among the three stations. Genki 3, located next to Yamura Elementary School No. 1 and between Genkis 1 and 2, uses a state-of-the-art spiral blade turbine that is both compact and able to operate with very little water.

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