Hachioji Geothermal Power Station — 110 MW Geothermal

八丁原地熱発電所 is a 110 MW geothermal power plant located in Japan, operated by 九州電力株式会社. Commissioned in 1990, it utilizes geothermal energy to produce electricity.

It is the largest geothermal plant in Japan, ranking 1st among the 16 geothermal plants in the country. With 110 MW, it represents 14.54% of Japan’s total geothermal capacity of 756 MW. Japan has 16 geothermal plants with a combined capacity of 756 MW. This facility is equal in size to the largest geothermal plant, Hatchobaru Otake, also at 110 MW.

Geothermal energy is an important part of Japan’s renewable energy strategy, contributing to the country’s efforts to diversify its energy sources. The volcanic activity in regions such as Kyushu provides significant geothermal resources. The plant is situated approximately 1,000 km southwest of Tokyo in Kumamoto Prefecture.