Overview
Okuyahagi Daini is a 780 MW hydroelectric power plant in Japan, operated by Chubu. It contributes to the country's renewable energy capacity.
Okuyahagi Daini is a hydroelectric power plant located in Japan, with an installed capacity of 780 megawatts (MW). Operated by Chubu, the facility plays a significant role in the region's power generation mix, leveraging Japan's mountainous terrain and abundant water resources for clean energy production. The plant operates under Japan's regulatory framework for renewable energy, which includes feed-in tariffs and grid access provisions. Hydroelectric plants like Okuyahagi Daini typically use run-of-river or reservoir-based systems, with modern turbine technology to maximize efficiency. Japan's power sector has been transitioning towards low-carbon sources, and hydroelectricity remains a key component. As a large-scale hydroelectric facility, Okuyahagi Daini provides baseload power with low operational emissions. Its location in central Japan supports grid stability and reduces reliance on fossil fuels. The plant's long operational life and consistent output contribute to Japan's energy security and climate goals.
Environmental context
Hydroelectric power generation has a low carbon footprint but can affect local aquatic ecosystems and water flow regimes. The Okuyahagi Daini plant's location in a mountainous region may involve reservoir creation, which can alter habitats and sediment transport. However, modern hydro operations include environmental flow management to mitigate impacts. The facility's large capacity indicates significant water use, but Japan's strict environmental regulations help balance energy production with ecological preservation.
Frequently asked questions
Okuyahagi Daini is a hydroelectric power plant located in Japan, specifically in the central region near coordinates 35.1950° N, 137.4627° E.
Okuyahagi Daini has an installed capacity of 780 megawatts (MW), making it a large-scale hydroelectric facility.
The plant is operated by Chubu, a major Japanese utility company.
Hydroelectric plants in Japan must comply with the River Act and environmental impact assessments, which address water flow, fish passage, and ecosystem protection. The government also promotes renewable energy through feed-in tariffs.
Hydroelectric power provides a stable, low-carbon source of baseload electricity in Japan, complementing solar and wind. It helps reduce reliance on imported fossil fuels and supports the country's goal of carbon neutrality by 2050.