Situated in Japan at coordinates 35.2406 latitude and 134.8617 longitude, the Okutataragi hydroelectric power facility represents a cornerstone of the region's energy generation capabilities. This plant, owned and operated by Kansai, boasts an impressive capacity of 1932 MW, making it one of the largest hydroelectric installations in the country. The technology utilized here is primarily pumped storage, which efficiently manages energy supply by storing water in higher elevation reservoirs during periods of low demand and releasing it for power generation during peak times. Commissioned in 1970, Okutataragi has been instrumental in enhancing the reliability of Japan's energy grid, particularly in the Kansai region where it helps to meet the fluctuating electricity demands. Its strategic location within a mountainous area allows for optimal water flow and energy generation, contributing to the overall effectiveness of the local grid. In light of Japan's energy policies that focus on increasing the use of renewable energy and reducing greenhouse gas emissions, the role of hydroelectric power plants like Okutataragi is increasingly vital. This facility not only supports the immediate energy needs of the local population but also plays a part in the national strategy to diversify energy sources and ensure a sustainable future for Japan's energy landscape.
1.93 GW
56 years old
Japan, Asia
- 57. largest of 662 plants in Japan
- #894 worldwide by installed capacity
- #115 of 8,493 Hydroelectric plants worldwide
- 0.56% of the installed capacity of Japan
56 years in operation
Hydroelectric fleet average: 42.1 years
Kansai operates 16 plants totalling 27,754 MW
52 plants within 100 km, 33,627 MW combined
Nearest plant: Okutataragi Pumped Storage Power Station (1.8 km)
Location
Zero Direct Emissions
Okutataragi is a hydro power plant producing approximately 6770 GWh of clean electricity per year with zero direct CO₂ emissions during operation.
Lifecycle emissions: ~24 g CO₂/kWh (manufacturing, transport, decommissioning)
Technical Details
- Primary Fuel Type
- Hydro
- Energy Source
- Renewable
- Country
Japan- Continent
- Asia
- Data Source
- Global Power Plant Database
Okutataragi Hydroelectric Power Plant: A Pillar of Japan's Renewable Energy Landscape
The Okutataragi Hydroelectric Power Plant, with a capacity of 1932 megawatts (MW), stands as a significant contributor to Japan's energy landscape. Owned by Kansai Electric Power Company, this facility harnesses the power of flowing water to generate electricity, playing a vital role in the country's transition towards renewable energy sources. Located in the mountainous region of Japan, the plant utilizes the natural topography to maximize the potential for hydroelectric generation, capitalizing on the abundant water resources available in the region.
Hydropower is a renewable energy source that relies on the kinetic energy of moving water to produce electricity. In the case of Okutataragi, the plant operates on the principle of gravitational force, where water is stored in a reservoir and released through turbines, converting potential energy into mechanical energy and subsequently into electrical energy. This process is highly efficient, with modern hydroelectric plants like Okutataragi achieving efficiency rates exceeding 90%. The use of hydroelectric power not only provides a stable and reliable source of electricity but also helps to mitigate the volatility of fossil fuel markets, thereby enhancing energy security for Japan.
The environmental impact of the Okutataragi power plant is generally considered to be more favorable compared to fossil fuel-based power generation. Hydropower plants emit little to no greenhouse gases during operation, significantly reducing their carbon footprint. However, the construction and operation of large hydroelectric plants can lead to ecological disruptions, including changes to local waterways, fish habitats, and surrounding ecosystems. In the case of Okutataragi, measures are taken to minimize these impacts, including fish ladders and habitat restoration initiatives to ensure that local biodiversity is preserved as much as possible.
Regionally, the Okutataragi power plant serves as a critical asset for the Kansai region, which includes major urban centers like Osaka and Kyoto. As Japan continues to grapple with energy challenges, particularly in the aftermath of the Fukushima disaster in 2011, hydroelectric power has gained renewed emphasis as a clean energy alternative. The Okutataragi facility not only contributes to the reduction of carbon emissions but also provides a reliable source of electricity, helping to stabilize the grid and support economic activities in the region.
In conclusion, the Okutataragi Hydroelectric Power Plant embodies Japan's commitment to sustainable energy practices. As a major player in the national grid, it highlights the importance of renewable energy sources in addressing the country's energy needs while promoting environmental stewardship. Through its advanced technology and strategic location, Okutataragi not only meets the energy demands of today but also paves the way for a cleaner, more sustainable energy future.
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