The Okutataragi Pumped Storage Power Station is a significant hydroelectric power generation facility located in Japan, specifically at coordinates 35.2375 latitude and 134.8811 longitude. Operated by Kansai Electric Power Company, this power plant plays a crucial role in stabilizing the energy grid by providing a flexible and reliable source of electricity. With a remarkable capacity of 1932 MW, Okutataragi is one of the largest pumped storage power stations in the region, contributing significantly to Japan's energy mix. Pumped storage technology involves using excess power to pump water to an elevated reservoir during low demand periods and releasing it to generate electricity during peak demand, making it an essential component for managing energy supply and demand. The plant was commissioned in 1970 and has since been integral in supporting the Kansai region's electricity needs, particularly in times of high consumption. The location of Okutataragi in the mountainous terrain of Japan enhances its capability to harness hydro resources efficiently. As Japan continues to transition towards more sustainable energy practices, the importance of hydroelectric power, particularly from facilities like Okutataragi, remains vital. The plant not only provides energy during peak hours but also helps to balance the intermittent nature of renewable energy sources such as solar and wind, which are increasingly being integrated into the national grid. In the context of Japan’s energy policies, which emphasize reducing reliance on fossil fuels and increasing the share of renewable energy, the Okutataragi Pumped Storage Power Station stands out as a pivotal asset in achieving energy security and sustainability.
1.93 GW
56 years old
Japan, Asia
- Primary Fuel Type
- Hydro
- Energy Source
- Renewable
- Country
Japan- Continent
- Asia
- Data Source
- Global Power Plant Database
The Okutataragi Pumped Storage Power Station, located in Japan, is a significant hydroelectric facility with a total capacity of 1,932 megawatts (MW). Commissioned in 1970, this power station is owned and operated by Kansai Electric Power Company, one of Japan's leading electric utility companies. As a pumped storage power station, Okutataragi plays a crucial role in the country's energy sector by providing grid stability, peak load management, and energy storage solutions in a landscape increasingly reliant on renewable energy sources.
Pumped storage hydroelectricity is a method of storing and generating electricity by using two water reservoirs at different elevations. During periods of low electricity demand, excess energy is utilized to pump water from a lower reservoir to an upper one. Conversely, during peak demand times, the stored water is released back down to the lower reservoir, passing through turbines to generate electricity. This efficient energy storage mechanism allows the Okutataragi facility to respond rapidly to fluctuations in electricity demand, making it an essential component of Japan's energy infrastructure.
The environmental impact of the Okutataragi Pumped Storage Power Station is relatively low compared to fossil fuel-based power generation. Hydro power is a renewable energy source that produces no direct emissions during operation, contributing to the reduction of greenhouse gases and helping Japan to meet its climate goals. However, like all large-scale hydro projects, there are environmental considerations associated with the construction of reservoirs, including impacts on local ecosystems, aquatic habitats, and potential displacement of communities. The design and operation of Okutataragi have aimed to mitigate these effects, ensuring that the benefits of hydroelectric power are balanced with ecological conservation efforts.
Regionally, the Okutataragi Pumped Storage Power Station serves as a vital asset in the Kansai region, which is home to a large population and significant industrial activity. It helps to ensure a reliable and stable electricity supply in a region that experiences varied energy demands throughout the day. In the context of Japan's energy transition, where there has been a push towards renewable energy sources post-Fukushima, Okutataragi's ability to store energy provides a necessary complement to intermittent sources like solar and wind power.
Overall, the Okutataragi Pumped Storage Power Station exemplifies the integration of hydroelectric power within Japan's energy portfolio, reinforcing the nation's commitment to sustainable energy practices while supporting economic growth and stability in the Kansai region.
Hydro power generation utilizes the kinetic energy of flowing water to produce electricity. This renewable energy source operates primarily through the use of hydroelectric power plants, which are strategically placed on rivers or in locations where water flow is significant. The fundamental principle behind hydro power generation is relatively straightforward: water stored in a reservoir is released, flowing through turbines that convert the water's kinetic energy into mechanical energy. This mechanical energy is then transformed into electrical energy through generators. The effectiveness of hydro power plants largely depends on the height from which water falls, known as the 'head,' and the volume of water flowing through the turbines, referred to as the 'flow rate.' Together, these factors determine the total energy output of the plant. Globally, there are approximately 7,842 hydro power plants distributed across 128 countries, with a total installed capacity of about 1,288.5 gigawatts (GW). China leads the world in hydro power generation, boasting 989 plants with a capacity of 279.9 GW. Other notable countries include Brazil with 756 plants (119.4 GW), the United States with 1,491 plants (110.2 GW), Canada with 612 plants (102.4 GW), and Madagascar, which, despite having only five plants, has a significant capacity of 91.1 GW. The extensive network of hydroelectric facilities underscores the importance of this energy source in the global power generation landscape. The advantages of hydro power generation are numerous. It is a renewable resource, making it a sustainable choice for electricity production. Hydro power plants typically have low operational costs once established, and they can be adjusted to meet fluctuating electricity demands, providing reliable baseload power. Additionally, hydroelectric plants contribute to reduced greenhouse gas emissions compared to fossil fuel-based power generation, thereby aiding in climate change mitigation efforts. However, hydro power is not without its disadvantages. The construction of large dams can lead to significant ecological and social disruptions, including the displacement of communities and alterations to local ecosystems. The creation of reservoirs can flood vast areas of land, impacting wildlife habitats and biodiversity. Moreover, hydro power generation is highly dependent on climatic conditions; droughts can significantly reduce water availability, thereby compromising electricity output. In recent years, global trends indicate a growing emphasis on renewable energy sources, with hydro power continuing to play a pivotal role. Many countries are investing in modernizing existing hydroelectric plants to enhance efficiency and reduce environmental impacts. Innovations such as small-scale hydro systems, which have a reduced ecological footprint, are gaining traction, especially in regions where large-scale projects may be infeasible. Looking ahead, the future of hydro power generation appears promising yet complex. As climate change continues to influence weather patterns, the availability of water resources for hydroelectric generation may become increasingly unpredictable. This necessitates a balancing act between harnessing hydroelectric potential and protecting the environmental and social integrity of affected regions. Continued advancements in technology and design, alongside a commitment to sustainable practices, will be crucial for the evolution of hydro power in the global energy mix. With its significant capacity and established infrastructure, hydro power remains a cornerstone of the renewable energy landscape, poised to contribute to a sustainable future.
Help us improve our database by reporting any corrections or updates. Your contribution helps keep our global power plant data accurate and up-to-date.