Daini Numazawa is an important hydroelectric power generation facility located in Japan, specifically at the coordinates 37.4530, 139.6019. With a robust generation capacity of 460 MW, this plant exemplifies Japan's commitment to utilizing renewable energy sources in its energy mix. Operated by Tohoku, Daini Numazawa harnesses the power of flowing water through advanced dam technology to generate electricity. This method not only capitalizes on Japan's natural water resources but also contributes to the country's goals of reducing carbon emissions and enhancing energy security. The significance of Daini Numazawa extends beyond its impressive capacity; it serves as a critical component of the local energy infrastructure, providing a stable supply of electricity to both residential and industrial consumers in the region. Situated in an area with abundant hydrological resources, the plant is strategically positioned to take advantage of seasonal water flows, ensuring consistent energy generation year-round. As Japan continues to navigate its energy landscape post-Fukushima, hydroelectric facilities like Daini Numazawa are vital in promoting a shift towards renewable energy. This aligns with national energy policies aimed at increasing the share of renewables in the energy mix, thereby reducing dependence on fossil fuels. Overall, Daini Numazawa stands as a testament to Japan's ongoing efforts to embrace sustainable energy practices while meeting the demands of its electricity consumers.
23 years old
Japan, Asia
- 180. largest of 662 plants in Japan
- #4,880 worldwide by installed capacity
- #786 of 8,493 Hydroelectric plants worldwide
- 0.13% of the installed capacity of Japan
23 years in operation
Hydroelectric fleet average: 42.1 years
Tohoku operates 5 plants totalling 9,144 MW
50 plants within 100 km, 26,836 MW combined
Location
Zero Direct Emissions
Daini Numazawa is a hydro power plant producing approximately 1612 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
Daini Numazawa Hydroelectric Power Plant: A Key Player in Japan's Renewable Energy Landscape
The Daini Numazawa Hydroelectric Power Plant, with a capacity of 460 megawatts (MW), is a significant asset in Japan's energy sector, owned by Tohoku Electric Power Company. Situated in a region characterized by its abundant water resources, the plant plays a pivotal role in harnessing hydroelectric power, a renewable energy source that contributes to Japan's ongoing transition towards sustainable energy production. Hydropower, generated by the movement of water, is one of the oldest and most reliable forms of renewable energy, utilizing the kinetic energy from flowing water to drive turbines that produce electricity. The Daini Numazawa plant exemplifies this process, drawing water from the surrounding rivers to generate substantial amounts of electricity while minimizing greenhouse gas emissions compared to fossil fuel-based power generation.
As part of Japan's energy infrastructure, Daini Numazawa supports the country's goals of reducing reliance on nuclear power and fossil fuels, especially in the wake of the 2011 Fukushima disaster, which prompted a reevaluation of energy sources across the nation. Hydropower serves as an essential component of Japan's energy mix, providing a stable and consistent source of electricity, particularly during peak demand periods. The plant not only helps to stabilize the grid but also aids in achieving energy security and independence for the region.
The technical aspects of hydroelectric power, particularly in the context of Daini Numazawa, involve the use of water flow management systems, turbines, and generators that work in tandem to convert potential energy stored in elevated water reservoirs into electrical energy. The efficiency of hydroelectric plants like Daini Numazawa is significantly higher compared to conventional thermal power plants, making them a more sustainable choice in terms of energy production. Additionally, the ability to adjust output quickly in response to demand fluctuations makes hydroelectric plants vital in maintaining the balance of the electrical grid.
In terms of environmental impact, hydroelectric power is generally considered cleaner than fossil fuels, as it produces no direct emissions during operation. However, the construction and operation of large dams can have ecological consequences, such as altering local ecosystems, affecting fish migration patterns, and changing water quality. Careful management and mitigation strategies are essential to minimize these impacts and ensure that the benefits of hydropower are maximized while protecting local biodiversity.
Regionally, the Daini Numazawa Hydroelectric Power Plant contributes to local economic stability by providing jobs and supporting infrastructure development. Its operation also fosters community engagement and awareness regarding renewable energy initiatives and environmental conservation. As Japan continues to invest in renewable energy technologies, the Daini Numazawa plant stands as a testament to the potential of hydroelectric power in contributing to a sustainable and resilient energy future.
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