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Shimogo1,000 MW Hydroelectric

HydroRenewable

The Shimogo is a key infrastructure asset in Japan's power generation grid, located on the continent of Asia. Designated as a renewable electricity generation station, the facility features an installed capacity of 1000 MW. Its primary operation relies on harnessing hydro energy resources to generate bulk electricity. Operational management and ownership of the facility are handled by the EPDC, which oversees daily maintenance and grid dispatch integration. The facility was officially connected to the commercial grid in 2001, since which it has maintained regular output, playing a structured role in domestic power supply security. In terms of domestic production capacity within Japan, Shimogo occupies the #17 position among all operational hydro power plants. Its 1000 MW capacity represents a 2.49% share of Japan's total installed hydro generating capacity, which currently stands at 40,131 MW. The largest operational hydro installation in Japan is the Okutataragi with an output of 1,932 MW, making the Shimogo approximately 1.9 times smaller by comparison. Across all fuel types and electricity generation technologies country-wide, this facility accounts for 0.2788% of Japan's aggregate generation capacity of 358,713 MW. Based on historical capacity factors characteristic of hydro power plants (modeled at 40% for analysis), the facility's expected annual electricity generation is calculated at approximately 3,504,000 MWh. Applying domestic consumption statistics where an average household in Japan consumes 3 MWh of electricity annually, this level of production is sufficient to meet the energy demands of roughly 1,168,000 homes. As a clean and sustainable energy project, Shimogo contributes to the direct displacement of greenhouse gases, preventing substantial quantities of carbon dioxide from entering the atmosphere and helping Japan advance toward its renewable energy integration targets. The physical site of the station is located at geographic coordinates 37.3448° latitude and 139.9087° longitude. Analysis of local grid infrastructure shows a density of other assets within a 50-kilometer radius. These nearby facilities include the Shiobara (hydroelectric, 900 MW), the Numappara (hydroelectric, 675 MW), the Daini Numazawa (hydroelectric, 460 MW), representing a cluster of localized power assets. This geographic placement is vital for reinforcing regional distribution infrastructure and minimizing transmission line losses across this sector of Japan.

Capacity
1,000 MW

1.00 GW

Commissioning Year
2001

25 years old

Owner
EPDC
Location
37.3448°, 139.9087°

Japan, Asia

Location

Coordinates:: 37.344800, 139.908700
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Carbon Footprint

Zero Direct Emissions

Shimogo is a hydro power plant producing approximately 3504 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

Shimogo Hydroelectric Power Plant: A Key Player in Japan's Renewable Energy Landscape

The Shimogo Hydroelectric Power Plant, located in Japan, represents a significant advancement in the country's energy sector. With a generation capacity of 1000 megawatts (MW), it plays a crucial role in providing clean, renewable energy to meet Japan's growing electricity demands. Owned by the Electric Power Development Company (EPDC), the Shimogo plant exemplifies Japan's commitment to harnessing hydroelectric power as part of its broader strategy to transition towards sustainable energy sources.

Hydroelectric power is generated by utilizing the kinetic energy of flowing water to turn turbines, which then convert this mechanical energy into electricity. The Shimogo plant utilizes the natural flow of nearby rivers and streams, taking advantage of Japan's mountainous terrain and abundant water resources. This fuel type is considered one of the most efficient and environmentally friendly methods of electricity generation available today. Hydropower not only produces electricity without emitting greenhouse gases during operation, but it also contributes to energy stability and reliability, which are essential for a nation heavily reliant on industrial output and technological innovation.

The environmental impact of the Shimogo Hydroelectric Power Plant is generally positive compared to fossil fuel-based energy sources. By generating electricity from flowing water, the plant helps reduce carbon emissions and minimizes air pollution, aligning with Japan's environmental goals and international commitments to combat climate change. However, like all hydroelectric facilities, it is crucial to monitor and mitigate any potential ecological disruptions that may arise from damming rivers or altering natural water flows. The management of water resources and aquatic ecosystems is paramount to maintain biodiversity and support local wildlife.

Regionally, the Shimogo plant serves as an essential asset for both local communities and the national grid. It enhances energy security in Japan, particularly in the aftermath of the Fukushima nuclear disaster, which prompted a nationwide reevaluation of energy sources. As the country seeks to diversify its energy mix, the Shimogo plant is positioned to contribute significantly to the reduction of reliance on fossil fuels and enhance the resilience of the energy supply.

In summary, the Shimogo Hydroelectric Power Plant stands as a vital contributor to Japan's energy landscape. With its impressive capacity of 1000 MW, it harnesses the natural power of water to generate clean electricity, supporting the country's efforts in sustainability and environmental stewardship. Its operational efficiency and relatively low environmental impact reinforce its importance in the transition towards a greener energy future for Japan.

JapanEnergy Profile

664
Total Plants
358.7 GW
Total Capacity
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Hydro Power Generation: An Overview of Its Mechanism, Impact, and Future

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.

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