The Sancheong pumped-storage power station is a key infrastructure asset in South Korea's power generation grid, located on the continent of Asia. Designated as a renewable electricity generation station, the facility features an installed capacity of 700 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 Korea Hydro & Nuclear Power, which oversees daily maintenance and grid dispatch integration. The facility was officially connected to the commercial grid in 1995, since which it has maintained regular output, playing a structured role in domestic power supply security. In terms of domestic production capacity within South Korea, Sancheong pumped-storage power station occupies the #8 position among all operational hydro power plants. Its 700 MW capacity represents a 4.41% share of South Korea's total installed hydro generating capacity, which currently stands at 15,891 MW. The largest operational hydro installation in South Korea is the Incheon Tidal Power Station with an output of 1,450 MW, making the Sancheong pumped-storage power station approximately 2.1 times smaller by comparison. Across all fuel types and electricity generation technologies country-wide, this facility accounts for 0.2738% of South Korea's aggregate generation capacity of 255,681 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 2,452,800 MWh. Applying domestic consumption statistics where an average household in South Korea consumes 3 MWh of electricity annually, this level of production is sufficient to meet the energy demands of roughly 817,600 homes. As a clean and sustainable energy project, Sancheong pumped-storage power station contributes to the direct displacement of greenhouse gases, preventing substantial quantities of carbon dioxide from entering the atmosphere and helping South Korea advance toward its renewable energy integration targets. The physical site of the station is located at geographic coordinates 35.2553° latitude and 127.7725° longitude. Analysis of local grid infrastructure shows a density of other assets within a 50-kilometer radius. These nearby facilities include the Hadong (coal-fired, 4000 MW), the Hadong Power Plant (coal-fired, 4000 MW), the Hadong Thermal Power Station (coal-fired, 4000 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 South Korea.
31 years old
South Korea, Asia
Location
Zero Direct Emissions
Sancheong pumped-storage power station is a hydro power plant producing approximately 2453 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
South Korea- Continent
- Asia
- Data Source
- Global Power Plant Database
Overview of Sancheong Pumped-Storage Power Station in South Korea
The Sancheong pumped-storage power station, located in South Korea, is a significant hydroelectric facility with a total capacity of 700 megawatts (MW). Commissioned in 1995 and owned by Korea Hydro & Nuclear Power, this power station plays a crucial role in the country's energy sector, particularly in balancing supply and demand for electricity. Pumped-storage hydroelectric systems are designed to store energy by utilizing two water reservoirs at different elevations. During periods of low electricity demand, excess energy from the grid is used to pump water from the lower reservoir to the upper reservoir. When demand increases, the stored water is released back down to generate electricity, providing a rapid response to fluctuations in power requirements. This capability makes Sancheong an essential asset for maintaining grid stability in South Korea, where energy consumption patterns can vary significantly throughout the day and across seasons.
The Sancheong facility operates on the principle of hydroelectric power, which generates electricity through the kinetic energy of flowing water. This method is considered one of the most environmentally friendly forms of energy generation, as it produces no direct greenhouse gas emissions during operation. Additionally, the use of water as a fuel source minimizes the reliance on fossil fuels, contributing to a reduction in air and water pollution. However, the environmental impact of pumped-storage hydroelectric plants is not without concerns. The construction of reservoirs can lead to habitat disruption and changes in local ecosystems, and the management of water resources must be carefully balanced to avoid adverse effects on aquatic life and surrounding environments.
Regionally, the Sancheong pumped-storage power station supports the development of South Korea’s renewable energy initiatives. As the country aims to transition towards a more sustainable energy future, facilities like Sancheong are crucial in providing the necessary backup power to accommodate the intermittent nature of renewable sources such as wind and solar. By effectively storing energy generated during peak production times and dispatching it when needed, the Sancheong station enhances the overall efficiency and reliability of the national energy grid.
In conclusion, the Sancheong pumped-storage power station exemplifies the integration of advanced hydroelectric technology into South Korea's energy landscape. With its substantial capacity and critical role in energy management, it contributes to both the country's environmental goals and economic stability by ensuring a reliable electricity supply in a dynamic power market.
Nearby Power Plants
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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