Japan

Tamahara — 1,200 MW Hydroelectric

Hydroelectric Renewable Verified

Tamahara is a 1,200 MW hydro power plant located in Japan. View location, capacity, and technical details.

Capacity
1,200 MW

Installed

Commissioned
1999

Year online

Owner
Tokyo

Operator

Location
36.80, 139.04

Coordinates

Insights

#99
largest in Japan
#241
largest Hydroelectric worldwide
#1,870
largest worldwide
1999
15 yrs newer than avg
24
operated by Tokyo
43
plants within 100 km

Technical Details

Fuel Type
Hydroelectric
Capacity
1,200 MW
Commissioned
1999
Status
Operational
Owner
Tokyo
Country
Japan
Coordinates
36.801, 139.041

Estimated Carbon Footprint

Annual CO₂
100,915 t

tonnes / year

Lifetime CO₂
8,073,216 t

over ~80 yrs

Intensity
24 g

gCO₂ per kWh

Annual emissions equal to

21,938
cars / year
13,455
homes / year
4,587,055
trees to offset

Renewable source — life-cycle emissions only (materials/construction), no direct combustion. Open calculator

Nearby Stations

About this plant

The Tamahara Hydroelectric Power Plant, with a capacity of 1200 megawatts (MW), stands as a significant contributor to Japan’s energy sector. Owned and operated by Tokyo Electric Power Company (TEPCO), this facility harnesses the power of flowing water to generate electricity, playing a vital role in the country’s transition towards renewable energy sources. As Japan seeks to reduce its reliance on fossil fuels and enhance energy security, the Tamahara plant exemplifies the potential of hydroelectric power within the national energy mix.

Hydropower is a renewable energy source that generates electricity by utilizing the kinetic energy of flowing water, typically from rivers or reservoirs. In the case of the Tamahara plant, the infrastructure is designed to capture and convert the energy from water currents into electrical energy efficiently. The facility utilizes advanced turbine technology, which optimizes energy conversion, thereby maximizing output while minimizing water usage. This is particularly crucial in Japan, where water resources must be managed carefully due to geographical and climatic variations.

From an environmental perspective, the Tamahara Hydroelectric Power Plant is considered a cleaner alternative to fossil fuel-based power generation. The facility produces minimal greenhouse gas emissions during operation, aligning with Japan’s commitment to reducing its carbon footprint. However, like all hydroelectric projects, it is important to recognize that hydroelectric plants can have localized environmental impacts, such as alterations to aquatic ecosystems and sediment transport. TEPCO has implemented various mitigation strategies to minimize these effects and maintain ecological balance in the surrounding areas.

Regionally, the Tamahara plant plays a crucial role in stabilizing the electrical grid, particularly during peak demand periods. By providing a reliable and consistent source of renewable energy, it supports both residential and industrial users in the region. Additionally, the plant contributes to local economies by creating jobs during construction and ongoing operations, while also promoting tourism through associated recreational activities such as fishing and hiking in the nearby areas.

In conclusion, the Tamahara Hydroelectric Power Plant is an essential component of Japan’s energy landscape, showcasing the advantages of hydroelectric power in contributing to sustainability and energy security. As Japan continues to navigate its energy future, facilities like Tamahara will remain pivotal in balancing the country’s energy needs with environmental stewardship.

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