Japan

Okawachi — 1,280 MW Hydroelectric

Hydroelectric Renewable Verified

Okawachi is a 1,280 MW hydro power plant located in Japan. View location, capacity, and technical details.

Capacity
1,280 MW

Installed

Commissioned
2000

Year online

Owner
Kansai

Operator

Location
35.13, 134.71

Coordinates

Insights

#90
largest in %s
#211
largest %s worldwide
#1,693
largest worldwide
2000
%d yrs newer than avg
16
operated by %s
51
plants within 100 km

Technical Details

Fuel Type
Hydroelectric
Capacity
1,280 MW
Commissioned
2000
Status
Operational
Owner
Kansai
Country
Japan
Coordinates
35.131, 134.711

Estimated Carbon Footprint

Annual CO₂
107,643 t

tonnes / year

Lifetime CO₂
8.6M t

over ~%d yrs

Intensity
24 g

gCO₂ per kWh

Annual emissions equal to

23,401
cars / year
14,352
homes / year
4.9M
trees to offset

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

Nearby Stations

About this plant

The Okawachi Power Plant, with a generating capacity of 1280 megawatts (MW), is a significant hydroelectric facility located in Japan. Owned by Kansai Electric Power Company, this power plant plays a vital role in Japan’s energy sector, particularly in the context of the country’s commitment to renewable energy sources and sustainability. Hydro power, the fuel type utilized by Okawachi, is derived from the kinetic energy of flowing water, which is converted into electricity through turbines. This method of energy generation is considered one of the cleanest and most efficient forms of power production, as it produces no direct emissions and has a minimal carbon footprint compared to fossil fuels. The technical operations of the Okawachi Power Plant involve harnessing the flow of water from nearby rivers, which is channeled through a series of turbines that generate electricity. The facility is designed to optimize the flow rate and pressure of water to maximize energy output while maintaining operational efficiency. The use of hydroelectric power is crucial for Japan, especially in the aftermath of the Fukushima Daiichi nuclear disaster in 2011, which led to a significant reevaluation of the country’s energy policies. The Okawachi Power Plant serves as a cornerstone in Japan’s efforts to diversify its energy mix and reduce reliance on nuclear energy and fossil fuels. By providing a stable, renewable source of electricity, it helps to ensure energy security and contributes to the nation’s goals of achieving a low-carbon economy. Environmentally, hydroelectric power plants like Okawachi have several advantages, including the reduction of greenhouse gas emissions and the preservation of air quality. However, it is essential to recognize that the construction and operation of such facilities can have ecological impacts, particularly on aquatic ecosystems and local communities. The Okawachi facility is designed to mitigate these effects through careful management of water resources and adherence to environmental regulations. It is equipped with fish ladders and other technologies aimed at supporting local wildlife and maintaining biodiversity. Regionally, the Okawachi Power Plant holds significant importance. It not only supplies electricity to millions of households and businesses but also supports local economies through job creation and infrastructure development. The plant’s presence contributes to the energy stability of the Kansai region, which is one of Japan’s most populous and industrialized areas. Overall, the Okawachi Power Plant exemplifies the potential of hydroelectric energy in advancing Japan’s renewable energy agenda, while also highlighting the need for balanced approaches to environmental stewardship and energy production.

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