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Geothermal power in use in Japan

After Fukushima, Japan turns to geothermal power for energy, By Michiyo Ishida, Japan Bureau Chief, Channel NewsAsia 11 Sep 2016 “…….. Japan’s largest geothermal plant – the Hatchobaru Geothermal Power Station – is located in Oita, southern Japan. Its total output is 110,000 kilowatts, and it powers about 37,000 households.

“Normally, you would utilise the steam straight from the source. But if there is energy left in the hot water, steam is drawn from there and it is used to generate energy. By doing that, we can increase power output by 20 per cent,” said the power station’s Vice-Director, Seiki Kawazoe.

The Kyushu Electric Power Company said this is an original technology known as the double flash system, which helps to raise energy efficiency.

The Hatchobaru plant generates the largest geothermal energy output in Japan, and it is able to do so as it is located in Oita, home to about 4,400 hot springs.

Geothermal energy can provide a stable supply of electric power. Kyushu Electric Power Company said it is still not ready to replace nuclear power altogether. The main constraints are the cost and the time to build the full infrastructure…….

September 12, 2016 - Posted by | Japan, renewable

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