Home Technology Two floating solar power plants recently opened in Japan

Two floating solar power plants recently opened in Japan

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The two big floating solar power plants have just been completed in Japan, ready to
power 1,000 homes without taking any electricity from the grid.
Solar power is booming in Japan; the nation doubled its solar power capacity within two years of the 2011 Fukushima nuclear disaster, and is now a world leader along with China and the US
These two plants are situated on the Nishihira and Higashihira Ponds in Kato
City, which is part of the Hyōgo Prefecture of Japan. Built by energy
company, Kyocera Corporation, and the Century Tokyo Leasing Corporation,
the plants were installed in just seven months, and according to Liat Clark at Wired UK, together their 11,250 modules are expected to generate 3,300 megawatt hours (MWh) every year.
While floating sounds a little more difficult than building a solar array
on the nice, hard ground, there are actually many benefits to
suspending all your solar panels on the surface of a lake.

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In a country like Japan, where land space is scarce, taking up water
space is the perfect solution. The plant is also typhoon-proof, and
because it uses the water below to cool itself, is actually more
energy-efficient than if it was built on the land.
“Reservoirs
are also an ideal location because the panels produce shade, which
reduces water evaporation and promotes algae growth. A report by Korea
Water Resources Corporation found that the lower temperatures of the
floating modules mean they are 11 percent more efficient than land-based
equivalents. The report identified unsolved issues with the plants,
too, however. It said the study had to discard data collected when the
panels moved in the wind, and said research into new mooring systems was
‘continually needed’.”
Hoping that other countries also apply this technique soon.

Source: Wired UK

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