A fishery in eastern China now doubles as a solar power station. An immense array of photovoltaic panels has been installed across 300 hectares to generate not only clean electricity, but additional money for the fishery.

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Lines of solar panels stretch over the waters of a fishery in Cixi City, which is in the Zhejiang Province in eastern China. People’s Daily Online reports with a 200 megawatt (MW) capacity, it is the biggest solar power station constructed on a fish farm in the country. The panels will be connected to the state grid and will provide the fishery with an annual income of 240 million RMB, which is around $34 million. Fish should still be able to thrive in the waters underneath the panels; People’s Daily Online says the panels will provide shade, but PV Magazine also noted they were intentionally spaced out to allow sunlight to filter through, which is necessary for the fish to grow.

Related: $11 million floating solar testbed in Singapore will be the largest in the world

The huge station can generate enough power for 100,000 households, and could maybe even replace 7.4 tons of coal, according to People’s Daily Online. The solar panels should generate an impressive 220 million kilowatt-hours of electricity every year. PV Magazine reports there’s a similar 120 MW installation in China in the Jiangxi Province, but clearly the Cixi City project is much larger.

The new solar system certainly wasn’t cheap; it cost 1.8 billion RMB, or $260 million. But Electrek reports the floating solar farm will pay for itself in about seven or eight years.

The fishery turned renewable energy plant could offer a model for other fisheries or coastal areas around the world; PV Magazine reports construction just finished in late 2016, so it’s time to see how the fish farm functions with solar panels atop their pond.

Via Electrek, People’s Daily Online, and PV Magazine

Images via Max Pixel and screenshot