China powers up the world’s largest open-sea offshore solar farm

China’s CHN Energy has connected the first solar units from its 1-gigawatt (GW) offshore solar farm – the world’s first and largest of its kind – to the grid.

The massive project is located off the coast of Dongying City in Shandong Province, eastern China.

Developed by CHN Energy’s Guohua Energy Investment Co., it aims to serve as a benchmark for future large-scale offshore solar farms.

The project sits 8 km (5 miles) off the coast and spans an impressive 1,223 hectares (3,023 acres). It uses 2,934 solar platforms that rest on large-scale offshore steel truss foundations, each platform measuring 60m (197 feet) by 35m (115 feet).

It’s the first time in China that a 66-kilovolt offshore cable paired with an onshore cable has been used for high-capacity, long-distance electricity transmission in the solar sector.

Once completed, this offshore solar farm is expected to generate 1.78 billion kilowatt-hours of electricity annually – enough to power around 2.67 million urban homes. It could also help save about 503,800 tons of standard coal and cut down carbon dioxide emissions by roughly 1.34 million tons annually.

The project also includes fish farming, making better use of the marine space by integrating renewable energy with aquaculture.

Read more: Chinese solar giant Trina sells its Texas factory a week after it opens

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