GCL System Integration Technology Co. plans to build the world’s biggest solar-panel manufacturing plant, with capacity to meet half of global demand. The Chinese manufacturer plans to invest 18 billion yuan ($2.54 billion) to construct a facility in eastern Hefei province that will be able to produce 60 gigawatts of solar panels a year, GCL System said in a filing to the Shenzhen stock exchange on March 27. It didn’t provide a timeline.

The plant’s maximum output is double the 30 gigawatts of capacity installed in China in 2019, and would be able to supply to almost 51% of solar installations worldwide. The project will boost GCL System’s ability to produce panels more than nine-fold from 7.2 gigawatts, according to data from BloombergNEF. The world’s biggest solar-panel maker, JinkoSolar Holding Co,. has 16 gigawatts of capacity.