The State Grid Corporation of China is to build another 300,000 intelligent charging stations as part of its smart charging network for new energy vehicles which is already the most extensive in the world, according to a report by CNR News today.

The State Grid’s smart charging network, which helps link charging station companies with electric car users, is connected to around one million charging piles and serves 5.5 million owners of the zero-emission autos, the report said, citing the State Grid.