China-based Suntech Power Holdings – the world’s biggest manufacturer of crystalline silicon photovoltaic (PV) modules that convert light energy into electricity – has signed agreements to develop 4 solar-power plants in China.

Suntech Power Holdings Company Limited says it has signed pacts with the governments of Shaanxi province and Qinghai province as well as the city governments of Shizuishan and Panzhihua to produce 1.8 gigawatts of solar power.