china has the 40th highest per capita co2 emission in the world. behind germany, the US, canada, Japan, netherlands france, the oil rich arab nations etc. they have a high emission but that's because they have a shitton of people. europe has more emissions per capita than china has. and that is despite europe and NA outsourcing most of their industries to china. India btw. is only 104th in co2 emissions per capita.
China is the world's largest market for both photovoltaics and solar thermal energy. Since 2013 China has been the world's leading installer of solar photovoltaics (PV). In 2015, China became the world's largest producer of photovoltaic power, narrowly surpassing Germany. In 2017 China was the first country to pass 100 GW of cumulative installed PV capacity, and by the end of 2018, it had 174 GW of cumulative installed solar capacity. As of May 2018, China holds the record for largest operational solar project in its 1,547-MW project at Tengger. The contribution to the total electric energy production remains modest as the average capacity factor of solar power plants is relatively low at 17% on average. Of the 6,412 TWh electricity produced in China in 2017, 118.2 TWh was generated by solar power, equivalent to 1.84% of total electricity production. The goal for 2050 is to reach 1,300 GW of solar capacity. If this goal is to be reached it would be the source with the largest installed capacity in China.