China

Chinese scientists have developed a new way to split seawater into hydrogen without using a separate desalination process. They incorporated a self-breathable waterproof membrane and a self-dampening electrolyte (SDE) into the electrolyzer, so water migrates from the seawater across the membrane to the SDE, without extra energy consumption.

China’s Three Gorges New Energy has started building the first 1 GW phase of solar-plus-storage capacity for a planned 16 GW mega-project in Inner Mongolia’s Kubuqi Desert. Upon completion, the massive installation will include 8 GW of solar, 4 GW of wind, and 4 GW of upgraded coal capacity.

China Huadian has connected a 120 MW solar plant to the grid in the Tibetan city of Nagqu, which has an average altitude of 4,500 meters. The installation is reportedly the largest PV project in Tibet.

Longi and TCL Zhonghuan have announced wafer price cuts, Arctech Solar said it will supply 2.8 GW of single-axis trackers for solar projects in India, and Risen Energy has started mass production of its heterojunction (HJT) solar modules.

The move to n-type technology in mainstream PV production was a major development in PV cell and module manufacturing in 2022. Manufacturers added TOPCon and HJT capacity and racked up efficiency milestones in the process.

Trina Solar has signed an 875 MW tracker supply deal with Samsung C&T for Qatar’s new “IC Solar” project, while Chint said it aims to sell up to 8 GW of residential PV assets by the end of 2023.

Longi said it has achieved a 26.56% efficiency rating for a gallium-doped, p-type heterojunction (HJT) solar cell and a 26.09% efficiency rating for an indium-free HJT cell, both based on M6 wafers. Germany’s Institute for Solar Energy Research in Hamelin (ISFH) has confirmed the results.

Robestec has connected a 220 MW/440 MW battery storage system to the grid in Ningxia, China. It is reportedly China’s largest standalone energy storage station, and uses lithium iron phosphate (LFP) batteries from Hithium Energy Storage.

China’s National Energy Administration (NEA) said the country installed just under 7.5 GW of new PV in November, bringing cumulative additions in 2022 to 65.7 GW, far short of the estimated 85 GW or more.

Chinese module manufacturer DAS Solar has launched an all-black bifacial glass-glass module series with an output of 410 W to 430 W. The new series features efficiencies of up to 22% and a temperature coefficient of -0.3% per degree Celsius. The company is offering a 15-year product warranty and a 30-year power warranty for 87.4% of the initial yield.