Tongwei will invest $2.86 billion in a new 30 GW solar cell manufacturing hub in China, as part of plans to significantly increase high-purity polysilicon production and high-efficiency solar cell production over the next 5 years. The new facility will be located in Chengdu, China over four phases which will be completed between March 2020 and 2023, when the company hopes to have a total cell production capacity of 100 GW, up from 20 GW today. Some controversy has been sparked at Engie after CEO Isabelle Kocher was dropped from her position by the company’s board of directions. Kocher, the only female CEO of a blue-chip, publicly traded company, will leave her role in May, after 4 years at the…