SK Group, a holding company, completed the acquisition of a 10% stake in Plug Power, a provider of hydrogen fuel cell and fueling solutions, for $1.5bn. “This partnership between Plug Power and SK will bring significant and solid opportunities in the hydrogen industry, creating value to society. SK Group is focusing and actively investing into the ESG sector and Plug Power would be one of our splendid footprints within this strategy,” Hyeongwook Choo, SK Group Head of Hydrogen Business Development Center.