2.2.1 The Role of Hydrogen in Energy Storage … In China, HESS pilot projects are expected to soar for over 200 megawatts in the pipeline in the following three years. For example, in December 2021, megawatt-scale proton exchange membrane (PEM) electrolysis hydrogen production, hydrogen energy storage and fuel-cell power generation systems were put into operation in Lu’an, Anhui province, by a subsidiary of State Grid Corporation of China in collaboration with the Dalian Institute of Chemical Physics. … As the demand for flexibility in the electricity grid increases, with ongoing upgrades of power plants, HESS is likely to see scalable applications in China in this decade. … Minggao Ouyang August 2023 https://web-assets.bcg.com/d4/2a/657fc0544c4e85a6c7533aed18fa/bcgxouyang-minggao-china-hydrogen-industry-outlook-en.pdf