The Necessity and Feasibility of Hydrogen Storage for Large-Scale, Long-Term Energy Storage in the New Power System in China

In the process of building a new power system with energy sources as mainstay, wind and photovoltaic enter multiplication stage randomness uncertainty, foundation support role large-scale long-time storage is highlighted. Considering advantages hydrogen in large-scale, cross-seasonal cross-regional aspects, necessity, feasibility economy participation under are discussed. Firstly, supply demand production simulations were carried out based on characteristics generation China. When penetration reaches 45%, long-term becomes an essential regulation tool. Secondly, by comparing duration, scale application scenarios various technologies, it was determined that most preferable choice to participate storage. Three methods screened from numerous including salt-cavern storage, natural gas blending solid-state Finally, analyzing development status above three types geographical resource endowment China, pointed China will form “solid state ground salt cavern underground” future.