中国工程院院士黄震：储能是能源绿色转型和新能源发展不可或缺要素

Core Insights - The development of renewable energy in China has entered a new phase, with a focus on integrating energy storage solutions to support a new power system dominated by renewable sources [2][5] - The rapid growth of wind and solar energy has led to significant reductions in renewable energy generation costs, with solar power prices dropping from 4 yuan per kWh in 2008 to approximately 0.4 yuan per kWh currently [2] - The increasing share of renewable energy in the power mix has created challenges in energy consumption and stability, necessitating advancements in energy storage technologies [3][4] Energy Storage Technologies - Energy storage is categorized into three main types: source-side storage, grid-side storage, and load-side storage, each playing a crucial role in enhancing renewable energy consumption [5] - Long-duration energy storage technologies, such as pumped hydro storage, flow batteries, and fuel storage, are highlighted as essential for addressing the challenges posed by the variability of renewable energy sources [5][6] - Pumped hydro storage capacity in China has reached 60 million kW, with projections to double by 2030, although its widespread implementation is limited by geographical constraints [5] Green Fuel Initiatives - The development of green fuel technologies, including green hydrogen production from renewable energy sources, is gaining traction, with pilot projects focusing on green ethanol, green methanol, and green ammonia [7] - These initiatives aim to utilize excess renewable energy for fuel production, thereby reducing reliance on imported fossil fuels and enhancing energy security [6][7] Market Dynamics - The transition to renewable energy is marked by a shift in market dynamics, where new wind and solar projects must not only generate green electricity but also achieve favorable pricing [7] - The integration of energy storage solutions is deemed indispensable for the successful transition to a green energy system and the realization of carbon neutrality goals [5][7]