全国首个“电化学+氢储能”示范项目并网：草原小城蹚出能源革命新路径

Core Viewpoint - The successful integration of a 90MW/360MWh electrochemical energy storage system in Ulanqab, Inner Mongolia, marks China's first independent energy storage demonstration project combining "electrochemical + hydrogen storage," providing a model for national energy transition [1] Group 1: Resource Endowment and Strategic Development - Ulanqab County is rich in wind and solar resources, with over 3000 hours of annual sunlight and an average wind speed of 5.8 m/s, making it a key area in the national wind-solar base plan [2] - The county has identified energy storage as a critical solution to the challenges of renewable energy consumption, positioning it as a key project for high-quality development in the renewable energy sector [2] - The "integrated wind-solar-hydrogen" development strategy aims to attract leading companies like Yunda Energy to establish projects, enhancing local energy stability and creating a multi-energy supply ecosystem [2] Group 2: Innovative Energy Solutions - Yunda Energy has developed a new centralized energy storage station with a total capacity of 100MW/400MWh, which includes a 90MW/360MWh electrochemical storage system for rapid frequency regulation and a 10MW/40MWh hydrogen storage system for long-term energy supply [3] - The project features a complementary system that allows for short-term peak regulation and long-term energy storage, creating a multi-dimensional energy supply framework [3] - The annual discharge capacity is expected to reach 100 million kWh, equivalent to saving 30,000 tons of standard coal and reducing carbon dioxide emissions by 78,000 tons [3] Group 3: Overcoming Environmental Challenges - The project faced extreme weather conditions, including winter temperatures as low as -30°C and frequent dust storms, which posed significant construction challenges [4] - A project service team led by local government officials implemented a scheduling and oversight mechanism to address land approval, grid connection, and material transportation issues [4] - Yunda Energy adopted a modular construction approach to ensure timely completion of the electrochemical storage system despite harsh conditions [4] Group 4: Future Development and Impact - The energy storage project is expected to enhance local renewable energy consumption capacity by 30%, adding 280 million kWh of green electricity annually [4] - The project represents a new beginning for Ulanqab County's energy revolution, with plans to establish an integrated wind-solar-hydrogen industrial park to promote high-quality development in the renewable energy sector [5] - The initiative aims to create a green energy industry cluster that supports decarbonization in local chemical and transportation industries, contributing to a broader energy transition [5]