At the 2024 China International Industrial and Commercial Energy Storage Conference, Ma Haiwei, director of the Energy Storage Business Department of the Electric Vehicle and Energy Storage Branch of the China Electricity Council, gave a keynote speech on The Development of the Domestic Electrochemical Energy Storage Industry and said: During the 14th Five - Year Plan period, 29 provinces have made new energy storage plans, with the total planned capacity reaching 90GW, which is actually a goal that can be achieved with a high probability. The installed capacity of new energy storage in the third quarter of this year is 58GW, which is the latest figure released by the National Energy Administration; by the end of this year, it is very likely to exceed 70GW. That is to say, by next year, as long as another 20GW is installed, this goal can be exceeded. Since the beginning of the 14th Five - Year Plan, a total of 25 provinces (municipalities/autonomous regions) across the country have proposed new energy storage installed capacity goals for 2025 in policy documents. Among them, Inner Mongolia has the highest goal, reaching 14.5GW; Qinghai has 6.7GW; the total installed capacity goals for Shandong, Gansu, Shanxi and Henan are all 6GW; Ningxia has 5GW; and Hebei has 4GW.

And Inner Mongolia, Henan, Guangdong, Hubei, and Guangxi have successively raised their new energy storage installation targets for the 14th Five-Year Plan period, with a total increase of up to 26.5 GW. The energy storage installation plan in Inner Mongolia during the 14th Five-Year Plan period has been increased from 5 GW to 14.5 GW, surpassing Qinghai, Gansu, and Shanxi, becoming the first in the national new energy storage installation plan; Henan has also been increased from 2.2 GW to 6 GW, on a par with Qinghai, Gansu, and Shanxi; In addition, Guangdong, Hubei, and Guangxi's installation targets have all been increased from 2 GW to 3 GW.

Among them, some provinces such as Inner Mongolia, Yunnan, Tianjin, Ningxia, and Zhejiang have publicly disclosed new energy storage project installations with long-duration storage demonstration projects of more than 4 hours by 2025, with a total scale of 904.51 MW/4471.77 MWh, involving various types of technologies such as all-vanadium redox flow battery, air energy storage technology, magma energy storage, thermal storage, etc.

At present, six provinces and municipalities including Heilongjiang, Shanghai, Hainan, Chongqing, Tibet, and Xinjiang have not yet proposed specific numerical targets for new energy storage installations by 2025 in their policies. However, these regions' governments are strongly supporting the development of new energy storage.

Since the 14th Five-Year Plan period began, Xinjiang's new energy sector has achieved leapfrog development. According to the Notice on Doing a Good Job in the Layout of Independent New Energy Storage Projects in the Province and Related Work in 2024 jointly issued by the Xinjiang Development and Reform Commission and State Grid Xinjiang Electric Power, a total of 41 projects with a combined capacity of 7.35 GW/30.86 GWh have been disclosed. Among these, there are 23 storage projects with a capacity of 800 MW or more, some even reaching up to 2 GWh. Forty projects have a storage duration of more than 4 hours, with the longest duration being 8 hours. The technology types cover a wide range, including lithium iron phosphate, all-vanadium redox flow, sodium-ion batteries, compressed air, gravity storage, lead-carbon, hydrogen storage, thermal storage, among others. Among them, hybrid technology has the largest scale at 3.002 GW/12.96 GWh; lithium iron phosphate is second at 3.2 GW/12.8 GWh; and all-vanadium redox flow has a scale of 0.7 GW/2.8 GWh.

The People's Government of Heilongjiang Province issued the 60 Policy Measures for Building a Green Heilongjiang in the New Era in May 2024, proposing support for the diversified development of new energy storage. Support is given to system-friendly new energy + storage power stations and centralized new energy development and transmission models for reasonable layout of new energy storage on the power side. Focused development is placed on new energy storage on the grid side. Support is provided for the diversified development of user-side storage, exploring new scenarios for integrated storage development around 5G base stations, charging facilities, industrial parks, and other end users. In May 2024, the Shanghai Municipal Commission of Economy and Information Technology issued the Notice on Promoting Large-Scale Equipment Renewal and Expanding the Application of Innovative Products in the Industrial Sector in Shanghai. The notice proposes promoting green and low-carbon renewal and transformation of energy and energy-using equipment, aiming to achieve a cumulative energy saving of 5 million tons of standard coal by 2027, with an additional 5 million kilowatts of installed solar capacity and 2 million kilowatts of energy storage application scale. Notably, according to incomplete statistics, Chongqing's cumulative installed capacity of new energy storage has already exceeded 1.2 GW.

From the completion of installed capacity targets disclosed by provinces, it is evident that the 14th Five-Year Plan goal for new energy storage nationwide has been achieved ahead of schedule. As the penetration rate of wind and solar power increases, the demand for long-duration energy storage gradually grows. Judging from the policies that have been enacted, local governments are placing great emphasis on the development of long-duration energy storage. The number of projects with a duration of over 4 hours has been steadily increasing, demonstrating a diversified development trend. Different technology routes will develop differently based on their own characteristics and application scenarios. In the future, the application scenarios of long-duration energy storage will continue to expand. In addition to the traditional peak and frequency regulation in the power system, it will also play an important role in renewable energy consumption, grid stability, and user-side demand response.

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