NANJING, Feb. 14 -- At an energy storage station in eastern Chinese city of Nanjing, a total of 88 white battery cartridges with a storage capacity of nearly 200,000 kilowatt-hours are transmitting electricity to the city's grid. Contact online >>
NANJING, Feb. 14 -- At an energy storage station in eastern Chinese city of Nanjing, a total of 88 white battery cartridges with a storage capacity of nearly 200,000 kilowatt-hours are transmitting electricity to the city''s grid.
"It is equivalent to a medium-sized power plant, and the electricity it generates in one hour can meet the power consumption of 26,000 households in one day," said Shi Shengdong, a local manager of the grid.
The grid-scale storage station in Nanjing is an epitome of China''s prospering energy storage industry as the country has put the emerging industry on a pedestal.
The energy storage facilities serve to iron out electric use volatility in peaks and troughs and, more importantly, facilitate the utilization of the country''s growing clean energy amid its efforts to pursue low-carbon development.
The energy storage power plants help improve the utilization rate of wind power, solar and other renewable sources, thus promoting the proportion of new energy consumption.
Meanwhile, batteries that store energy are being preserved to ensure that the electricity produced from those intermittent sources is available and ready to use when needed.
The country''s installed new-type energy storage capacity had reached 31.39 gigawatts by the end of 2023, of which 22.6 gigawatts were newly installed in that year alone, which was nearly 10 times that at the end of 2020, according to the National Energy Administration (NEA).
The rapid growth is guaranteed by China''s strong battery manufacturing capability. Last year, a new energy power and energy storage battery manufacturing base with an annual production capacity of 30 GWh, constructed by China''s battery giant Contemporary Amperex Technology Co., Ltd. (CATL), went into operations in Guizhou Province.
Recently, China saw a diversifying new energy storage know-how. Lithium-ion batteries accounted for 97.4 percent of China''s new-type energy storage capacity at the end of 2023.
Aside from the lithium-ion battery, which is a dominant type, technical routes such as compressed air, liquid flow battery and flywheel storage are being developed rapidly.
Since 2023, a number of 300-megawatts-grade compressed air energy storage projects along with 100-megawatts-grade liquid flow battery projects begun construction. New technologies including gravity storage, liquid air storage, and carbon dioxide storage have been developed as well, according to the NEA.
Also, some provincial-level regions launched a new business model to rev up the energy storage industry, allowing the energy storage investors to collect capacity rental fees from users using the grid.
Last year, Guangxi completed its first trading transaction during peak electricity consumption in a grid that covers south and southwest China''s Guangdong, Guangxi, Yunnan, Guizhou and Hainan.
China has been an undisputed leader in the battery energy storage system deployment by a far margin. The nation more than quadrupled its battery fleet last year, which helped it surpass its 2025 target of 30 GW of operational capacity two years early. ESS News sat down with Ming-Xing Duan, secretary of the Electrical Energy Storage Alliance (EESA), to discuss the latest market trends.
Ming-Xing Duan, secretary of the Electrical Energy Storage Alliance (EESA), and Marija Maisch at the third edition of the EESA Expo held in Shanghai in September 2024
China has been leading the world in terms of both manufacturing and deployment of battery energy storage systems. What are the key developments that we are seeing in the market today?
Last year, China installed around 20 GW of battery energy storage systems, which is as much as it has deployed to 2023 cumulatively. This year, the market is continuing its rapid growth with front-of-the-meter assets accounting for more than 90%, and standalone systems amounting to 60% of the figure.
While utility-scale projects account for the lion''s share of the newly added capacity, the deployment in the commercial and industrial (C&I) and residential sectors is advancing rapidly with a strong focus on combining design and functionality.
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WASHINGTON, June 11, 2019—The World Bank''s Board of Executive Directors have approved a US$300 million loan for the China Renewable Energy and Battery Storage Promotion Project to increase the integration and utilization of renewable energy by deploying battery storage systems at scale.
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