Three new energy storage power stations in Nanjing incorporated into the state grid for the first time
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The State Grid Corporation of China recently completed the grid connection of GCL-Xin, Banqiao, and Datang energy storage power stations in Nanjing, located in East China's Jiangsu Province. These three new energy storage power stations on the side of the power grid can increase the short-term emergency peak capacity by 200,000 kilowatts for the Nanjing power grid, meeting the daily electricity demand of 50,000 households. This will also improve the new energy consumption capacity, save 64,000 tons of standard coal consumption, and reduce carbon dioxide emissions by 200,000 tons per year, learned the Global Times.
"The energy storage station will charge during the low load period, discharge to the grid during the peak period, and participate in grid interaction through grid frequency modulation and providing emergency backup power supply. This will not only promote peak load shifting and valley filling of the power grid, relieving power tension in local areas during peak periods of winter and summer electricity consumption, but also ensure the safe, stable, and green operation of the power system," said Deng Xing, the development department director of State Grid Nanjing Power Supply Company.
Banqiao Energy Storage Power Station is crucial for ensuring peak summer power supply for the Nanjing West Ring Network in 2024. It can store 200,000 kilowatt-hours of electricity in a single charge, meeting the daily electricity demand of 25,000 households in the West Ring network during peak periods.
GCL Energy Storage Power Station, Banqiao Energy Storage Power Station, and Datang Energy Storage Power Station are the first power grid side energy storage power stations in Jiangning district, Yuhuatai district, and Lishui district of Nanjing, respectively. They utilize a lithium iron phosphate battery system, with one 110-kilovolt booster station and two 220-kilovolt booster stations built.
The State Grid Nanjing Power Supply Company has provided "one to one" guidance and "housekeeper" service for enterprises, conducting numerous field surveys to understand the construction progress. Additionally, they have collaborated with the Power Dispatch and Control Center of the State Grid Jiangsu Electric Power Co., Ltd. to study and optimize energy storage charging and discharging strategies to maximize the role of energy storage in peak load shifting and valley filling.
In the future, the State Grid Nanjing Power Supply Company plans to continue optimizing the service process of energy storage projects, improving efficiency in all aspects, creating more new demonstration projects for energy storage, and aiding in the promotion of green and low-carbon transformation and the construction of a new power system, the company said.