The Huaneng Jintan Comprehensive Energy Utilization Project was officially launched on May 31 with a signing ceremony in Jintan district. This innovative project, situated in Xuebu town, aims to integrate advanced energy storage and generation technologies, including a salt cavern compressed air energy storage (CAES) power station, an electrochemical energy storage station, and a tea plantation-solar photovoltaic (PV) complementary system. The total investment for the project is 10 billion yuan.

Xuebu is abundant in natural resources, with extensive underground salt caverns ideal for CAES. The area also includes nearly 2,600 hectares of tea fields, which will support the tea plantation-PV complementary project—a dual-purpose initiative that combines power generation with agricultural cultivation to enhance land use efficiency.

Jintan has already seen success with a 60 MW salt cavern CAES pilot project. The new project will include a 950 MW CAES power station with a supporting heating system,

a 100 MW/200 MWh electrochemical energy storage station, a 200 MW tea plantation-PV complementary system, distributed rooftop PV installations, and charging stations.

The project will be executed in two phases. Once fully operational, it is expected to generate 1.3 billion kWh of electricity annually, consume 1.6 billion kWh, and achieve annual sales of 1 billion yuan.

China Huaneng Group, one of China's top five power generation companies and a key state-owned enterprise approved by the State Council, is behind this substantial investment. The corporation boasts annual revenues exceeding 400 billion yuan.

This project aims to achieve 100% localization of core equipment and will be anchored by an innovation research center for CAES. It seeks to foster the industrialization of upstream and downstream equipment manufacturing, diversify energy storage technologies, and improve the overall energy structure. By leveraging this project, Jintan aims to become a demonstration zone of Changzhou's development as a new energy hub.

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