Recently, the 200MWp photovoltaic power generation project of Shouguang Yingli, the largest solar storage project in Shandong Province, was successfully connected to the grid for power generation, and the supporting 10MW/20MWh energy storage system was successfully connected to the grid at the same time. The project is invested by Jilin Electric Power Co., Ltd., Shandong Zhonghong New Energy Technology Co., Ltd. undertakes to build the energy storage system, and Beijing Herui Energy Storage Technology Co., Ltd., a wholly-owned subsidiary of the Central Research Institute of State Power Investment Corporation, provides the overall solution and complete set of energy storage system Energy storage equipment.

This project is located in Yingli Town, Shouguang City, Weifang City, Shandong Province. It is the first batch of photovoltaic parity grid-connected projects in Shandong Province, integrating salt industry brine storage, photovoltaic power generation, and energy storage systems. The grid connection of the project once again set the record for the single scale of an optical storage project in Shandong Province. The energy storage system of the project uses lithium iron phosphate batteries with a designed rated capacity of 10MW/20MWh, connected to a 35kV bus, and integrated into the Shandong Provincial Power Grid for unified dispatch. The system has functions such as primary frequency modulation, AGC tracking, AVC control, and power smoothing. The project adopts a number of advanced energy storage system integration technologies such as multi-level active thermal management, automatic pipe network fire protection system, battery-level BMS management, and integrated step-up and converter, making the technical indicators of the project superior to general energy storage Power station.

As the country proposes that carbon dioxide emissions reach the peak by 2030 and strive to achieve the goal of "carbon neutrality" by 2060, the development of clean energy represented by wind power and photovoltaics will be greatly accelerated. As an important supporting equipment for clean energy power generation, energy storage has also ushered in an unprecedented huge demand.Editor/Xing Wentao