Shandong High-speed Weihai Shared ESS Power Station Successfully Energized

Published: Feb 11, 2026 09:43

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Recently, the "Shandong High-speed Weihai 200MW/400MWh Shared ESS Power Station Project", invested and constructed by the Energy Investment Group, was successfully energized at one go, marking the official grid connection operation of the power station. The project has a total investment of approximately 400 million yuan, covers an area of about 50 mu, and has a total installed capacity of 200MW/400MWh. It adopts a hybrid ESS technology of "LFP battery + sodium-ion battery", consisting of 39 sets of 5MW/10MWh LFP batteries and 2 sets of 2.6MW/5.2MWh sodium-ion batteries. Connected to the Shandong power grid at a voltage level of 220kV, it fully leverages the advantages of both technologies, effectively enhancing the power grid's peak shaving and valley filling capabilities as well as the comprehensive utilization rate of new energy.

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