中关村储能产业技术联盟·2025-12-17 11:47Core Insights - The article highlights the successful grid connection and trial operation of the 300MW/1200MWh shared energy storage station in Longgang, Xingtai, Hebei, marking a significant milestone in China's energy storage sector [2] Investment and Economic Impact - The total investment for the Xingtai Longgang shared energy storage station is 1.596 billion yuan, located in the Xindu Economic Development Zone of Xingtai, Hebei [2] - Upon operation, the project is expected to generate an annual output value of 238 million yuan and contribute 30 million yuan in annual taxes [2] Technological Innovation - This project is notable for being the first in China to utilize carbon fiber composite material flywheel energy storage combined with lithium iron phosphate technology [2] - It will be the largest single energy storage station in southern Hebei, providing peak shaving and frequency regulation services with millisecond-level response to grid frequency demands [2]