Core Insights - The launch of the domestically developed hydropower auxiliary control system at the Huaneng Xiaowan Hydropower Station marks a significant milestone in achieving complete domestic control systems for hydropower infrastructure in China [1][6] - The full control system consists of four core control systems and auxiliary control systems, which are essential for ensuring the safety and stability of the units and the power grid [4] - The Huaneng Xiaowan Hydropower Station has achieved 100% domestic control system capability, representing a major technological innovation with 59 significant advancements, including 20 key technologies that fill domestic gaps [6][9] Industry Developments - The transition from reliance on imported key components to fully domestic control systems indicates a shift towards self-sufficiency in China's hydropower sector [4][6] - The successful implementation of the fully domestic control system is expected to enhance the long-term safety and stability of hydropower infrastructure in China [9]