Zheng Quan Shi Bao Wang·2026-01-13 06:52Core Viewpoint - The successful completion of the underwater pumped storage energy system "Dongchu No. 1" marks a significant advancement in China's energy storage technology, filling a gap in the domestic market and providing a new technical pathway for flexible regional adjustment systems [1] Group 1: Technology Development - The "Dongchu No. 1" system is the first kilowatt-level underwater pumped storage energy system developed independently by the Dongfang Electric Group [1] - The system underwent a 10-day comprehensive underwater test in Minhu, Fujian, which successfully verified the feasibility of Dongfang Electric's underwater energy storage technology solution [1] Group 2: Market Implications - The technology has strong environmental adaptability, making it applicable to conventional reservoirs at various depths across the country [1] - This innovation addresses the challenges of site selection for land-based pumped storage power stations, potentially expanding the options for energy storage solutions in China [1]