Core Viewpoint - The recent guidance from the National Energy Administration emphasizes the development of high-quality energy storage equipment, particularly focusing on low-cost long-duration flow battery systems and enhancing the intrinsic safety performance of storage batteries [1][2]. Group 1: Energy Storage Equipment Development - The guidance highlights the need for a high-safety and high-reliability energy storage equipment system, specifically mentioning the construction of low-cost long-duration vanadium-based, iron-based, and organic flow battery systems [1]. - The "mining + energy storage" model is being explored by traditional mining companies to achieve safe operations and low-carbon development, with Yongtai Energy leveraging its advantages in the vanadium battery storage industry [1][2]. Group 2: Yongtai Energy's Initiatives - Yongtai Energy's Nanshan Coal Mine launched a vanadium battery storage project in September last year, integrating a 2.7MWp distributed photovoltaic system with a 1.5MW/6MWh vanadium battery storage system, providing 4 hours of long-duration storage capacity [3]. - As of September this year, the Nanshan Coal Mine's photovoltaic system has generated 2.94 million kWh, with the storage system completing 186 charge-discharge cycles, saving significant electricity costs and providing emergency power [3]. Group 3: Technological Innovations and Challenges - Despite the promising outlook, the large-scale promotion of vanadium battery systems in mining faces challenges, including high initial costs (2 to 3 times that of lithium-ion batteries), low energy density, and temperature limitations [4]. - Yongtai Energy's subsidiary, Vnergy, is addressing these challenges with innovative solid capacity-enhancing materials, which can reduce the cost of positive electrolyte solutions by 40% to 60% and expand the operational temperature range [4][5]. Group 4: Market Potential and Policy Support - The "mining + energy storage" market has significant potential, supported by national policies such as the "New Type Energy Storage Scale Construction Special Action Plan (2025-2027)," which aims to increase the installed capacity of new energy storage [5]. - The integration of photovoltaic and long-duration storage models aligns with the trend of green transformation in mining, indicating a strong demand for energy storage solutions in high-energy-consuming sectors [5].