储能可同时参与调频和现货市场，长时储能享容量补偿倾斜！山东电力市场规则征求意见

Core Viewpoint - The article emphasizes the new regulations for energy storage participation in the electricity market in Shandong, highlighting the flexibility for storage systems to engage in both energy and ancillary service markets, and the preferential treatment for long-duration storage systems [4][27]. Group 1: Energy Storage Positioning - Energy storage can act as an independent entity participating in both the energy market and the ancillary service market [4]. - The policy encourages long-duration storage through the daily available capacity assessment (K value) and a market-based capacity compensation mechanism, which tests the reliability and dispatch response of power stations [4]. Group 2: Participation Flexibility - Energy storage systems can choose to switch participation modes daily (energy market, ancillary services, or both) [5]. Group 3: Market Access and Participants - Traditional participants include power generation companies, electricity sales companies, and electricity users, while new participants include energy storage companies, virtual power plants, distributed energy sources, electric vehicle charging facilities, and smart microgrids [6]. - Independent energy storage must have a charge and discharge power of ≥5 MW and a continuous charge and discharge time of ≥2 hours, while distributed energy storage must have a charge and discharge power of ≥1 MW and a continuous charge and discharge time of ≥2 hours [6]. Group 4: Market Participation Mechanism - Participants can engage through volume bidding and voluntarily participate in the day-ahead market clearing [7]. - Options include simultaneous participation in energy and ancillary services or daily participation in only one of them [8]. Group 5: Capacity Compensation Mechanism - The capacity compensation fee is sourced from users and is determined by the provincial development and reform commission [18]. - The distribution principle allocates compensation based on the monthly marketable available capacity ratio of generation-side entities [18]. Group 6: Key Technical Parameters and Capacity Recognition - The daily available capacity assessment (K value mechanism) affects the available capacity recognition if the "operational + standby" hours are less than 24 hours [15]. - Long-duration storage benefits from a higher weight in capacity recognition based on discharge duration, with a 4-hour storage system having double the daily available capacity of a 2-hour system [17]. Group 7: Ancillary Service Market - The main participants include direct-adjustment public thermal power and new operating entities (including independent storage, pumped storage, and virtual power plants) [11]. - The participation principle for storage in ancillary services is voluntary [12]. Group 8: Conclusion - The draft clarifies that energy storage entities have the flexibility to choose daily participation in either the energy or ancillary service market, allowing simultaneous participation in frequency regulation and spot markets [27]. - The combination of "daily available capacity (K value) + capacity compensation distribution" increases the requirements for operational reliability and dispatch response of energy storage stations, with a policy tilt towards long-duration storage reflected in the capacity assessment [27].