独立储能参与现货市场进展情况及盈利空间

Core Viewpoint - The article emphasizes that with the implementation of Document No. 136, the independent energy storage capacity leasing model will gradually fade, and independent energy storage will inevitably participate in the electricity market, with spot market price arbitrage becoming a primary source of revenue [2][3]. Group 1: Progress of Spot Market Construction - The national top-level design for electricity market reform has made significant progress, establishing a multi-level, multi-category, multi-functional, and multi-entity electricity market system [4]. - The National Development and Reform Commission and the Energy Administration issued Document No. 394 in April 2025, outlining the timeline for the construction of spot markets in various provinces [4]. - Various provinces are accelerating the construction of electricity spot markets, with several regions transitioning to formal operations in 2023, including Inner Mongolia, Hubei, and Zhejiang [5][7]. Group 2: Independent Energy Storage Profitability - The profitability of energy storage in the spot market largely depends on the peak-valley price difference, influenced by multiple factors such as generation characteristics and market price limits [8][10]. - Different provinces have unique market rules for energy storage participation, with some provinces implementing compensation mechanisms for energy storage due to low price differences in the spot market [11][14]. - The peak-valley price difference has shown an upward trend since 2025, with Shanxi experiencing the largest increase of 43% [10][11]. Group 3: Market Rules and Mechanisms - Provinces are continuously optimizing market rules and trading mechanisms, allowing energy storage to participate as an independent entity in market transactions [8][9]. - The article outlines various operational states of the spot market across provinces, indicating that some regions have implemented continuous settlement trial operations while others are in different stages of market readiness [7][9]. - The article highlights the need for a fair and reasonable market competition environment to ensure that independent energy storage can achieve value returns through diversified participation in energy markets [11].