Core Viewpoint - The article discusses the electricity purchasing prices for September 2025 across various regions in China, highlighting the changes in peak and valley pricing, and the impact of time-of-use pricing policies on energy storage profitability [2][4]. Summary by Sections Electricity Purchasing Prices Overview - As of September 2025, most regions have released their electricity purchasing prices, with the exception of Inner Mongolia West, Jilin, and Xinjiang [2]. - No new time-of-use pricing policies have been announced for this month [4]. Peak and Valley Pricing - In September, 18 regions have a peak-valley price difference exceeding 0.6 yuan/kWh, while 16 regions have a peak segment price difference exceeding 0.3 yuan/kWh [4]. - Guangdong has the highest peak-valley price difference at 1.3136 yuan/kWh, followed by Hainan at 1.043 yuan/kWh and Shandong at 0.854 yuan/kWh [4]. Year-on-Year Comparison - Compared to the same period last year, the maximum price differences have generally decreased, with only 9 regions experiencing an increase [4]. - Notable decreases in price differences were observed in Heilongjiang (-57.4%), Jiangsu (-40.6%), and Liaoning (-35.2%) due to adjustments in time-of-use pricing policies [4]. Regional Pricing Details - The article provides detailed tables of electricity prices for various regions, including peak, flat, and valley pricing for different voltage levels [5][6][10][19]. - For example, in Guangdong, the non-time-of-use price for 1-10 kV is 0.6893 yuan/kWh, while the peak price is significantly higher during peak hours [5][10]. Impact on Energy Storage - The changes in time-of-use pricing policies significantly affect the profitability of user-side energy storage systems, with ongoing monitoring by CNESA [4]. Future Data Availability - CNESA will continue to track electricity price trends, with detailed summaries and data analysis available in their global energy storage database [4].

文 | 中关村储能产业技术联盟 根据中关村储能产业技术联盟（ CNESA ） DataLink 全球储能数据库 的不 完全统计， 全国各 地已陆续发布7月电网代理购电价格，截止发稿，除河南、云南以外，其他地区均已发布。 核心要点 7月，多地进入迎峰度夏阶段， 22地 开始执行尖峰电价， 5地 执行深谷电价。 | | | | | 2025年7月电网代理购电电价(一般工商业,单一制,1-10kV) | | | | | 单位: 元/kWh | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 序号 | 省市 | 彩嘻电价 | 皇陵岛仪 | 平段电价 | 低谷电价 | 深谷电价 | 最大峰谷价差 | 哮求价套 | 24年7月最大 峰谷差 | 同 将曾长率 | | 1 | 广东-珠三角五市 | 1.5449 | 1.2414 | 0.7416 | 0.2990 | | 1.246 | 0.500 - | 1181.269 | -1.8% | | 2 | 广东-江门 | 1.5367 | 1.2349 | 0.1378 | 0. ...