Group 1 - Recently, 10 user-side energy storage projects have been launched, with a total scale exceeding 100 MWh, mainly distributed in Zhejiang (3), Sichuan (1), Guangdong (1), Anhui (1), Africa (3), and one in East China (province unspecified) [2] - These projects primarily serve high-energy-consuming manufacturing enterprises, featuring diverse solutions such as integrated solar-storage systems, solar-diesel-storage microgrids, and "source-network-load-storage" integration [2] - In regions with weak power infrastructure like Africa, microgrids and integrated solar-storage solutions are becoming mainstream [2] Group 2 - The 12.9 MW/25.08 MWh commercial energy storage station in Ma'anshan, Anhui, successfully connected to the grid, utilizing 60 units of 215 kW/418 kWh smart energy storage cabinets [3] - The project is expected to discharge an average of 11.68 million kWh annually, generating approximately 8.75 million yuan in the first year and a total of over 78.12 million yuan in ten years [5] Group 3 - Haier New Energy's 1 MW/2.15 MWh energy storage system in Foshan, Guangdong, has been successfully connected to the grid, employing a lithium iron phosphate technology route [6] - The project is expected to generate over 10 million yuan in revenue through peak-valley arbitrage over its lifecycle [8] Group 4 - The 4.8 MW/10.4 MWh energy storage project in Shaoxing, Zhejiang, has been successfully connected to the grid, featuring two lithium iron phosphate battery units and four 1250 KVA integrated transformer-inverter units [9][11] - The project is expected to achieve an annual charging capacity of 6,511 MWh and a discharging capacity of 5,533 MWh [11] Group 5 - The 1.25 MW/2.61 MWh energy storage project in Zhejiang, constructed by Shanghai Zini New Energy, has been successfully connected to the grid, integrating with an existing photovoltaic power station [12][14] - This project aims to reduce peak electricity costs through the "solar-storage integration" approach [14] Group 6 - A 10 MW/20 MWh commercial energy storage station in East China has been successfully connected to the grid, with an expected annual discharge of 9 million kWh, saving customers approximately 4 million yuan in electricity costs [15][17] - The project will also participate in grid regulation, providing emergency backup power during grid fluctuations [17] Group 7 - A 5.16 MWh solar-storage-diesel integrated energy storage system has been successfully shipped to a West African country, marking one of the first projects of its kind in the region [18][20] - The system features high-capacity battery cells with over 95% charge-discharge efficiency and is designed for intelligent operation through IoT architecture [20] Group 8 - A 500 kW/1205 kWh solar-storage-diesel microgrid project has been successfully delivered in Africa, designed to accommodate future load growth [21] - The project utilizes a solar-storage-diesel integrated system to provide reliable power supply in a newly planned industrial park [21] Group 9 - The 5 MW/10 MWh electrochemical energy storage project by Changcheng Tungsten Molybdenum has been officially completed, focusing on energy structure adjustment and exploring a full-chain model of "storage + renewable energy + intelligent scheduling" [29][31] - The project employs a "two charge two discharge" control strategy to reduce electricity procurement costs and lower carbon emissions [31]

Core Viewpoint - The article highlights recent advancements in the commercial energy storage sector, with four companies announcing significant projects that enhance energy reliability and efficiency in various regions [2][3][6][12]. Group 1: Company Developments - GCL-Poly Energy has secured a 150MWh commercial energy storage project in Wuhu, consisting of 30 units of 2.5MW/5MWh storage sub-units, featuring intelligent control platforms for various commercial scenarios [3][5]. - Daqin Energy has successfully connected a 10MW/20MWh commercial energy storage project in Suzhou to the grid, providing a comprehensive solution that includes project planning, design, equipment supply, and smart operation management [6][8]. - Jinko Solar is deploying two 2.15MWh energy storage systems in El Salvador and has partnered with a Mauritanian brand to implement a solar plus storage system, aiming to reduce carbon emissions and operational costs [9][11]. - China National Petroleum Corporation has established a large-scale solar-storage charging station in Guangdong, featuring a peak photovoltaic capacity of 243KW and an annual power generation of approximately 219,000KWh [12]. Group 2: Economic and Environmental Impact - The GCL-Poly project is designed to provide economic benefits through peak shaving and emergency backup, while also preparing for virtual power plant support [5]. - The Daqin Energy project is expected to save the client approximately 4 million yuan annually in electricity costs, with an estimated annual discharge of 9 million kWh [8]. - Jinko Solar's projects are projected to significantly reduce carbon emissions, with the Mauritanian project expected to cut around 1,800 tons of CO2 emissions annually [11]. - The CNPC charging station is anticipated to serve about 170,000 new energy vehicles per year, contributing to a reduction of approximately 140 tons of carbon emissions annually [12].