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].