en.Wedoany.com Reported - The solar-storage-charging project implemented by East Group in collaboration with partners at a zero-carbon cultural and sports community park in Guangzhou has become a demonstration case for urban low-carbon transformation. By integrating photovoltaic power generation, energy storage systems, and charging facilities, the project transforms a traditional cultural and sports park into a zero-carbon smart energy demonstration space, injecting green energy into the community park.
The client's core demand is cost reduction and revenue increase. The project adopts a solar-storage-charging system, leveraging peak-valley electricity price differences for arbitrage—storing energy during low-demand periods and releasing it during peak hours, significantly reducing electricity operating costs. At the same time, the system addresses the challenges of difficult and expensive charging for nearby residents, improving the layout of urban new energy charging facilities. Photovoltaic power is prioritized for park self-use, with surplus electricity stored in the energy storage system for on-site consumption, contributing to regional carbon reduction. The project unlocks revenue channels including photovoltaic self-consumption, storage arbitrage, and charging services, offering a clear path to cost recovery and enabling rapid replication in scenarios such as large commercial districts, industrial parks, logistics parks, and transportation service areas.
The core equipment provided by East Group for the project is the 125kW-261kWh liquid-cooled energy storage cabinet, with a total power of 250kW and a total capacity of 522kWh. This equipment adopts an intelligent string architecture and three-level topology technology, achieving high energy conversion efficiency. The liquid-cooled temperature control technology keeps battery temperature differences within a reasonable range, reducing auxiliary power consumption and extending system lifespan. The equipment features an integrated design, enabling grid connection and operation upon unpacking, with modular expansion supporting multiple parallel units, and high-energy-density cells saving floor space. In terms of safety, the equipment uses long-life lithium iron phosphate cells, supplemented by explosion-proof design and multiple fire protection measures using perfluorohexanone, and supports off-grid load operation. Daily operation and maintenance are handled by a smart cloud platform, enabling remote and local upgrades, reducing manual maintenance costs.
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