A high‑end residential community in Cairo, Egypt has a large number of electric vehicle owners and strong demand for public charging. However, the community power distribution network is old and has limited capacity, making it difficult to add a large number of EV charging piles. Grid voltage fluctuation and peak‑valley electricity price difference lead to high charging cost and poor user experience. The property needs a safe, stable and intelligent EV charging solution based on solar and energy storage.
Location/Time: Cairo, Egypt, May 2025
Configuration: PCS: 200kW, BAT: 600kWh, PV: 250kW
Load: AC and DC EV charging piles, community lighting, monitoring equipment, garage ventilation systems
Operating environment: Urban residential area, high temperature, dry climate, high requirement for safety and quietness
Operating modes: Off-grid and on-grid hybrid operation, solar energy priority, energy storage charging at valley price and discharging at peak price, providing stable power for EV chargers and reducing residents’ charging cost.
The system adopts compact and aesthetic design, which is integrated with community environment. It supports intelligent dispatching, remote monitoring, fault alarm and mobile payment. The system automatically limits overload and ensures safe charging for multiple vehicles at the same time.
After application, the community charging demand is fully satisfied. Residents’ charging cost is reduced by 50%, and the stability and safety of charging are greatly improved. The solution promotes the popularization of electric vehicles in residential areas and helps build low‑carbon and smart communities.
