500kW/1075kWh C&I Battery Storage System Case Study

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BroVolt successfully installed a 500kW/1075kWh commercial and industrial energy storage system for its client.

BroVolt successfully installed a 500kW/1075kWh commercial and industrial energy storage system for its client.

The system is now operating smoothly and reliably.It has significantly improved customer satisfaction and on-site energy performance.

This project uses five 100kW/215kWh air-cooled all-in-one battery energy storage cabinets connected in parallel.From the beginning, the client required a system that is safe, reliable, and easy to upgrade.To meet these needs, BroVolt selected mature products and a modular system design.This design allows flexible capacity expansion in the future based on actual operating conditions.The system also features a redundant architecture and supports both grid-connected and off-grid operation modes.It provides the client with a clean, stable, and reliable power supply.

100kW 215kWh all in one battery storage


 

In grid-connected mode, electricity generated by the solar power system is used by on-site loads first.When solar generation exceeds load demand, the system responds based on electricity price strategies.It can either feed excess power back into the grid or store it in the batteries.During low electricity price periods, the system charges the batteries using solar power or low-cost grid electricity.During peak price periods, the energy storage system discharges to supply the load or export power to the grid.This strategy enables peak shaving and valley filling.It effectively reduces electricity costs and improves overall energy efficiency.

 

When the grid experiences faults or power outages, the energy storage system switches to off-grid mode within milliseconds.It operates together with the solar power system and critical loads.An independent microgrid is formed.This ensures continuous and stable power supply to core loads.

500kW 1075kWh all in one battery storage


 

In off-grid mode, solar power is still prioritized for load consumption.Excess electricity is automatically stored in the battery system.When sunlight is insufficient or during nighttime, the energy storage system supplies power to the loads.This guarantees reliable operation and production continuity.The system operates under a smart energy management strategy.The strategy follows “daytime solar power priority with energy storage peak shaving, and nighttime energy storage supply.”An energy management system (EMS) performs real-time monitoring and intelligent scheduling.It tracks PV output, load demand, battery state of charge (SOC), and electricity price signals.This approach effectively smooths PV output fluctuations.It also increases the utilization rate of renewable energy.

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Overall, the solution enhances power supply safety and system resilience on the user side.It also provides strong flexibility for future upgrades.The system is well prepared for demand response, virtual power plant (VPP) participation, and electricity market trading.With strong economic performance and long-term value, this project demonstrates BroVolt’s expertise in commercial and industrial energy storage solutions.