University Campus Energy Solution Case Study

Off-grid Solar Power and Storage System for EV Charging Station

Location: University in Northwest China

Rated capacity: 100kW/215kWh

The Challenges

• High Energy Costs: High expenses from the grid power.
• Sustainability Goals: Needed to reduce carbon emissions and increase green energy use.
• EV Charging Infrastructure: Insufficient EV charging facilities for students and staff.

Our Solution

Juding provided an integrated off-grid solar power and storage system:

Solar Power System

• Primary Power: Solar energy powers EV charging stations, ensuring 100% green energy.
• Energy Storage: 215kWh system for continuous power supply, even without sunlight.

Product Configuration:

• 50kWp solar panels
• 215kWh energy storage system
• 50kW PV inverter
• 100kW power conversion system (PCS)
• 5 sets of 40kW DC fast chargers

Project Benefits

• 100% Green Energy: Charging stations powered entirely by renewable solar energy.
• Enhanced EV Charging: Supports simultaneous charging of 5 EVs.
• Reduce Energy Cost: Generates 110MWh of electricity annually, reducing energy costs.
• Carbon Reduction: Cuts carbon emissions by 109 tons per year.

Case Summary

The off-grid solar power and storage system effectively reduces the university energy costs and enhances EV charging infrastructure while significantly lowering carbon emissions. This solution promotes energy efficiency and sustainability on campus.