Project Overview
Client: Excess Power
Project Size: 60kW DC Solar + 51.2kWh Battery Storage
Project Type: Commercial Solar & Battery System
Location: Western Australia
Westsun Energy was engaged to design and install a 60kW solar system paired with 51.2kWh of battery storage for Excess Power.
The objective was to reduce electricity costs, improve energy independence, and maximise the use of on-site solar generation through integrated battery storage.
As a WA-based commercial solar EPC provider, Westsun Energy delivered a tailored solution designed to support consistent daytime energy demand while ensuring reliable long-term performance.
Challenges
→ Energy Management: Ensuring solar generation and battery storage work together to maximise self-consumption.
→ System Integration: Designing a solution that aligns with the site’s energy usage profile and operational requirements.
→ Storage Optimisation: Maximising the value of stored energy during non-sunny periods.
Solution
Westsun Energy engineered and installed a high-performance solar and battery system featuring:
→ 117 × 510W Canadian Solar Panels: High-efficiency modules selected to maximise energy production across the available rooftop.
→ 1 × GoodWe Inverter: Delivering reliable power conversion and system performance.
→ 2 × GoodWe 25.6kWh Battery Systems (51.2kWh Total): Providing energy storage to capture excess solar generation for later use.
System design focused on:
→ Maximising Energy Production: Generating strong daytime solar output to support operational demand.
→ Battery Energy Utilisation: Storing excess solar energy for use during evening and low-generation periods.
→ Reduced Grid Reliance: Supporting greater energy independence through integrated solar and storage.
Results & Benefits
→ Solar System Size: 60kW DC
→ Battery Storage Capacity: 51.2kWh
→ Solar Panels Installed: 117 × 510W Canadian Solar modules
→ Inverter: 1 × GoodWe inverter
→ Battery System: 2 × GoodWe 25.6kWh battery units
→ Reduced Electricity Costs: Solar and battery integration helps offset grid usage.
→ Improved Energy Efficiency: Maximises use of generated solar energy.
→ Enhanced Energy Independence: Stored energy supports operations during non-sunny periods.
→ Sustainability Impact: Reduced carbon footprint through renewable energy integration.
Conclusion
The Excess Power project demonstrates how integrating solar generation with battery storage can significantly improve energy efficiency and reduce reliance on grid electricity.
By installing a 60kW solar system with 51.2kWh of battery storage, Westsun Energy delivered a solution that supports long-term cost savings, energy independence, and operational reliability.
This project highlights Westsun Energy’s capability in delivering integrated solar and battery systems across Western Australia, engineered for performance, reliability, and long-term value.
For more information on how Westsun Energy, Perth’s best commercial solar installer, can assist with commercial solar solutions, contact us today.
