Case Study: 99.45kW Solar DC Installation at Gilbert’s Fresh Market
Client: Gilbert’s Fresh Market
Project Size: 99.45kW DC Solar
Project Type: Rooftop Commercial Solar System
Location: Hilton, Western Australia
Project Overview
Westsun Energy was engaged to design and install a 99.45kW DC commercial solar system for Gilbert’s Fresh Market.
The objective was to significantly reduce electricity costs, improve long-term energy certainty, and deliver a strong financial return through renewable energy integration for a high-demand retail environment.
As a WA-based commercial solar EPC provider, Westsun Energy delivered a tailored solution designed specifically for consistent daytime trading loads and long-term operational performance.
Challenges
→ Optimising System Size: Designing a system that maximised available roof space while aligning solar generation with refrigeration and retail energy demand.
→ Efficiency & Reliability: Ensuring strong annual output while maintaining compliance with Australian standards.
→ Operational Continuity: Coordinating installation works without disrupting daily store operations.
Solution
Westsun Energy engineered and installed a high-performance commercial solar system featuring:
→ 170 × 585W Canadian Solar Panels: High-efficiency modules selected to maximise production across the available roof footprint.
→ 1 × Fronius Tauro Eco Inverter: Delivering reliable three-phase power conversion with advanced monitoring capabilities.
System design focused on:
→ Maximising Annual Energy Production: Estimated 174,233 kWh per year to significantly offset grid electricity usage.
→ Professional Installation & Safety: Ensuring compliance with all standards and long-term reliability.
→ WA-Specific Engineering: Designed to perform consistently under local climate conditions.
Results & Benefits
→ Estimated Annual Production: 174,233 kWh
→ Estimated ROI over 25 years: 1,936%
→ Discounted Payback Period: Approximately 2–3 Years
→ Cost Certainty: Reduced exposure to rising electricity prices.
→ Sustainability Impact: Significant reduction in carbon footprint while supporting long-term business viability.
Conclusion
The Gilbert’s Fresh Market project demonstrates how a strategically sized commercial solar system can deliver substantial financial returns while supporting operational efficiency in energy-intensive retail environments.
By installing a 99.45kW rooftop system, Westsun Energy provided a solution that maximises energy savings, delivers a fast payback, and strengthens long-term performance.
This installation highlights Westsun Energy’s capability in designing and delivering commercial solar 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.
