Project Overview
Client: City West Lotteries House Inc
Project Size: 96.8kW DC Solar
Project Type: Rooftop Commercial Solar System
Location: 2 Delhi Street, Perth WA 6005
Westsun Energy was engaged to design and install a 96.8kW DC commercial solar system for City West Lotteries House Inc in Perth.
The objective was to reduce electricity costs, improve long-term energy efficiency, and deliver strong financial returns through renewable energy integration for a multi-tenant commercial facility.
As a WA-based commercial solar EPC provider, Westsun Energy delivered a tailored solution designed to maximise solar generation, reduce reliance on grid electricity, and support long-term operational savings.
Challenges
→ Commercial Energy Demand: Designing a system capable of offsetting daytime electricity usage across a busy commercial site.
→ Financial Performance: Delivering a system with strong return on investment and short payback period.
→ System Optimisation: Maximising rooftop generation capacity while maintaining reliable long-term performance.
Solution
Westsun Energy engineered and installed a high-performance commercial solar system featuring:
→ 220 × Jinko Solar Tiger LM 440W Panels: High-efficiency modules selected to maximise energy production across the available rooftop footprint.
→ 1 × Fronius Tauro ECO 100kW Inverter: Delivering reliable three-phase power conversion with advanced monitoring and commercial-grade performance.
System design focused on:
→ Maximising Energy Production: Delivering strong daytime solar output to significantly offset grid electricity consumption.
→ Reliable Performance: Using proven commercial-grade components suited to Western Australian conditions.
→ Long-Term Financial Returns: Creating a system designed for strong savings over the life of the asset.
Results & Benefits
→ Solar System Size: 96.8kW DC
→ Solar Panels Installed: 220 × Jinko Solar Tiger LM 440W modules
→ Inverter: 1 × Fronius Tauro ECO 100kW inverter
→ Return on Investment: 31.4% ROI
→ Payback Period: Approximately 3.1 years
→ 25-Year Financial Benefit: Estimated $828,781 ahead
→ Reduced Electricity Costs: Significant reduction in annual operating expenses.
→ Sustainability Impact: Reduced carbon emissions through renewable energy integration.
Conclusion
The City West Lotteries House Inc project demonstrates how a well-designed commercial solar system can deliver immediate cost savings and exceptional long-term financial returns.
By installing a 96.8kW rooftop system, Westsun Energy delivered a solution projected to pay for itself in just 3.1 years while generating over $828,000 in long-term value.
This project highlights Westsun Energy’s capability in delivering commercial solar systems across Western Australia, engineered for performance, reliability, and measurable commercial outcomes.
For more information on how Westsun Energy, Perth’s best commercial solar installer, can assist with commercial solar solutions, contact us today.
