Project Overview

Client: St John WA Head Office
Project Size: 53kW DC Solar
Project Type: Rooftop Commercial Solar System
Location: Belmont, Western Australia

Westsun Energy was engaged to design and install a 53kW commercial solar system for St John WA Head Office.

The objective was to reduce electricity costs, improve energy efficiency, and deliver a reliable renewable energy solution for a busy operational facility with consistent daytime energy demand.

As a WA-based commercial solar EPC provider, Westsun Energy delivered a tailored solar solution designed to maximise rooftop generation while supporting long-term operational savings.

Challenges

Daytime Energy Demand: Designing a system capable of offsetting daily electricity consumption.

System Optimisation: Maximising solar generation within the available roof space.

Long-Term Reliability: Selecting proven commercial-grade equipment suited to Western Australian conditions.

Solution

Westsun Energy engineered and installed a high-performance commercial solar system featuring:

104 × Jinko Solar Tiger Neo 3 Panels: High-efficiency N-Type modules selected to maximise rooftop energy generation.

1 × Sungrow CX Inverter: Commercial-grade inverter technology providing reliable power conversion, intelligent monitoring, and efficient system performance.

System design focused on:

Maximising Solar Generation: Delivering strong daytime energy production to reduce reliance on grid electricity.

Reliable Performance: Using trusted commercial components engineered for long-term operation.

Long-Term Efficiency: Supporting reduced operating costs and improved energy performance.

Results & Benefits

Solar System Size: 53kW DC

Solar Panels Installed: 104 × Jinko Solar Tiger Neo 3 modules

Inverter: 1 × Sungrow CX inverter

Reduced Electricity Costs: Solar generation helps offset ongoing operational expenses.

Improved Energy Efficiency: Supports daily operations with renewable energy.

Sustainability Impact: Reduces carbon emissions while improving long-term energy performance.

Conclusion

The 191 Great Eastern Highway project demonstrates how commercial solar can deliver reliable energy savings and improved efficiency for operational facilities like St John WA Head Office.

By installing a 53kW rooftop solar system, Westsun Energy delivered a solution designed to reduce electricity costs, maximise renewable energy generation, and provide dependable long-term performance.

This project highlights Westsun Energy’s expertise in 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.