If you're looking for reliable solar installers in Western Australia, MrSolar connects you with pre-vetted, CEC-accredited professionals. As of 2025, over one in three Australian homes have solar, and WA boasts some of the highest solar irradiance levels in the world. Whether you're in Perth, Mandurah, Bunbury, or a remote regional town, we help you compare up to 3 quotes from trusted local installers—free and no obligation. Our directory covers all areas of WA, from the South West Interconnected System (SWIS) to off-grid properties. With the federal Cheaper Home Batteries Program starting July 2025, now is an excellent time to invest in solar and storage. Browse our WA state directory to find installers near you.
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Indicative 2026 pricing: a typical 6.6kW system often quotes around $5,000–$8,000 after the STC discount (metro installs often $5,000–$7,500; premium/regional can run higher). See our solar cost guide.
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MrSolar is not a single installer—we are a free referral service that connects you with up to three CEC-accredited solar installers in your area. Every installer on our platform has been vetted for Clean Energy Council accreditation, meaning they meet the highest standards of quality and safety. We also check customer reviews to ensure you only get reliable, trustworthy professionals. Our process is simple: 1) Tell us about your home (roof type, electricity usage, shading), 2) We match you with up to three CEC-accredited installers, 3) Compare your quotes and choose the best one. There's no obligation, no pushy salespeople, and you keep the STCs and any state rebates. With over 400,000 solar systems installed across WA according to the Clean Energy Regulator, you can trust that local expertise is abundant. Start your solar journey today with confidence.
Western Australian homeowners can benefit from several solar rebates and incentives. The federal Small-scale Technology Certificate (STC) program provides an upfront discount on solar panel installations—WA's high solar irradiance means more STCs for your system. For a typical 6.6kW system, you can save thousands. Additionally, the Cheaper Home Batteries Program, effective from 1 July 2025, offers rebates for battery storage to help you store excess solar energy for evening use. WA also has a regulated feed-in tariff for exported solar electricity, but many retailers offer higher rates (check current rates, typically 2-7 cents/kWh on the SWIS grid). The state government's Energy Policy WA provides further information on distributed energy resources. Make sure you use a CEC-accredited installer to be eligible for all rebates—MrSolar only connects you with accredited professionals.
Western Australia receives an average of 4.8–5.2 peak sun hours per day (Perth ~4.9), among the best in Australia. This means your solar system will generate more electricity per kW compared to most other states. Combined with high electricity bills due to air conditioning and pool pumps, the payback period for a solar system in WA is typically 3–5 years. Homes in Perth suburbs like Fremantle, Joondalup, and Rockingham can expect excellent returns. Off-grid properties in regional WA also benefit greatly from solar plus battery systems, reducing reliance on diesel generators. Furthermore, adding a battery now (with the new federal rebate) can increase self-consumption from 30% to 60-80%, maximising savings. Signs solar is right for you: high summer bills, west or north-facing roof, and plans to stay in your home for at least 3 years.
Selecting the right solar system depends on your energy usage, roof orientation, and budget. Most WA homes opt for 6.6kW systems (18-22 panels) due to best value, but larger systems are recommended if you have high daytime usage or an electric vehicle. Always insist on CEC-accredited installers and components (panels, inverters) from reputable brands. For battery-ready systems, consider hybrid inverters. After installation, your system will be connected to the SWIS grid (or local network if regional). Your DNSP (Western Power for most of the SWIS, or Horizon Power for regional) will require network approval—your installer handles this. Remember to shop around for feed-in tariffs; some retailers offer up to 10c/kWh. Our free quote service simplifies this: we match you with pre-vetted installers who will recommend the best system for your home.
Confirm CEC accreditation, exact product models, STC/battery subsidy line items, DNSP/export assumptions, and workmanship warranty length in writing. Compare at least three like-for-like quotes via MrSolar.
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Written and reviewed by Daniel (Marketplace lead, Epic Unicorn Pty Ltd). We build pages from Australian solar datasets and regulatory references, then map you to CEC-accredited installers only.
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