Solar Energy Company in Perth Metropolitan
Guide to choosing a solar energy company in Perth Metropolitan, with 169 suppliers compared on what actually matters for a solid install.
Perth Metropolitan has 169 businesses listed under solar energy company, covering everything from small residential installers to larger commercial system providers. This category includes companies that design, supply and install solar PV systems, and often battery storage and monitoring equipment as well. Some also handle system upgrades, inverter replacements and ongoing maintenance for panels already on the roof.
Because Perth gets some of the most reliable sun in the country, the local market is crowded, and the gap between a well-run installer and a rushed one shows up years later in the form of underperforming panels, voided warranties or a system that was never sized correctly for the household's usage. A buyer should check that the installer and the panels/inverters they use are on the Clean Energy Council approved list, since this affects eligibility for the federal rebate (STCs). Beyond that, look at how the company handles the site assessment (roof orientation, shading, switchboard capacity), what workmanship warranty they offer separate from the manufacturer's product warranty, and whether they're upfront about realistic payback periods rather than inflated savings claims.
Our scoring weighs verified customer feedback, business longevity, and how consistently a company follows through on installs and after-sales support, so you can compare providers on more than just a quote. See the ranked guide to solar energy companies in Perth Metropolitan for our top picks, and read the methodology page for how we score and rank every listing.
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All solar energy company, ranked by score and relevance
We found 169 businesses offering solar energy company; 66 met the criteria for the scored directory. The order weighs each business's overall score by how much of its reviewed work is solar energy company, so a lower-scored specialist can rank above a higher-scored generalist. Filter and sort below, or open the full map view.
When you submit a quote or contact form here, we may share your enquiry with partner providers who can do the work, and we may receive a referral fee for that. Our rankings and scores are based only on our published methodology and are not affected by referral fees.
Common questions about solar energy company
- How much does a solar system cost in Perth?
- A typical residential system (around 6.6kW to 10kW) commonly runs from roughly $4,000 to $9,000 after the federal STC rebate is applied, depending on panel and inverter brand, roof complexity, and whether battery storage is added. Battery storage adds several thousand dollars more. Get at least three itemised quotes since panel and inverter quality vary a lot at similar price points.
- How often does a solar system need servicing?
- Most manufacturers and installers recommend a visual check every 12 months and a professional inspection every 2 to 3 years, covering panel cleaning, mounting integrity, and inverter performance data. Inverters typically need replacing once in the system's lifetime (often around the 10 to 15 year mark), while panels are usually warrantied for 20 to 25 years.
- What should I expect during a solar installation?
- Expect an initial site assessment of your roof and switchboard, a formal quote with system specs, then a one to two day install once approved. After installation the installer should organise grid connection approval with Western Power and provide documentation for the STC rebate and any state feed-in tariff registration.
- How do I judge the quality of a solar installer?
- Check they're Clean Energy Council accredited, ask how many years they've operated locally, and confirm the workmanship warranty length (5 years minimum is common, some offer 10). Read reviews for mentions of after-sales responsiveness, since that's where lower-quality installers tend to fall short even if the initial install looked fine.
Guides to choosing solar energy company
- Solar installer accreditation and licensing in WA: what to check before you sign
How to verify a solar installer's accreditation in WA, why it affects your rebate and warranty, and the checks worth doing before signing.