Roughly 1 in 5 Australian solar retailers operating in 2020 are no longer trading under the same ABN. Their warranties walked out the door with them. CEC accreditation is necessary but it is not enough on its own — and most homeowners have no realistic way to find out the rest.
The single most underrated function of a solar broker is the unglamorous one: keeping a panel of installers we actually trust, and removing the ones we don't. This essay is the checklist we run before an installer earns a spot on the panel — and the standing review that decides whether they keep it.
01Why CEC accreditation isn't enough
The Clean Energy Council's Approved Solar Retailer scheme and individual installer accreditation are the legal floor for participating in the small-scale technology certificate (STC) system in Australia. You can't claim the rebate without it, and you shouldn't hire anyone who can't show you the badge.
But here's what the badge does not tell you:
- Whether the company is financially solvent enough to honour a 10-year workmanship warranty
- Whether the named accredited installer is the person who will actually be on your roof, or a subcontracted crew operating under their license
- Whether there are complaints lodged with state Fair Trading bodies that haven't escalated to CEC level
- Whether the directors of the company have appeared on the ABN of two or three previous failed solar companies
The CEC's own enforcement is limited to the rebate-eligibility layer. The broader question — is this installer one I would want on my roof — sits above it.
02The five-layer diligence stack
Here is what we actually run before an installer makes it onto the panel. It is not exciting. It is, on the other hand, the entire reason the model works.
CEC accreditation tells you an installer can do solar. The standing review tells you whether they currently are.
03The phoenix problem (this is the big one)
If you've heard the phrase "solar coaster," this is the dynamic it refers to. Solar retailers spin up during rebate-friendly years, take on installation backlogs they can't service, lose suppliers, fold, and the same directors re-emerge a quarter later under a new ABN. The customer's 10-year workmanship warranty is gone with the previous entity, and the new entity has no obligation to honour it.
The Clean Energy Council's approved retailer scheme has tightened up considerably, but ABN-level phoenixing still happens. Catching it requires actively cross-referencing director histories — which is technically free public data and practically requires a researcher and an afternoon for every installer. We do that afternoon, once. A homeowner buying solar once a decade is not going to.
04What gets an installer dropped from the panel
This is the part most homeowners ask about. The honest list, in order of severity:
- Loss of CEC accreditation, license, or insurance. Immediate removal, no discussion.
- Pattern of unresolved workmanship complaints. Three or more in a 90-day window, or any single safety-grade defect, triggers removal pending a full review.
- Subcontracting outside the agreed crew. When the quote names an installer and the install is performed by an unnamed third party without the customer being told, the trust contract is broken.
- Pricing inconsistency across jobs. If the same hardware spec is being quoted to our customers materially higher than market in your suburb, we ask why. If the answer isn't satisfactory, we down-weight or remove.
- Director appearing on a previously failed solar ABN. Rare, but we look.
What you can do as a homeowner. Before signing any solar contract — broker-introduced or direct — search the company's ABN on the ABR for registration date, search ASIC for the directors, and ask explicitly whether the workmanship warranty is third-party insured or self-funded. Three minutes of homework that prevents most of the disaster scenarios.
05Why a homeowner can't realistically do this themselves
It isn't that the information is hidden. Most of it is public. It's that the work is high-volume and low-signal — a few minutes per installer, multiplied across the 5 or 10 you'd need to compare to make an informed choice, multiplied by the half-life of the information (a clean record last quarter doesn't mean a clean record this month).
What a broker does is amortise that work across every customer. We do the diligence once per installer per quarter, and the cost gets spread across hundreds of customer matches. The marginal cost to you is zero. The marginal benefit is real.
06The honest summary
"Vetted installers" is the kind of phrase that gets used on every solar website in Australia, including by retailers who define vetted as "we got back to their emails." The version of vetting that actually matters — corporate health, director history, third-party-insured warranty, live performance review — is invisible from a quote page.
If you take one thing from this essay, take this: the question to ask any solar provider, broker or retailer, is "what would have to happen for you to remove this installer from your panel?" If they have an answer, the panel is real. If they don't, the panel is a marketing word.