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STC compliance, audits, clawbacks and fraud

What are phantom installations and STC claims for systems that don't exist?

Short answer

A phantom installation is an STC claim for a system that was never installed, or not installed as stated. It is fraud, it is actively hunted by the Clean Energy Regulator and installers have been convicted for it, with reported cases involving more than a thousand STCs.

Written and checked by the Energy Merchants desk · Reviewed 3 October 2026 · For installers

The scheme issues certificates when an eligible system is installed. A phantom installation breaks the link between the certificate and the system. It may be a house where nothing was installed, a larger system claimed than was fitted, or a job that was never started at all.

Variants

  • No system at all. The address is real or invented, the photos are not.
  • Not as stated. A smaller system, a different brand or fewer panels than lodged.
  • Not complete. Declared finished and generating when it was not.
  • Wrong site. The claim describes a system at one address that sits at another.
  • Not by the stated installer. The claim names an accredited installer who did not install or supervise it.

Real cases

CER has publicly reported prosecutions where an installer claimed 11 systems that did not exist, creating 1,390 STCs and about $50,000 in payments, and where an installer falsely claimed to have installed or supervised systems while out of the country. A South Australian electrician pleaded guilty over 62 installations. See the penalties page for outcomes. In 2026, CER also suspended a company for declaring systems complete when they were not.

How they get caught

Phantom claims leave traces. Photos do not match other data. Serial numbers are reused. The same photos appear at different addresses. A homeowner tells the regulator no panels were installed. An installer claims two jobs in different places on the same day. CER’s inspection program checks real sites; see site inspections.

Red flags for traders and agents

  • volume that does not match the installer’s crew size
  • jobs at addresses with no connection history or unusual location patterns
  • photos with identical backgrounds across addresses
  • late-night or bulk uploads
  • serial numbers that fail validation or repeat
  • reluctance to supply original images

A trader that pays on a phantom claim faces the loss when the STCs are invalidated; see who pays. That is why compliance desks review photos, forms and serials before anything is lodged.

What this means for installers

If you are a legitimate installer, your risk is not committing fraud, it is being tied to it: a subcontractor who fabricates jobs under your accreditation, a sales partner who invents leads, or a lax sign-off process that lets a bad claim through. Review your subcontractors’ work, check that attendance is real, and never allow your accreditation details to be used on jobs you did not supervise. See installer attendance requirements.

From the desk: if you suspect another party of phantom claims, do not confront them first. Preserve evidence and report it; see [how to report STC fraud](/answers/report-stc-fraud/).

For the overview, read what counts as STC fraud, the STC trading overview and how it works.

Follow-up questions

People also ask

Is a system that was installed but not yet commissioned a phantom?
No, but a claim that says it is complete when it is not is a false statement. CER has suspended a company for declaring systems complete when they were not.
How are phantom claims detected?
Through data analysis, photo checks, site inspections and tip-offs.
What should a trader do if they suspect one?
Stop lodging, ask for evidence and consider reporting to CER.

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