Solar installer licensing in Perth: what's required and how to verify

Not all Perth solar installers are equally qualified. The industry has multiple overlapping licence and accreditation requirements — and some operators exploit the complexity to appear compliant when they aren't. Here's what to check and how.

Licence 1: WA electrical worker's licence (mandatory)

In WA, all electrical installation work (including solar) must be performed by a licensed electrical worker. The Electrical Licensing Board (ELB) registers electrical contractors and workers in WA.

What to check:

• Ask the installer for their WA Electrical Contractor Licence number
• Verify at Commerce.wa.gov.au/electrical-licensing (the BSR online check)
• The licence should be current and classified for electrical contracting work

An unlicensed electrician installing solar in WA is committing an offence under the Electricity (Licensing) Regulations 1991. Any insurance claims relating to installation defects may be void if the work was performed by an unlicensed worker.

Licence 2: CEC accreditation (required for STCs and DEBS)

The Clean Energy Council (CEC) operates the national accreditation scheme for solar installers and retailers. CEC accreditation is separate from the WA electrical licence.

Why CEC matters:

• STCs: The STC point-of-sale discount is only available for systems installed by a CEC-accredited installer
• DEBS: Western Power requires a CEC-accredited designer to sign off on the NCN application
• WA Battery Incentive: The $130/kWh battery incentive requires the battery to be on the Synergy SSL (Synergy Supported List) and installed by a CEC-accredited installer

Two types of CEC accreditation:

CEC Accredited Installer: The person doing the physical installation. Tests and assessments cover PV design, electrical safety, and installation standards (AS/NZS 5033, AS 4777).

CEC Approved Retailer: The company selling the system. Consumer protections under the CEC Retailer Scheme require the retailer to provide a CEC-compliant installation warranty and use accredited installers.

How to verify:

• Check the installer's CEC accreditation at cleanenergycouncil.org.au/consumers/installer-accreditation-search
• Verify both the individual installer's accreditation AND the company's Approved Retailer status
• The accreditation search shows the scope of accreditation (PV only, or PV + battery)

The CEC battery installer accreditation

Solar battery storage requires a separate or extended CEC accreditation. A PV-only CEC accreditation does NOT cover battery storage installation. An installer quoting on a solar + battery system must hold CEC accreditation for battery storage specifically.

When reviewing quotes: Ask explicitly "Does your CEC accreditation cover battery storage?" and verify on the CEC register. The CEC register shows the scope of accreditation (which categories are covered).

Licence 3: Western Power NCN experience (not a formal licence, but crucial)

The Western Power Network Connection Notice (NCN) application requires a CEC-accredited PV designer to prepare and submit. This isn't a separate licence — it's a competency that experienced Perth installers have and newer or unqualified operators may lack.

What to ask: "How many NCN applications have you lodged in the past 12 months?" A Perth installer handling residential solar regularly should have lodged dozens. An unfamiliar installer who answers vaguely or seems unaware of the NCN process is a concern.

What "Master Electrician" means

Some Perth installers advertise membership in the Master Electricians Australia (MEA) industry association. This is a trade association membership — not a regulatory licence. MEA members have agreed to a code of conduct and have access to MEA support, but MEA membership does not substitute for the WA electrical licence or CEC accreditation.

Master Electrician status is a positive signal (it indicates a business of some standing within the industry), but verify the ELB licence and CEC accreditation separately — they're the legally required credentials.

Fly-in, fly-out and door-to-door installers

Perth periodically sees interstate operators running door-to-door sales campaigns and installing systems using crews who fly in from eastern states. These can be legitimate, but check:

• Is the WA electrical licence current? An interstate company must have a WA electrical contractor licence to work in WA — the eastern states licence doesn't transfer.
• Who performs the installation? Verify that the individuals installing are CEC-accredited (their individual CEC numbers, not just the company).
• Who handles post-installation warranty claims? A company with no WA presence may be difficult to deal with for warranty claims 3 years post-installation.

Building permits for solar in Perth (limited scope)

Perth residential solar systems that comply with the standard installation requirements (mounting on existing roof framing, system within permitted inverter sizes) typically don't require a separate building permit in addition to the Western Power NCN. However, ground-mounted systems, systems requiring new structures, and some heritage-listed property installations may require building permits from your local council.

Your installer should identify permit requirements during the site assessment. If no building permit discussion occurs but your installation appears to require one, ask.

Summary verification checklist

Before signing a Perth solar contract:

• [ ] WA Electrical Contractor Licence number obtained and verified on BSR (Commerce WA)
• [ ] CEC accreditation number obtained and verified on CEC register (includes current status + scope)
• [ ] Battery storage accreditation confirmed (if quote includes battery)
• [ ] NCN process discussed and installer is familiar with Western Power application process
• [ ] Company has a WA business address (not fly-in operation)
• [ ] Post-installation warranty contact is a WA entity

Perth solar installation legally requires two separate credentials: a WA Electrical Contractor Licence (regulatory requirement) and CEC accreditation (for STC eligibility and DEBS/battery incentive access). Both are publicly verifiable. Skipping the verification takes 5 minutes and is the most reliable screen for unqualified operators.