By Greg Allan, tradesman and creator of Data First Coaching
What licence does a solar installer need in Australia?
In most of Australia, a solar installer needs either an electrical contractor’s licence or a building work contractor’s licence, and which one applies depends on whether the job involves structural building work and which state the work is in. According to Consumer and Business Services SA, where the install does not include structural building work, you can hold either an electrical contractor’s licence or a building work contractor’s licence, often endorsed for PV solar panel installation. Where the install does include structural building work, that same guide says you need a building work contractor’s licence, the structural side must be supervised by a registered building supervisor, and the electrical work itself, including the array, inverter and wiring, must always be done by a registered electrician.
In New South Wales, only the holder of a building or electrical contractor licence can contract to install solar panels on a residential or other premises, according to NSW Government guidance. A building contractor can take the job, but an electrical contractor licence holder still has to be engaged for the wiring, because solar panel electrical wiring, on any site, must be done under an electrical contractor licence or a qualified supervisor certificate. NSW is also moving toward a dedicated installer portal for commissioning new and upgraded rooftop solar and battery systems, so the paperwork trail behind every install is becoming more structured, not less.
Victoria requires an unrestricted electrical licence registered with Energy Safe Victoria for solar PV and battery installers, according to Solar Victoria. Queensland’s electrical work and electrical contractor licensing sits under its own Act, administered by WorkSafe Queensland, which requires people performing or supervising electrical work to hold a current electrical work licence, and a business that performs electrical work to hold a current electrical contractor licence. Tasmania requires solar electrical work to be carried out by someone holding a valid unrestricted electrical practitioner licence working under a licensed electrical contractor, with any attached building work needing separate approval under the Building Act 2016, according to the Tasmanian regulatory guide. South Australia requires an electrical contractor’s licence to contract for electrical work, and an electrical worker’s registration to actually perform it, per CBS SA.
Because the rules differ state by state, the regulator to ask is the one in the state where the solar installer is contracted to do the work, not a single national body.
Does a solar installer also need accreditation to claim rebates and connect to the grid?
Yes. An electrical licence lets a solar installer legally wire a system, but to claim rebates or small-scale technology certificates, the installer and designer also need separate accreditation on top of that licence. According to Solar Victoria, installers and designers need Small-scale Renewable Energy Scheme solar accreditation for grid connected systems, and anyone installing batteries needs separate SAA battery installer accreditation. The Clean Energy Regulator oversees that accreditation and product approval scheme, and any solar panel or battery retailer selling into a rebate program also needs to be a New Energy Tech Approved Seller under the New Energy Tech Consumer Code. For larger commercial solar work connecting at higher voltages, a licensed electrician must install and connect any equipment above extra low voltage, according to Energy Safe Victoria’s guidance on large-scale solar farms.
This is general information, not legal, tax or employment advice. Check your own situation with the body named here or a qualified adviser.
Why isn’t holding the licence enough to run a compliant solar business?
Most solar installers treat the licence and accreditation as a box ticked once at the start, then filed away and forgotten. Feed-in tariffs keep moving and export limits are turning up on more networks, which changes what a solar customer actually needs from a quote, not just whether the installer is legally allowed to take the job. A licence says who can sell and install a system; it says nothing about whether the numbers behind that quote still stack up by the time the system is actually on the roof.
For a solar installer doing commercial solar, building codes are also adding requirements such as provision for EV charger infrastructure in new apartment and commercial builds. The accreditation still covers the install itself, but the compliance scope on that job keeps growing, and it is rarely priced for at the quoting stage. Treating the licence as the finish line, rather than the entry ticket, is how a solar installer ends up doing the right paperwork on a job that was never fully scoped.
What happens when the compliance scope on a job is bigger than the paperwork covers?
Picture a solar installer whose crew is called out to upgrade a switchboard on a home that already has an array on the roof. The electrician isolates the mains as always, checks with a tester, and starts work, not realising the solar system is still live and feeding back into the board. The licence said this electrician was qualified to do the electrical work. The accreditation said the firm was qualified to install solar. Neither one, on its own, flagged that this particular job now carried a second source of voltage the standard isolation procedure never anticipated.
That gap did not come from a missing licence. It came from a safe work procedure that was built for a switchboard job, not for a switchboard job on a property with solar already installed. One of the senior techs on that crew used the firm’s own system to run a full investigation into what happened, update the safe work procedure to cover solar isolation on every switchboard job, and hold a toolbox talk with the whole crew, with everyone signing off that they understood the new step before anyone else went up a ladder or opened a board again.
How can a solar installer keep pricing and compliance in step as the rules keep shifting?
The number that tells the truth here is not the licence register, it is the solar installer’s own job data: which jobs still carry the margin they were quoted at once accreditation, network approval and any extra compliance step are actually accounted for, and which ones have quietly eroded because feed-in tariffs or export limits moved after the quote was locked in. Working from memory or from last year’s pricing means every quote is built on an old picture, and that is how margin leaks out of a solar business one job at a time.
This is where AI agents earn their place in a solar business. An AI agent is software that does a job the way the owner would, with their prices, wording and rules, so it can check a job against current feed-in and accreditation requirements before the quote goes out, flag when a commercial solar job needs EV charger provision accounted for, or hold the right sign-off before a crew gets on the roof. This is data first thinking: starting from what the solar installer’s own jobs, margins and compliance records actually show, rather than from memory, and putting an AI agent in front of the moment things go wrong rather than cleaning up a warranty claim or a service call after the fact.
Where can you check the current rules?
- Consumer and Business Services SA solar panel guide covers South Australian licensing for solar installers, including when structural building work changes the licence needed.
- NSW Government solar panel compliance page covers building and electrical contractor licence requirements for installing solar panels in New South Wales.
- Solar Victoria: become an authorised solar retailer or installer covers Victorian electrical licensing and solar and battery accreditation.
- Solar Victoria: regulators and peak bodies covers the Clean Energy Regulator’s role in installer accreditation and the New Energy Tech Consumer Code.
- Tasmanian regulatory guide on solar panel installations covers electrical practitioner licensing and building approval for solar in Tasmania.
- Energy Safe Victoria: large-scale solar farms covers electrician licensing requirements for higher-voltage commercial solar connections.
- WorkSafe Queensland electrical licensing eligibility guide covers Queensland’s electrical work licence and electrical contractor licence requirements.
- CBS SA: working as an electrician in SA covers South Australian contractor licensing and worker registration for electrical work.
How does Data First Coaching approach this?
Data First Coaching starts from the solar installer’s own job and finance data through the Trade Business Intelligence, not from a generic licence checklist, because the real question is never just whether the paperwork is current. It is whether pricing, advice and site procedure have kept pace with what that paperwork actually requires as rebates, tariffs and building codes shift. Greg Allan built his own trade business before coaching others, and his view on advice is blunt: “we wouldn’t recommend anything unless they genuinely wanted to hear about it.” Working out how that shows up in a solar installer’s own quoting, accreditation records and safe work procedures is done inside the Academy, with members, because the Trade Business Intelligence is powered by every member who is open minded, innovative and willing to share what they learn.
Looking for a business coach who starts from your numbers? Solar Business Coach or every answer for solar installers.
