How to Invoice as an Electrician: Line Items, Markup, Certificates and GST

How to invoice as an electrician: split the job into a call-out fee, labour and materials, mark up the materials on purpose, add your ABN and licence number, reference the compliance certificate, and add 10% GST if you're registered. The fastest way to get the layout right is a free electrician invoice template; this guide covers the decisions behind each line, with a worked switchboard invoice and the markup maths most sparkies get wrong.

What should an electrician's invoice itemise?

An electrician's invoice should show the call-out or service fee, labour, and materials as separate lines, plus the job address and the certificate number for the work. Customers argue about lumped totals; they rarely argue about a $95 call-out next to 6.5 hours of labour and a parts list.

Hourly or fixed? Use fixed pricing for jobs you can scope from a photo (power points, downlights, smoke alarm swaps) and hourly for fault-finding, where nobody knows how long it'll take. Whatever you quoted is how you invoice: if the quote said "fixed price", don't send an hourly breakdown that adds up to more.

How do I work out materials markup on an electrical invoice?

Markup is a percentage added to your cost; margin is the share of the selling price that's profit. A 25% markup is a 20% margin, not 25%. Decide which number you're targeting before you price the parts list, because the gap grows with every job.

The last row is the common one: materials passed through at trade price. You've spent time sourcing, collecting and warrantying those parts, and you carry the cost until the customer pays. How much you add is your call; there's no regulated rate. What matters is that the invoice shows a unit price per item, so a customer comparing a $60 RCBO with a hardware-store shelf price sees a clear line, not a mystery total.

Markup goes on the GST-exclusive cost. If you're registered, you claim the GST on your wholesaler invoice as a credit, then charge GST on the full sell price. If you're not registered, your cost is the GST-inclusive price you paid, and that's what you mark up.

Does an electrician need a licence number on invoices and quotes?

The state rules we checked put the licence-number duty on advertising and certificates, not specifically on invoices. Printing your licence or contractor number on every quote and invoice is still the simplest way to stay covered, and customers can use it to check you on the regulator's register.

Note the regulator for electricians in Victoria is Energy Safe Victoria, not the building and plumbing regulator. In NSW, a bigger job can bring contract rules into play too: Fair Trading's guide to home building contracts requires a written contract showing your licence number for residential building work over $5,000. Check whether your job is covered before you start.

Which compliance certificate goes with an electrical invoice?

Every state requires a safety certificate for regulated electrical work, and it's a separate document from the invoice. Reference its number on the invoice so the customer, their insurer or a future buyer can match the payment to the certified work.

• NSW: Certificate of Compliance for Electrical Work (CCEW). The person who did the test must submit it as soon as practical and no later than seven days after the test, and copies can go automatically to the customer when their email is on the certificate. Lodgement is with Building Commission NSW, per the NSW electrical compliance requirements.
• VIC: Certificate of Electrical Safety (COES). Energy Safe Victoria says the customer gets a copy within 30 days for non-prescribed work (lights, power points, air conditioning), and within 4 days after the inspection for prescribed work (consumer mains, main switchboard, solar), which can't be switched on until a licensed inspector has checked it. See ESV's COES page for consumers.
• QLD: certificate of testing and compliance (installation work) or certificate of testing and safety (work on equipment), given to the customer as soon as possible after the work. Contractors keep a copy for five years.

Practical rule: don't send the invoice before the certificate exists. If the certificate number is on the invoice, the customer has no reason to hold payment while they "wait for the paperwork".

Worked example: an electrician's tax invoice over $1,000

Here's a residential switchboard upgrade from a GST-registered electrician, priced with a 25% markup on $640 of materials. Because the total is $1,000 or more, the ATO requires the buyer's identity (name or ABN) on the tax invoice as well as yours.

Check the maths: materials $480 + $220 + $100 = $800, which is $640 × 1.25. Labour 6.5 × $105 = $682.50. Subtotal $95 + $682.50 + $800 = $1,577.50; GST $157.75; total $1,735.25, and $1,735.25 ÷ 11 = $157.75. Head it "Tax Invoice", put the customer's name and job address under yours, and add your ABN, licence number and bank details. The tax invoice template has these fields in the right order if you'd rather not build the layout yourself.

Should electricians use progress invoices on big jobs?

Yes, on anything that runs for weeks or ties up thousands in materials, such as new-build fit-outs, rewires and commercial jobs. Agree the stages in the quote, then invoice each stage when it's done, so you're never funding the builder's project from your own account.

A common split for a house fit-out quoted at $18,400 + GST:

Each progress invoice should name the stage, show what's been billed so far and what's left, and carry its own number in sequence (see how to number invoices). If you take money up front for a large switchboard or solar order, issue a deposit invoice first. Working for a builder? The guide to invoicing for building work covers progress claims and retentions, and the tradie invoice template handles subcontract invoices with your ABN up front.

Electrician invoice template in Excel or online?

An Excel or Word file works if you send a handful of invoices a month and don't mind keeping track of numbers and payments yourself. Once you're invoicing from the van most days, an online generator is faster and harder to get wrong, because the GST and totals calculate for you.

If you prefer a file, the Word and Excel invoice template guide covers the formulas to check. If you want the layout done for you, the free electrical invoice template for Australia has the call-out, labour and materials lines ready, adds 10% GST and downloads as a PDF. When you outgrow both, our comparison of the best invoicing apps for electricians lays out the paid options.

Common mistakes on electrical invoices

• Lumping parts into labour. "Switchboard upgrade: $1,577.50" invites "why so much?". Itemised lines don't.
• Confusing markup with margin. Pricing for a 25% margin with a 25% markup leaves $53.33 behind on every $640 of materials.
• No certificate reference. The customer chases the certificate instead of paying the invoice.
• Invoicing a fixed-price job by the hour. If the quote said $480 fixed, the invoice says $480, plus any written variations.
• Missing the customer on a large tax invoice. At $1,000 or more, add the buyer's name or ABN.
• No due date. "Due on completion" or "7 days" belongs on the invoice; see invoice payment terms in Australia.

The short version

Itemise call-out, labour and materials; mark up materials on purpose; put your ABN and licence number on every document; reference the certificate; add GST if you're registered; and split long jobs into progress invoices agreed in the quote. Start with the electrician invoice layout and change only your rates.

If quoting, invoicing and chasing is eating your evenings, InvoiceSonic keeps clients and invoices in one place on the free plan. Pro (A$19/month, 7-day trial) adds online quote acceptance, automatic reminders at 7, 14 and 30 days, and overdue tracking.

This article is general information, not legal or tax advice. Licensing and certificate rules differ by state and change over time; check your electrical regulator and the ATO's tax invoice page.

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