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Installer business, licensing, insurance and tooling

What should a solar installer contract and quote template include?

Short answer

A solar contract should state the parties, scope, products, price, STC treatment, payment schedule, timeline, warranty, variations, cancellation rights and who owns what. Use a template as a starting point and get a solicitor to review it for your state and consumer law.

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

Three searches here describe three versions of one job: a contract template, a terms and conditions template and a quote template. They belong in one document pack, so we treat them together.

Quote template

A good quote answers the customer’s real questions in plain language.

  • Customer and site details, and the date and validity period
  • System size, panel and inverter model, battery model if any
  • Total price, with GST shown
  • The STC discount shown as a separate line, with the basis: the installation date, postcode zone and deeming period. See how to present the STC discount and what the discount means.
  • Inclusions and exclusions: switchboard upgrade, metering, roof penetrations, scaffold
  • Estimated install timeline
  • Warranty details, with whose warranty it is

Contract and terms and conditions

The contract is where you protect both sides. Typical sections:

  1. Parties and licences. Business name, ABN, electrical licence and SAA accreditation.
  2. Scope and specification. What is being installed and where.
  3. Price and payment schedule. Deposit, progress and final payments. State rules may cap deposits.
  4. STC clause. Who assigns the STCs, what happens if the rate or eligibility changes, and what happens if a claim fails; see the STC clause and refund clause.
  5. Timeline and delays. Weather, approvals and network connection delays.
  6. Variations. How changes are priced and agreed.
  7. Warranty and defects. See warranty insurance.
  8. Cancellation and cooling-off. Required for many consumer sales; see cooling off.
  9. Complaints and dispute process.

The STC assignment form is separate

The customer also signs an STC assignment form that gives you, or your chosen agent, the right to the certificates. It is a separate document with specific content; see the STC assignment form guide and the solar form requirements.

Keep it readable

Consumer law can void unfair terms in standard-form contracts, and long, one-sided terms make disputes worse. Plain language protects you.

From the desk: do not copy another installer’s contract word for word. It may carry their state’s rules, their discount structure and a clause that does not match how you actually operate.

What this means for installers

Build the pack once: quote, contract, terms, assignment form and photo checklist. Then automate it in your quoting tool; see quote and proposal software. This page is general information, not legal advice, so have a solicitor review your final documents. Once jobs are installed, start trading and see the installers hub.

Follow-up questions

People also ask

Where can I get a solar installer contract template?
Solicitors, industry bodies and some quoting platforms provide templates. Treat any template as a starting point and have a solicitor check it for your state.
What is the difference between a quote and a contract?
A quote is an offer with a price and scope. A contract is the binding agreement once the customer accepts. Many installers combine them, but cooling-off and consumer law apply to the signed agreement.
Do I need separate terms and conditions?
Usually the terms form part of the contract. Keep them short enough that the customer can read them, because unfair terms in consumer contracts can be void.

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