Electrification

Victoria’s Gas Hot-Water Replacement Changes: Planning Your Upgrade

Check end-of-life replacement rules, exemptions and electric hot-water options before an old gas system fails.

Luke CoveLightning Energy12 September 2026 · 2 min read
Updated 21 September 2026
Victoria’s Gas Hot-Water Replacement Changes: Planning Your Upgrade

If a Victorian gas hot-water system is ageing, it is sensible to plan its replacement before it fails. The relevant change concerns end-of-life replacement; it is not a direction to immediately remove every working gas appliance.

Why "gas is cheaper" misses the solar you already own

  • A supported daytime schedule may align hot-water heating with solar production.
  • Assess any storage separately against the home’s later demand and available charging energy.

A heat pump transfers heat to the water using electricity. Its suitability depends on hot-water demand, installation conditions and supported operating schedules.

How to plan the swap on your terms

  1. Check the current unit’s age, condition and likely replacement timing.
  2. Assess tank capacity, electrical work, siting, noise and the household tariff.
  3. Discuss supported operating schedules using the household’s hot-water pattern.
  4. Compare installation scope, eligibility and aftercare in writing.

Review the applicable rules alongside the condition of the existing unit and the practical replacement options.

Planning ahead gives you time to compare tank capacity, siting, noise, recovery and aftercare. If solar is installed, ask how a suitable daytime schedule would work for your household.

Bring bills and a photo of the current hot-water installation to discuss the replacement scope and timing.

Haier heat-pump hot-water system
Haier heat-pump hot-water system. Image: Lightning Energy.
Technician fitting an indoor air-conditioning unit
Fitting an indoor air-conditioning unit. Photo from Lightning Energy’s website.
Rooftop solar installation in Officer
Rooftop solar in Officer. Photo: Lightning Energy.

What the current Victorian guidance says

Solar Victoria states that, from 1 March 2027, existing homes must replace gas hot-water systems with an efficient electric alternative, such as a heat pump, as those systems reach end of life. The page directs households to the detailed standards and regulations for how the changes apply.

Check the property’s circumstances and any applicable exemptions before relying on a general summary. Hot-water replacement rules should not be confused with separate requirements for new homes or rental properties.

Give the installer a hot-water demand brief

Record the number of regular users, typical shower times and any unusually high demand. Explain whether the system must recover between morning and evening use and whether people are home during the day. Ask how the proposed model’s capacity and supported schedules meet that pattern in winter as well as summer.

If a temporary hot-water arrangement is offered during an emergency replacement, request its terms and cost separately. Keep the proposed permanent installation and any incentive approval process clear, even when the existing unit has failed.

Contact Lightning Energy to discuss the options for your property and electricity use.

Available times

Ready to talk about your own home?

Book a consultation and we'll map solar, storage, hot water, and the rebates around your bills and your goals.

Loading consultations…