Is plug-in solar legal in WA?
Not yet.
WA plans to let you plug a small solar kit into a normal power point, and it would be the first Australian state to do it. The draft rules came out on 28 October 2026. Here is what they say, what it could save you, and how long it may take.
Independent. The WA rules here come straight from the government's own documents, and every guide lists its sources.
Where plug-in solar is up to
Five steps stand between the announcement and a legal kit on your balcony. WA is on step two.
- 27 to 28 Oct 2026Plan announced
WA says it intends to legalise plug-in solar and batteries.
- Closes 9 Dec 2026Public consultation
Draft standard out for feedback.
- By Feb 2027Final standard
Version 2 of the standard and the certification route.
- Date not setLaw change
Regulatory changes make plug-in systems legal.
- Date not setApproved kits on sale
Kits tested, registered and RCM marked.
The draft rules, read off the plate
Inverters carry a rating plate that says what they can do. This is the plate for a plug-in system under WA's draft standard.
- Built for renters and apartmentsThe kit plugs in and moves house with you.
- Not for homes with rooftop solarThe draft rules it out at any site with a fixed system.
- Savings, not export paymentsYou save by using your own power. Nothing is paid for power sent to the grid.
- Inverter output
- 800 VA max
- Solar panels
- 2 kW max (DC)
- Battery
- Allowed, no size cap. LFP or sodium-ion
- Plug
- Australian 3-pin, into a wall socket
- Per household
- One system
- With rooftop solar
- Not allowed
- Electrician
- Not needed to plug in
- Paperwork
- Notify Western Power or Horizon Power
- Export payments
- None for now
Draft rules, October 2026. They may change before they become law.
Start with your situation
The questions people ask most, answered straight.
What it could save
Solar only, average Perth home, north-facing
With a battery, same home
Those are the WA Government's own estimates. Your number depends on which way your balcony faces, how much shade it gets and how much power you use while the sun is up.
Work out your paybackEvery guide
Written from the draft standard, the consultation paper and the government's FAQ, and updated as the rules change.
Rules and safety
What the draft WA standard allows, and how it keeps you safe.
Costs and savings
What it could save, what kits cost, and how it compares with rooftop solar.
Your home
Renters, apartments, strata and regional WA.
The bigger picture
Dates, the consultation, and what happened in Germany and the UK.
Listings: kits, shops and electricians
As soon as kits are approved for WA, they go here, with the shops that sell them and the electricians who check your wiring.
How this guide works
From the source
Rules and dates come from the draft standard, the consultation paper and the government FAQ. Each page lists its sources.
Independent
Not run by the government, Synergy, Western Power or a solar company. No page on this site is sponsored.
Kept current
Every page shows when it was last checked, and is updated when the government publishes anything new.