AS/NZS 4777.2 in Plain English: What It Means for Plug-In Solar
The Australian inverter standard that governs every grid-tied installation. Here's what it says and where portable kits fit.
AS/NZS 4777.2 is the Australian/New Zealand standard for grid-connected inverters. It sets the technical requirements every inverter must meet before the Clean Energy Council (CEC) will approve it for grid-tied installation in Australia. Understanding what it does and doesn't cover is essential for anyone shopping for plug-in solar down under.
What AS/NZS 4777.2 requires
The 2020 revision (currently enforced) requires:
- Anti-islanding — the inverter must disconnect from the grid within 2 seconds of grid loss
- Volt-VAR / Volt-Watt — dynamic power/reactive-power support based on grid voltage
- Frequency response — controlled ramp during frequency deviations
- Communication readiness — DRM (Demand Response Mode) capability for future flexible-services participation
Every inverter used for grid-tied residential solar in AU must be tested to this standard AND CEC-listed. No exceptions in mainstream utility interconnection paths.
Where plug-in solar sits
Plug-in kits with inverters that plug into a domestic power point technically fall outside standard AS/NZS 4777 interconnection scope — because they don't "install" through the traditional switchboard route with a licensed electrician's sign-off. There is no mainstream Australian equivalent to the UK's SI 2026/848 that formally legalises plug-in solar.
The practical outcome: grid-tied plug-in kits are widely available for import (Amazon AU, eBay, specialist retailers), but they lack the CEC-approved status needed for feed-in tariffs, formal interconnection or DNSP notification. Owners use them anyway, treating them like an appliance.
For details on legal off-grid alternatives see off-grid solar for remote AU properties.
The off-grid route is genuinely legal
Portable solar setups that don't backfeed the grid — panels feeding an EcoFlow, Anker or Jackery battery — don't require AS/NZS 4777 compliance at all. The battery's inverter is a UPS-class device serving isolated loads. This is why the AU market is heavily skewed toward portable/off-grid rather than grid-tied plug-in.
- plug in solar kit — current AU inventory
- LiFePO4 batteries, CEC-recognised panels, MC4 hardware
- Fast AU warehouse shipping via Amazon Prime
See how much plug-in solar could save you — with real data for your postcode.