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What are the changes to inverter product standards?

On August 23 2024, Standards Australia published an update to AS/NZS 4777.2, the standards that cover product requirements for inverters.

AS/NZS 4777.2:2020 Amd 2:2024 can be downloaded for free here and includes key updates to:

  • supply type terminology
  • removal of IEC 62109 requirements for battery only products
  • generation limit control parameters
  • region C set points
  • documentation and marking
  • electric vehicle supply equipment (EVSE) specific clauses

In August, Standards Australia outlined a 12-month transition period for the new amendment with AS/NZS 4777.2:2020 Amd 2:2024 coming into effect on 23 August 2025.


Download the new standards

How the updated standard affects approved product list requirements

The Clean Energy Council maintains a list of inverters that meet Australian standards and is working through implications of the new standards. We have determined that:

  • Inverters that are currently listed will not require re-testing to retain product listing. However, manufacturer will need to demonstrate that their relevant* products comply with AS/NZS 4777.2:2020 Amd 2:2024, by providing a manufacturer declaration and supporting evidence as described below.
  • Applications for inverter listings that meet either AS/NZS 4777.2:2020 or AS/NZS 4777.2:2020 Amd 2:2024 standards will be accepted until 23 August 2025. New categorisation of inverters and Power Conversion Equipment (PCE) and the relevant standards have been added to the HOW TO APPLY section here.
  • From 23 August 2025, the Clean Energy Council will only accept applications that meet AS/NZS 4777.2:2020 Amd 2:2024.

*This requirement does not apply to stand-alone inverters that do not connect to the grid.

AS/NZS 4777.2:2020 Amd 2:2024 Timeline

Manufacturers: provide evidence of updated region settings now

Manufacturers with relevant* inverters on the Clean Energy Council’s approved products list must provide confirmation of compliance with 4777.2:2020 Amd 2:2024 before the updated standard comes into effect on 23 August 2025.

*This requirement does not apply to stand-alone inverters and other power conversion equipment (PCE) that do not connect to the grid.

Confirmation should be supplied by email to products@cleanenergycouncil.org.au with:

  • A manufacturer declaration on your company's letterhead asserting that all relevant models comply with AS/NZS 4777.2:2020 Amd 2:2024 for listed inverters. A template can be found here.
  • Supporting documentation showing the updated region settings for all models included in the declaration, either as a product document such as an installation, a user manual or as a screenshot of a monitoring app for the product. 

Attachments should not exceed 5MB. If greater than 5MB of attachments is required for supporting documentation, please notify the Products Team.

A processing fee of $250 (exc. GST) per listing application will be charged by the Clean Energy Council to process the declaration and review supporting evidence. This charge is for each listing application initially submitted for the models included in the declaration; multiple inverter models can be included on each declaration.

For example, if a manufacturer has submitted six listing applications with the Clean Energy Council for a total of 60 inverter models, they can submit a single declaration for all these models and will be charged a processing fee of $1500 (exc. GST) to update these six original applications.

Any relevant inverter for which a declaration has not been provided by the manufacturer as above, and that has not been verified by the Clean Energy Council, will be removed from the Approved Inverter List on 23 August 2025. Businesses should allow 15 business days for the Clean Energy Council to process their declaration and supporting evidence. We encourage product manufacturers to provide their declaration as soon as possible to minimise processing delays and avoid any impacts to their current listings.

After 23 August 2025, should the Clean Energy Council find evidence that an inverter model is not compliant with 4777.2:2020 Amd 2:2024 where relevant, it may be removed from the Approved Inverter List.


FAQs

  • I’ve supplied my declaration but haven’t heard back?

    Manufacturers should receive an email from the Clean Energy Council confirming receipt of their declaration within 1 to 2 business days, and should expect a correctly completed declaration to be processed within 15 business days. The Clean Energy Council will then confirm that the declaration has been accepted, and the declaration invoice will issued via email. Updates to the relevant models will be finalised upon receipt of payment. 

    If an incomplete declaration or supporting evidence is submitted, the Clean Energy Council will confirm via email what additional information is required. It will then be the responsibility of the manufacturer to supply this information. The declaration will not be accepted until all required details are received.


  • Why is there a $250 (ex. GST) fee per listing application to process the declaration?

    The fee covers the administrative costs of reviewing and updating records to ensure compliance with AS/NZS 4777.2:2020 Amd 2:2024. This fee is charged according to how many listing applications must be reviewed and updated to record that all models within the declaration meet this requirement.

    Any declaration that is received as part of a listing application will not attract an additional processing fee.



  • Can I see which inverters have supplied evidence of region settings on the products list?

    No. The product list will not be updated to show which inverters have supplied evidence of region C settings. On 23 August 2025, any relevant inverter for which a declaration has not been provided as above, and that has not been verified by the Clean Energy Council, will be removed from the list. We expect the vast majority of inverter manufacturers to comply with the streamlined declaration process. 



  • I’m applying to list an inverter. Do I need to provide a manufacturer declaration too?

    Until 23 August 2025, we will accept applications that meet either AS/NZS 4777.2:2020 or AS/NZS 4777.2:2020 Amd 2:2024 standards. Those that apply under AS/NZS 4777.2:2020 will also be required to provide a declaration as above in time for 23 August 2025.

    After 23 August 2025, we will only accept applications that meet the updated AS/NZS 4777.2:2020 Amd 2:2024 standard.  Where certification and testing is not based on the latest amendment, a declaration will be required as part of the application.

    Any declaration that is received as part of a listing application will not attract an additional processing fee.


  • I’m a manufacturer’s agent or importer, can I supply the declaration?

    No. Declarations will only be accepted from the certificate holder’. If you have any questions, please email products@cleanenergycouncil.org.au.


We are here for you

Should you have any questions, please contact us at  products@cleanenergycouncil.org.au.

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