The SI methodology is suitable for power stations with capacities over 100 kilowatts and under one megawatt, provided the following conditions are met:
If you are interested in participating but are unsure if you are eligible, please
The agency will use information supplied during accreditation to assess eligibility.
However, you may be contacted for additional information, including:
Nominated persons for accredited solar power stations that receive an invitation to participate in the trial can opt-in to the methodology through the REC Registry.
Follow the steps below to opt-in to the Solar Irradiance methodology.
Once you have completed the steps above, we will assess your application. If approved, your power station will be switched to the methodology during the following month. You will automatically continue in the methodology until you choose to opt out. Power stations can submit an application to opt out at any time. This will be processed at the end of the calendar year. To opt out, please email
Power stations with the power station name and accreditation code.
For more information, visit
Solar Irradiance methodology or
About The Clean Energy Regulator
Carbon Farming Initiative
Carbon Pricing Mechanism
National Greenhouse And Energy Reporting
Renewable Energy Target
Emissions Reduction Fund
Our Systems And Their Resources
Clean Energy Markets
Data and information
Emissions Reduction Assurance Committee
Subscribe to email updates
Information Publication Scheme
Freedom of Information
The Clean Energy Regulator is a Government body responsible for accelerating carbon abatement for Australia.