The Solar Irradiance (SI) methodology is an automated system used to calculate large-scale generation certificate (LGC) entitlement for eligible power stations of over 100 kilowatts and under one megawatt that participate in the Large-scale Renewable Energy Target scheme.
The methodology uses innovative, data driven technology and drastically reduces the administrative burden and LGC processing time for eligible solar power station participants. It is a prime example of Australia’s support for the use of clean energy technologies while driving down of costs and enhancing the nation’s energy security.
Under the methodology, the Clean Energy Regulator (the agency) uses automation to calculate the eligible electricity for participating solar power stations and credit nominated persons’ REC Registry account each month with LGCs.
The REC Registry accounts of participating solar power stations are populated with electricity generation and auxiliary consumption. This, eligible electricity is worked out using the agency’s generic irradiance model entered with each solar power station’s:
Solar power stations are credited with one LGC for each megawatt hour of eligible electricity. Once credited with LGCs, nominated persons are required to pay the LGC registration fee to access their LGC entitlement through the REC Registry.
The methodology provides several benefits to both solar power stations and the agency:
The pilot phase began in January 2021 and will end on 31 December 2021. The pilot phase will help the agency evaluate the methodology against a broad range of real-world solar power stations. Solar power stations participating in the pilot are required to keep meter data throughout the pilot phase. This data will be used to confirm that the Solar Irradiance model is accurately calculating generation data.
Once the pilot phase is complete, the methodology will be available to all eligible accredited solar power stations with capacities over 100 kilowatts and under one megawatt.
The pilot phase is only being offered for accredited power stations that have been pre-qualified by the agency. Eligible solar power stations have been selected and have until November 2021 to join.
For more information about eligibility requirements, visit Solar Irradiance methodology – information for solar power stations.
For more information, please contact us.
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
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.