STCs and LGCs

Large & Small Scale Renewable Energy Targets

The Federal government of Australia has defined a target of 33000 Gigawatts as per the policy for renewable energy. This accounts for 23.5% of Australia’s total electricity generation.

This target of renewable energy includes both the Large Scale Renewable Energy Target (LRET) and Small Scale Renewable Energy Scheme (SRES).


  • STCs are termed as Small Scale Technology Certificates.
  • STCs are eligible for small scale renewable energy installations under 100 kilowatt.
  • STCs are generated by a small scale solar panel, wind or hydro system over one or five years, or a single maximum deeming period.
  • 1 STC is equal to 1 megawatt-hour of eligible renewable electricity either generated or displaced by the system


  • LGCs are termed as Large Scale Generation Certificates.
  • LGCs are eligible for large-scale renewable energy installation above 100 kilowatts.
  • 1 LGC can be created for each megawatt-hour of eligible renewable electricity produced by an accredited renewable power station.
  • LGCs can be sold to Electricity retailers who surrender them annually to the Clean Energy Regulator.
  • LGCs are issued and produced on an ongoing basis.
  • LGCs acts as currency for renewable energy and prices fluctuate with supply and demand.

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