During 2012, the Clean Energy Regulator approved 1,128 applications to be a registered person.
The registrations covered a range of individuals and companies seeking to create certificates for renewable energy power stations or small-scale systems.
The growth in applications predominately relates to an increase of individuals wanting to create certificates for their small-scale systems.
As at 31 December 2012, the total number of registered person accounts since commencement of the scheme reached 7,058.