a report on energy efficiency courses suggests that there is a wide range of courses nationally relating specifically to energy efficiency and others that include some components of energy efficiency the report estimated there are national training package qualifications which included some components of energy efficiency as well as state accredited vet courses and courses run by industries in nsw more than of all students enrolled in tafe nsw were participating in green skills training well above the target for the system needs to be flexible to respond to the rapidly changing regulatory and market environment