Since being published in 2001, the Energy Technology List (ETL) has been updated every year as part of the Government’s Budget cycle. The update can include the introduction of new technologies to the list and amendments existing criteria for technologies already on the list.The changes to the ETCL for 2011 were:The introduction of one new technology area:
and some notable 'housekeeping' modifications to 8 other technology categories:
The ETL was published in July 2011 and came into effect on 1 October 2011.