1998 – National Electricity Market is established

2005 – AEMC is established and assumes responsibility for rule making and market development for the operation of the electricity wholesale market and transmission regulation.

2008 – AEMC’s role expands to economic regulation of:

  • electricity distribution network services
  • gas transmission and distribution services
  • natural gas pipeline access.

2009 – AEMC’s role expands to:

  • gas retail functions
  • Victoria’s declared wholesale market.

2010 – Western Australia joins national gas regulatory scheme.

2012 - AEMC assumes responsibility for the National Energy Retail Rules under the Ministerial Council on Energy’s National Energy Customer Framework package of reforms.