Australian Energy Market Operator

The Australian Energy Market Operator (AEMO) performs an array of gas and electricity market, operational, development and planning functions. It manages the National Electricity Market (NEM), the Wholesale Electricity Market (WA) (WEM) and the Victorian gas transmission network. AEMO also facilitates electricity and gas full retail contestability, overseeing these retail markets in eastern and southern Australia. It is additionally responsible for national transmission planning for electricity and the establishment of a Short Term Trading Market (STTM) for gas. It commenced operations on 1 July 2009, superseding several state-based and cross-state organisations including the National Electricity Market Management Company Limited (NEMMCO), the Victorian Energy Networks Corporation (VENCorp) which was responsible for the efficient operation of gas and electricity industries in Victoria, the Electricity Supply Industry Planning Council (ESIPC) which was responsible for the effective operation of the electricity industry in South Australia, the South Australian operations of Retail Energy Market Company (REMCo)), Gas Market Company (GMC) and Gas Retail Market Operator (GRMO).