The objective of this audit was to form an opinion on the adequacy of, and to identify best practice in, Commonwealth agencies' electricity procurement systems and procedures. In doing so, the ANAO also formed an opinion on the level and results of participation by Commonwealth agencies in the National Electricity Market. The audit concentrated on adherence by agencies to the principles of the Commonwealth Procurement Guidelines: Core Policies and Principles (March 1998), emphasising the importance of Commonwealth agencies achieving value-for-money (VFM) in their purchasing. VFM is one of the six principles on which the Guidelines are based.