The Economic Regulation Authority (ERA) is independent of direction or control by the State or any Minister or officer of the State in performing its functions. However, under sections 28(2) and 28(3) of the Economic Regulation Authority Act 2003, the relevant Minister may give directions in writing to the ERA on administration and financial administration matters.

In this context, the relevant Minister is the Hon Christian Porter BA(Hons) BEc LLB(UWA) MSc(Dist) LSE MLA; Treasurer; Attorney General of Western Australia.

Current Inquiries

• Efficient Costs and Tariffs of the Water Corporation, Aqwest and the Busselton Water Board
• Efficiency of Synergy's Costs and Electricity Tariffs

Inquiries Archive

• Benefits and Costs Associated with the Provision of Shared Corporate Services within the Public Sector (Final Report in June 2011)
• Funding Arrangements of Horizon Power (Final Report in March 2011)
• Costs and Benefits of the State Underground Power Program (Final Report in September 2011)
• Water Resource Management and Planning Charges (Final Report in February 2011)
• Chicken Meat Industry Act 1977 (Final Report in 2010)
• Tariffs of the Water Corporation, AQWEST and Busselton Water Board 2008/09 (Final Report in 2009)
• Pricing of Recycled Water in Western Australia (Final Report in 2009)
• Review of the Grain Marketing Act 2002 (Final Report in 2008)
• Developer Contributions to the Water Corporation - 2008
• Competition in the Water and Wastewater Services Sector - 2008
• Bunbury and Busselton Water Boards' Tariffs - 2008
• Water Corporation's Tariffs - 2008
• School Bus Operators' Charter Bus Operations - 2007
• Water Corporation's Tariffs - 2007
• Harvey Water Bulk Water Pricing - 2007
• Country Water and Wastewater Pricing in Western Australia - 2006
• Cost of Supplying Bulk Potable Water to Kalgoorlie-Boulder - 2005
• Water and Wastewater Pricing of the Water Corporation and the Water Pricing of the Bunbury and Busselton Water Boards - 2005