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Regulatory Notices

The ERA publishes notices relating to its activities and decisions. Email subscribers are advised of announcements as soon as they are published. Subscribe to our mailing list.

ERA notices are available chronologically in the table below. You can use the boxes below to filter to a particular industry and type of activity.

List of Notices Date
Notice - Perth Energy Pty Ltd - 2025 performance audit
Notice - 2026/27 price list for the Western Power network - Determination
Notice - Bluewaters Power 1 Pty Ltd - Licence renewal application - Invitation for public submissions
Arc Infrastructure - Depreciated optimised replacement costs and depreciation schedule - Extension of public consultation period
Notice - Framework and approach for Western Power’s sixth access arrangement review - Draft decision
Notice - Arc Infrastructure - Depreciated optimised replacement cost and depreciation schedule - Republished Draft Decision Attachments 1 and 4 and RP Infrastructure report
Notice - Wholesale Electricity Market Procedure Update - Portfolio Assessment - Proposed changes
Notice - Determination of the Frequency Co-optimised Essential System Services Offer Price Ceilings - Consultation on the proposed indexation approach
Notice - BHP Nickel West Pty Ltd - 2025 asset management system review
Notice - ATCO Gas Australia Pty Ltd - Licence amendment application - Invitation for submissions
Notice - Proposed metering documents submitted for Ocean Reef Renewable Energy and Eglinton Village Energy - Consultation
Notice - APA’s Pilbara network ringfencing rules - Invitation for submissions on amendments proposed by APA
Notice - APA (Chichester) Pty Ltd - 2025 performance audit and asset management system review
Notice - APA Transmission (Chichester) Pty Ltd - 2025 performance audit and asset management system review
Notice - APA Transmission (Roy Hill) Pty Ltd - 2025 performance audit and asset management system review
Notice - 2026 gas rate of return instrument review - Publication of submission from Consumer Reference Group
Notice - AER Retail Pty Ltd - 2025 performance audit
Notice - Western Power regulatory test application for Baldivis Zone Substation - Determination
Notice - Origin Energy Retail Ltd - 2025 performance audit
Notice - Synergy - 2025 performance audit and asset management system review
Notice - 2026/27 price list for the Western Power network - Publication of Western Power’s proposed price list
Notice - Water Corporation - 2025 asset management system review
Notice - Arc Infrastructure - Depreciated optimised replacement cost and depreciation schedule - Draft decision
Notice - Western Power’s technical rules - Updated list of exemptions
Notice - Frequency Co-optimised Essential System Services Offer Price Ceilings 2026 - Draft determination
Notice - Western Power’s regulatory test application for Baldivis Zone Substation - Issues paper
Notice - Eglinton Village Energy Pty Ltd - 2025 performance audit and asset management system review
Notice - Hamersley Iron - Licence renewal application - Invitation for submissions
Notice - Benchmark reserve capacity prices 2028/29 - Final determination
Notice - Material Constrained Portfolio determination - 2025 Q4