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Access Arrangement Period 2017-2022

The proposed access arrangement for Western Power's electricity network for the period 2017-2022 was lodged on 2 October 2017.

Public Consultation was undertaken on Western Power’s proposal and an ERA issues paper which closed on 11 December 2017. Public submissions received are published below.

The ERA’s Draft Decision on Western Power’s proposal was published on 2 May 2018. The submission period was extended to 14 June 2018 in response to requests from interested parties for more time. The submission period has now closed.

Western Power’s response to the ERA’s Draft Decision and public submissions received are published below.

Revised Proposed Access Arrangement and Access Arrangement Information

Date  Documents File type
15-Jun-18 Covering letter for the revised proposed Access Arrangement for AA4 Adobe PDF 3.4 MB
15-Jun-18  Revised proposed Access Arrangement Contract and Appendices Adobe PDF 12 MB
15-Jun-18  Access Arrangement Contract – Track Changes Adobe PDF 784 kB
15-Jun-18  Revised Proposed Access Arrangement Information for AA4 Adobe PDF 4.1 MB

Revised Proposed Access Arrangement supporting information

Date  Documents File type
15-Jun-18 Revised - Appendix A - Electricity Transfer Access Contract - Track Changes Adobe PDF 998 kB
15-Jun-18  Revised - Appendix B - Applications and Queuing Policy - Track Changes Adobe PDF 1 MB
15-Jun-18  Revised - Appendix C.1 - Contributions Policy - Track Changes Adobe PDF 1.3 MB
15-Jun-18  Revised - Appendix C.2 - Distribution Low Voltage Connection Scheme - Track Changes Adobe PDF 1 MB
15-Jun-18  Revised - Appendix D - Transfer and Relocation Policy - Track Changes Adobe PDF 1.1 MB
15-Jun-18  Revised - Appendix E - Reference Services Adobe PDF 1 MB
15-Jun-18  Revised - Appendix F.1 - 2017-2018 Price List Adobe PDF 1.2 MB
15-Jun-18  Revised - Appendix F.2 - 2017-2018 Price List Information Adobe PDF 2.19 kB
15-Jun-18  Revised - Appendix F.3 - 2018-2019 Price List Adobe PDF 1.2 MB
15-Jun-18  Revised - Appendix F.4 - 2018-2019 Price List Information Adobe PDF 2.6 MB

Revised Proposed Access Arrangement Information supporting information

Date  Documents File type
15-Jun-18 Revised AAI – Pro forma – Forecast statements Adobe PDF 212 kB
15-Jun-18  Revised AAI – Attachment 1.1 – Document Index Adobe PDF 767 kB
15-Jun-18  Revised AAI – Attachment 3.1 – AA4 Regulatory Revenue Model – Summary Output Adobe PDF 1.6 MB
15-Jun-18  Revised AAI – Attachment 3.2 – AA4 Regulatory Revenue Model – Public Version Microsoft Excel 1.1 MB
15-Jun-18  Revised AAI – Attachment 4.1 – ACIL Allen Consulting Report on Operating Expenditure Methodology Adobe PDF 844 kB
15-Jun-18  Revised AAI – Attachment 4.2 – Synergies Consulting Report with updated Wage Price Index (WPI) forecasts for AA4 regulatory period Adobe PDF 904 kB
15-Jun-18  Revised AAI – Attachment 6.2 – Advanced Metering Infrastructure (AMI) revised information (public) Adobe PDF 538 kB
15-Jun-18  Revised AAI – Attachment 13.1 – ADS Expert Report on methodology for setting the service standard benchmarks and targets Adobe PDF 1.9 MB
15-Jun-18  Revised AAI – Attachment 14.1 – ACIL Allen Consulting Expert Report on Service Standards Adjustment Mechanism Adobe PDF 863 kB

Public Submissions received in response to ERA Draft Decision

Date  Documents File type
21-Jun-18  Power Ledger Pty Ltd Adobe PDF 665 kB
15-Jun-18  ATCO Australia Adobe PDF 16 MB
15-Jun-18  AEMO Adobe PDF 697 kB
15-Jun-18 Australian Energy Council Adobe PDF 422 kB
15-Jun-18  Department of Treasury - Public Utilities Office Adobe PDF 4.1 MB
15-Jun-18 Energy Networks Australia Adobe PDF 99 kB
15-Jun-18 Horizon Power Adobe PDF 456 kB
15-Jun-18 Moore River Company Adobe PDF 2.2 MB
15-Jun-18 Mr Stephen Davidson submission 1 Adobe PDF 1.7 MB
15-Jun-18 Mr Stephen Davidson submission 2 Adobe PDF 1.7 MB
15-Jun-18 Mr Stephen Davidson submission 3 Adobe PDF 1.6 MB
15-Jun-18 Mr Stephen Davidson submission 4 Adobe PDF 1.7 MB
15-Jun-18 Mr Stephen Davidson submission 5 Adobe PDF 1.7 MB
15-Jun-18 Mr Stephen Davidson submission 6 Adobe PDF 1.7 MB
15-Jun-18 Perth Energy Adobe PDF 837 kB
15-Jun-18 Summit Southern Cross Power Holdings Pty Ltd (SSCPH) Adobe PDF 149 kB
15-Jun-18 Synergy Adobe PDF 1 MB
15-Jun-18 Urban Development Institute of Australia Adobe PDF 289 kB
15-Jun-18 Vector Limited Adobe PDF 354 kB
15-Jun-18 WA Local Government Association (WALGA) Adobe PDF 501 kB
15-Jun-18 WA Major Energy Users (WAMEU) – Cover Letter Adobe PDF 27 kB
15-Jun-18 WA Major Energy Users (WAMEU) Adobe PDF 767 kB

ERA Draft Decision

Date  Documents File type
02-May-18 Draft Decision Adobe PDF 5.7 MB
02-May-18  Draft Decision Appendix 4 – Revenue Model Adobe PDF 801 kB
02-May-18  Draft Decision Appendix 5 – Rate of Return Adobe PDF 1.6 MB
04-May-18  Draft Decision Appendix 6 – Consultant Report  Review of Western Power Proposed AA4 Access Arrangement by GHD Advisory  Adobe PDF 5 MB
04-May-18  Draft Decision Appendix 7 – Consultant Report Review of Western Power's Capital Expenditure by Geoff Brown and Associates Adobe PDF 834 kB
02-May-18  Pink Lake Analytics – Estimation of the Market Risk Premium Adobe PDF 574 kB
02-May-18  Western Power letter to ERA – Time of use network tariffs and Tariff Equalisation Contribution  Adobe PDF 1.3 MB

Public submissions received in response to Western Power proposal and ERA Issues paper

Date  Documents File type
22-Dec-17 Mid West Development Commission Adobe PDF 1.8 MB
14-Dec-17 AGL Adobe PDF 630 kB
14-Dec-17 Alinta Energy Adobe PDF 436 kB
14-Dec-17 ATCO Australia Adobe PDF 3.4 MB
14-Dec-17 Australian Energy Council Adobe PDF 372 kB
14-Dec-17 Australian Energy Market Operator Adobe PDF 6 MB
14-Dec-17 Bluewaters Adobe PDF 567 kB
14-Dec-17 Carnegie Clean Energy Adobe PDF 181 kB
14-Dec-17 CdL Advisory Adobe PDF 656 kB
14-Dec-17 CEO, Shire of Northampton Adobe PDF 310 kB
14-Dec-17 Change Energy Adobe PDF 367 kB
14-Dec-17 Community Electricity Adobe PDF 116 kB
14-Dec-17 Emergent Energy Adobe PDF 238 kB
14-Dec-17 Energy Networks Australia Adobe PDF 98 kB
14-Dec-17 Kalbarri Development Association Adobe PDF 982 kB
14-Dec-17 Kleenheat Adobe PDF 2.5 MB
14-Dec-17 Mr Craig, Hosking Adobe PDF 4.5 MB
14-Dec-17 Mr Craig, Hosking - supporting submission Microsoft Excel 439 kB
14-Dec-17 Mr Errol, Haskell Adobe PDF 7 kB
14-Dec-17 Mr John, Laverack Adobe PDF 303 kB
14-Dec-17 Mr Noel, Schubert Adobe PDF 913 kB
14-Dec-17 Ms Peta, Crogan Adobe PDF 324 kB
14-Dec-17 Mr Stephen, Davidson - Submission 1 Adobe PDF 2.8 MB
14-Dec-17 Mr Stephen, Davidson - Submission 2 Adobe PDF 984 kB
14-Dec-17 Mr Stephen, Davidson - Submission 3 Adobe PDF 714 kB
14-Dec-17 Mr Stephen, Davidson - Submission 4 Adobe PDF 547 kB
14-Dec-17 Mr Stephen, Davidson - Submission 5 Adobe PDF 530 kB
14-Dec-17 Mr Stewart, Smith Adobe PDF 317 kB
18-Dec-17 Ms Margaret, Taylor Adobe PDF 5 kB
14-Dec-17 NewGen Neerabup Partnership Adobe PDF 5 MB
14-Dec-17 Newgen Power Kwinana Adobe PDF 361 kB
14-Dec-17 Perth Energy Adobe PDF 860 kB
14-Dec-17 RAC Adobe PDF 165 kB
14-Dec-17 Synergy - Submission 1 - TaRP Adobe PDF 764 kB
14-Dec-17 Synergy - Submission 2 - Standard ETAC Adobe PDF 851 kB
14-Dec-17 Synergy - Submission 3 - AQP Adobe PDF 1 MB
14-Dec-17 Synergy - Submission 4 - Required reference services Adobe PDF 1.3 MB
14-Dec-17 Synergy - Submission 5 - Price Control Adobe PDF 1.6 MB
14-Dec-17 Vector Ltd Adobe PDF 370 kB
14-Dec-17 WACOSS Adobe PDF 493 kB
18-Dec-17 WACOSS addendum Adobe PDF 499 kB
14-Dec-17 WALGA Adobe PDF 594 kB

Issues Paper

Date  Documents File type
14-Nov-17 Issues Paper Adobe PDF 1.7 MB

Proposed Access Arrangement and Access Arrangement Information

Date  Documents File type
06-Oct-17 Submission Letter Adobe PDF 550 kB
06-Oct-17 Access Arrangement and Appendices Adobe PDF 9 MB
06-Oct-17 Proposed revisions to Access Arrangement - Track Changes Adobe PDF 1.6 MB
06-Oct-17 Access Arrangement Information for the AA4 Period Adobe PDF 9 MB

Proposed Access Arrangement supporting information

Date  Documents File type
06-Oct-17 Appendix A - Electricity Transfer Access Contract - Track Changes Adobe PDF 1.4 MB
06-Oct-17 Appendix B - Applications and Queuing Policy - Track Changes Adobe PDF 1.7 MB
06-Oct-17 Appendix C.1 - Contributions Policy - Track Changes Adobe PDF 977 kB
06-Oct-17 Appendix C.2 - Distribution Low Voltage Connection Scheme Unit Rate Methodology - Track Changes Adobe PDF 591 kB
06-Oct-17 Appendix D - Transfer and Relocation Policy - Track Changes Adobe PDF 665 kB
06-Oct-17 Appendix E - Reference Services - Track Changes Adobe PDF 1 MB
06-Oct-17 Appendix F.1 - 2017-2018 Price List Adobe PDF 1 MB
06-Oct-17 Appendix F.2 - 2017-2018 Price List Information Adobe PDF 442 kB
06-Oct-17 Appendix F.3 - 2018-2019 Price List Adobe PDF 1.1 MB
06-Oct-17 Appendix F.4 - 2018-2019 Price List Information
Adobe PDF 2.4 kB

Proposed Access Arrangement information supporting information

Date  Documents File type
02-May-18  Access Arrangement Information - Attachment 7.3.1 – Connections Energy and Demand Forecast Methodology (The ERA received permission from Western Power to publish this document) Adobe PDF 1.4 MB
02-May-18  Access Arrangement Information - Attachment 12.2 – GHD – Applications and Queuing Policy Review Report (The ERA received permission from Western Power to publish this document) Adobe PDF10 MB
06-Oct-17 Access Arrangement Information - Document Index Adobe PDF 327 kB
06-Oct-17 Access Arrangement Information - Attachment 1.3 - 2016-2017 Regulatory Financial Statements Adobe PDF 13 MB
06-Oct-17 Access Arrangement Information - Attachment 4.1 - Customer Insights Report Adobe PDF 12 MB
06-Oct-17 Access Arrangement Information - Attachment 5.1 - AA3 Capital Expenditure Report Adobe PDF 1 MB
06-Oct-17 Access Arrangement Information - Attachment 6.1 - Review of service standards methodology Adobe PDF 2.9 MB
06-Oct-17 Access Arrangement Information - Attachment 6.2 - Fitting Distributions for AA4 Service Standard KPI's - SSB and SST Adobe PDF 1.9 MB
06-Oct-17 Access Arrangement Information - Attachment 6.3 - Study into the feasibility of a microgrid at Kalbarri Adobe PDF 5.3 MB
06-Oct-17 Access Arrangement Information - Attachment 6.4 - Estimation of value of customer reliability for Western Power's Network Adobe PDF 1.4 MB
06-Oct-17 Access Arrangement Information - Attachment 7.1 - Cost and Revenue Allocation Method 2016/17 Adobe PDF 1.6 MB
06-Oct-17 Access Arrangement Information - Attachment 7.3 - Peak demand, energy and customer number forecasts Adobe PDF 534 kB
06-Oct-17 Access Arrangement Information - Attachment 7.3.3 - Energy and Customer Numbers Forecast 2016 Adobe PDF 1.4 MB
06-Oct-17 Access Arrangement Information - Attachment 7.3.5 - Energy and Customer Numbers Forecast 2017 Adobe PDF 1.2 MB
06-Oct-17 Access Arrangement Information - Attachment 7.4 - Wage price index and Consumer price index forecasts Adobe PDF 1.1 MB
06-Oct-17 Access Arrangement Information - Attachment 8.1 - AA4 Forecast Capital Expenditure Adobe PDF 11 MB
06-Oct-17 Access Arrangement Information - Attachment 9.1 - A Constructive Review of the ERA's Approach to the Market Risk Premium Adobe PDF 1.1 MB
06-Oct-17 Access Arrangement Information - Attachment 10.1 - AA4 Regulatory Revenue Model - PDF Summary Adobe PDF 641 kB
06-Oct-17 Access Arrangement Information - Attachment 10.2 - Regulated Asset Base, Tax Asset Base and Depreciation Adobe PDF 1 MB
06-Oct-17 Access Arrangement Information - Attachment 10.3 - Audit of Efficiency and Innovation Benchmark scale escalation drivers for the period 2011/12 to 2016/17 Adobe PDF 417 kB
06-Oct-17 Access Arrangement Information - Attachment 10.7 - Impact of Technical Rules changes on Western Power's expenditure for AA3 Adobe PDF 625 kB
06-Oct-17 Access Arrangement Information - Attachment 10.8 - Transmission Price Path Adobe PDF 790 kB
06-Oct-17 Access Arrangement Information - Attachment 11.1 - AA4 Tariff Reforms Adobe PDF 2.7 MB
06-Oct-17 Access Arrangement Information - Attachment 12.1 - Model ETAC for AA4 Change Summary Adobe PDF 812 kB
06-Oct-17 Access Arrangement Information - Attachment 12.3 - Applications and Queuing Policy Change Summary Adobe PDF 617 kB
06-Oct-17 Access Arrangement Information - Attachment 12.4 - Contributions Policy Change Summary Adobe PDF 746 kB
06-Oct-17 Access Arrangement Information - Attachment 12.5 - Distribution Low Voltage Connection Scheme Change Summary Adobe PDF 525 kB
06-Oct-17 Access Arrangement Information - Attachment 12.6 - Transfer and Relocation Change Summary Adobe PDF 883 kB
06-Oct-17 Access Arrangement Information - Pro Forma Forecast Statements Adobe PDF 716 kB

Additional supporting information

Date  Documents File type
02-May-18  D-Factor Compliance Summary Bremer Bay (redacted) Adobe PDF 315 kB 
02-May-18  D-Factor Compliance Summary Ravensthorpe (redacted) Adobe PDF 322 kB
14-Nov-17 Western Power Public Revenue Model Spreadsheet Microsoft Excel 1.5 MB
08-Nov-17 Western Power Regulatory Financial Statements - Years Ending 30 June 2013, 2014, 2015 and 2016 Adobe PDF 1.3 MB
08-Nov-17 Western Power’s productivity performance – Benchmarking Report – Synergies Economic Consulting Adobe PDF 508 kB
08-Nov-17 Western Power’s productivity performance – Benchmarking Report Input Data Adobe PDF 13.6 MB