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Access Arrangement Period 2017-2022

Open for public comment

Submissions should be made online at
www.erawa.com.au/consultation
Submissions close 4:00pm (WST),
Monday, 11 December 2017

On 2 October 2017 Western Power lodged its proposed access arrangement for Western Power's electricity network in the South West Network for the period 2017-2022.

Access arrangements detail the terms and conditions, including prices, which apply to third parties seeking the use of regulated electricity networks.

The ERA extended the time for submissions from 20 November to 11 December to allow interested parties to properly consider all matters, and respond to the information provided by Western Power in its submission to the ERA.

Issues Paper

The ERA's issues paper is intended to help inform interested parties about Western Power’s proposed revisions, the review process, and some of the key issues to be addressed by the ERA in making a determination on the revisions. 

The issues paper is not an exhaustive review of the content of the proposed access arrangement, or the matters that the ERA will address in making its determination. 

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
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
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