2019 Distribution Annual Planning Report
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ergex 2019 DAPR 2017/18-2021/22 Version Control Version Date Description 1.0 24/12/2019 Final Disclaimer Energex Distribution Annual Planning Report (DAPR) is prepared and made available solely for information purposes. While care was taken in the preparation of the information in this report, and it is provided in good faith, Energex accepts no responsibility or liability (including without limitation, liability to any person by reason of negligence or negligent mis- statement) for any loss or damage that may be incurred by any person acting in reliance on this information or assumptions drawn from it, except to the extent that liability under any applicable Queensland or Commonwealth of Australia statute cannot be excluded. It contains assumptions regarding, among other things, economic growth, load forecasts and network capacity which may or may not prove to be correct. The forecasts included in the document involve subjective judgements and analysis which are subject to significant uncertainties and contingencies, many of which are out of the control of Energex. Energex makes no representation or warranty as to the accuracy, reliability, completeness or suitability for any particular purpose of the information in this document. All information should be independently investigated, reviewed, analysed and verified, and must not be relied upon in connection with any investment proposal or decision. All financials presented in this document are correct at the time of writing and represent the existing organisational accounting treatment, which may be subject to change. The information contained in the DAPR is subject to annual review. Energex is obligated to publish future editions by 31st December, in accordance with the National Electricity Rules. Contact Information Further information on Energex’s network management is available on our website: https://www.energex.com.au/about-us/company-information/our-network GPO Box 1461 Brisbane QLD 4001 26 Reddacliff Street Newstead QLD 4006 Telephone 13 12 53 www.energex.com.au Energex Limited ABN 40 078 849 055 © Energex Limited 2017 ® Energex and Energex Positive Energy are registered trademarks of Energex Limited ABN 40 078 849 055 This work is copyright. Material contained in this document may be reproduced for personal, in-house or non-commercial use, without formal permission or charge, provided there is due acknowledgement of Energex Limited as the source. Requests and enquiries concerning reproduction and rights for a purpose other than personal, in-house or non-commercial use, should be addressed to the Group Manager Strategic Customer Interactions, Energex, GPO Box 1461 Brisbane QLD 4001. - i - 2019 DAPR 2019/20-2023/24 Contents 1 Introduction ............................................................................................................ 2 1.1 Foreword ....................................................................................................................... 2 1.2 Our Obligations ............................................................................................................ 3 1.3 Alignment of Report Content ...................................................................................... 3 1.4 Network Overview ........................................................................................................ 3 1.4.1 Peak Demand ................................................................................................... 4 1.5 Changes from Previous Year’s DAPR ....................................................................... 5 1.6 DAPR Enquiries ........................................................................................................... 6 2 Corporate Profile ................................................................................................... 8 2.1 Energex Corporate Overview ..................................................................................... 8 2.1.1 Vision, Purpose and Values .............................................................................. 8 2.2 Energex’s Electricity Distribution Network ............................................................... 9 2.3 Network Operating Environment .............................................................................. 12 2.3.1 Physical Environment ..................................................................................... 12 2.3.2 Economic Activity ............................................................................................ 12 2.3.3 Social and Demographic Change ................................................................... 13 2.3.4 Technological Change .................................................................................... 14 2.3.5 Shareholder and Government Expectations ................................................... 14 2.3.6 Community Safety ........................................................................................... 15 2.3.7 EQL Health, Safety and Environment Integrated Management System ........ 16 2.3.8 Environmental Commitments .......................................................................... 16 2.3.9 Legislative Compliance ................................................................................... 17 2.3.10 Economic Regulatory Environment................................................................. 17 3 Community and Customer Engagement .............................................................19 3.1 Overview ..................................................................................................................... 19 3.2 Our Engagement Program ........................................................................................ 20 3.2.1 Online Engagement ........................................................................................ 20 3.2.2 Customer Council Framework ........................................................................ 20 3.2.3 Community Leader Forums ............................................................................ 21 3.2.4 Our Customer Research Program .................................................................. 21 3.3 What We Have Heard ................................................................................................. 21 3.3.1 Safety First ...................................................................................................... 22 3.3.2 More Affordable Electricity .............................................................................. 22 3.3.3 A Secure Supply – Keeping the Lights On ..................................................... 23 3.3.4 A Sustainable Future ...................................................................................... 24 3.4 Our Customer Commitments .................................................................................... 25 - ii - 2019 DAPR 2019/20-2023/24 4 Asset Management Overview ..............................................................................28 4.1 Best Practice Asset Management ............................................................................ 28 4.2 Asset Management Policy ........................................................................................ 28 4.3 Strategic Asset Management Plan ........................................................................... 28 4.4 Investment Process ................................................................................................... 29 4.4.1 Corporate Governance ................................................................................... 29 4.5 Further Information.................................................................................................... 31 5 Network Forecasting ............................................................................................33 5.1 Forecast Assumptions .............................................................................................. 33 5.1.1 Customer Behaviour ....................................................................................... 33 5.1.2 Solar PV Systems ........................................................................................... 34 5.1.3 Electric Vehicles .............................................................................................. 37 5.1.4 Energy (Battery) Storage ................................................................................ 37 5.1.5 Temperature Sensitive Load ........................................................................... 38 5.1.6 Economic Growth ............................................................................................ 39 5.1.7 Population Growth .......................................................................................... 40 5.2 Electricity Delivered Forecasts ................................................................................ 42 5.2.1 Electricity Delivered versus Electricity Consumed .......................................... 42 5.2.2 Electricity Delivered Forecast Methodology .................................................... 44 5.2.3 Electricity Delivered History and Forecast ...................................................... 45 5.3 Substation and Feeder Maximum Demand Forecasts ........................................... 48 5.3.1 Substation Forecasting Methodology.............................................................. 50 5.3.2 Transmission Feeder Forecasting Methodology ............................................. 51 5.3.3 Sub-transmission Feeder Forecasting