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Transmission Annual Planning Report 2018 Planning Report

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Transmission Annual Planning Report 2018 Planning Report Transmission Annual Planning Report 2 018 Please direct Transmission Annual Planning Report enquiries to: Kevin Kehl Executive General Manager Strategy and Business Development Division Powerlink Queensland Telephone: (07) 3860 2801 Email: [email protected] Disclaimer: While care is taken in the preparation of the information in this report, and it is provided in good faith, Powerlink Queensland accepts no responsibility or liability for any loss or damage that may be incurred by persons acting in reliance on this information or assumptions drawn from it. Transmission Annual Planning Report 2018 Executive summary __________________________________________________________________________________________________ 7 1. Introduction _________________________________________________________ 15 1.1 Introduction ___________________________________________________________________________________________ 16 1.2 Context of the TAPR _________________________________________________________________________________ 16 1.3 Purpose of the TAPR _________________________________________________________________________________ 17 1.4 Role of Powerlink Queensland _______________________________________________________________________ 17 1.5 Meeting the challenges of a changing external environment _______________________________________ 18 1.6 Overview of approach to asset management ______________________________________________________ 18 1.7 Overview of planning responsibilities and processes _______________________________________________ 19 1.7.1 Planning criteria and processes ______________________________________________________________ 19 1.7.2 Integrated planning of the shared network __________________________________________________ 19 1.7.3 Joint planning __________________________________________________________________________________ 21 1.7.4 Connections __________________________________________________________________________________22 1.7.5 Interconnectors _______________________________________________________________________________22 1.8 Powerlink’s asset planning criteria ___________________________________________________________________22 1.9 Stakeholder engagement _____________________________________________________________________________23 1.9.1 Customer and consumer engagement ______________________________________________________23 1.9.2 Non‑network solutions ______________________________________________________________________25 1.9.3 Focus on continuous improvement _________________________________________________________26 2. Energy and demand projections __________________________________________ 29 2.1 Overview _____________________________________________________________________________________________30 2.2 Customer consultation _______________________________________________________________________________33 2.3 Demand forecast outlook ____________________________________________________________________________34 2.3.1 Future management of maximum demand __________________________________________________34 2.3.2 Demand and energy terminology ___________________________________________________________35 2.3.3 Energy forecast _______________________________________________________________________________37 2.3.4 Summer maximum demand forecast ________________________________________________________39 2.3.5 Winter maximum demand forecast _________________________________________________________40 2.4 Zone forecasts ________________________________________________________________________________________ 43 2.5 Daily and annual load profiles ________________________________________________________________________ 51 3. Joint planning ________________________________________________________ 53 3.1 Introduction ___________________________________________________________________________________________54 3.2 Working groups and regular engagement ___________________________________________________________54 3.2.1 Regular joint planning meetings ______________________________________________________________54 3.3 AEMO national planning – Integrated System Plan (ISP) ___________________________________________55 3.4 Power System Frequency Risk Review (PSFRR) ____________________________________________________55 3.5 Joint planning with TransGrid – QNI upgrade ______________________________________________________56 3.6 Joint planning with ElectraNet – SAET RIT‑T _______________________________________________________56 3.7 Joint planning with Energex and Ergon Energy ______________________________________________________56 3.7.1 Matters requiring joint planning ______________________________________________________________57 3 Contents 4. Asset management overview ____________________________________________ 59 4.1 Introduction ___________________________________________________________________________________________60 4.2 Overview of approach to asset management ______________________________________________________60 4.3 Asset Management Policy ____________________________________________________________________________ 61 4.4 Asset Management Strategy _________________________________________________________________________ 61 4.4.1 Asset life cycle ________________________________________________________________________________62 4.4.2 Asset management cycle _____________________________________________________________________62 4.5 Asset management methodologies __________________________________________________________________64 4.6 Integrated network investment planning ____________________________________________________________64 4.7 Asset management implementation _________________________________________________________________64 4.8 Further information __________________________________________________________________________________65 5. Future network development ___________________________________________ 67 Preface ________________________________________________________________________________________________68 5.1 Introduction ___________________________________________________________________________________________68 5.2 NTNDP alignment ___________________________________________________________________________________69 5.3 Integrated approach to network development _____________________________________________________70 5.4 Forecast capital expenditure _________________________________________________________________________ 71 5.5 Forecast network limitations _________________________________________________________________________ 71 5.5.1 Summary of forecast network limitations within the next five years ______________________72 5.5.2 Summary of forecast network limitations beyond five years _______________________________72 5.6 Consultations _________________________________________________________________________________________72 5.6.1 Current consultations – proposed transmission investments ______________________________73 5.6.2 Future consultations – proposed transmission investments ________________________________ 74 5.6.3 Connection point proposals _________________________________________________________________ 74 5.7 Proposed network developments ___________________________________________________________________ 76 5.7.1 Far North zone _______________________________________________________________________________79 5.7.2 Ross zone _____________________________________________________________________________________85 5.7.3 North zone ___________________________________________________________________________________95 5.7.4 Central West and Gladstone zones _________________________________________________________99 5.7.5 Wide Bay zone _______________________________________________________________________________110 5.7.6 South West zone ___________________________________________________________________________ 112 5.7.7 Surat zone ____________________________________________________________________________________ 115 5.7.8 Bulli zone _____________________________________________________________________________________ 116 5.7.9 Moreton zone ________________________________________________________________________________118 5.7.10 Gold Coast zone ____________________________________________________________________________127 5.7.11 Supply demand balance _____________________________________________________________________131 5.7.12 Existing interconnectors _____________________________________________________________________131 6. Network capability and performance _____________________________________ 133 6.1 Introduction __________________________________________________________________________________________134 6.2 Available generation capacity _______________________________________________________________________135 6.2.1 Existing and committed transmission connected generation ______________________________135 6.2.2 Existing and committed scheduled and semi‑scheduled embedded generation _________138 6.3 Network control facilities __________________________________________________________________________ 140 6.4 Sample winter and summer power flows __________________________________________________________141 4 Transmission Annual Planning Report 2018 6.5 Transfer capability __________________________________________________________________________________ 146 6.5.1 Location of grid sections ___________________________________________________________________ 146 6.5.2 Determining transfer capability ____________________________________________________________
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