On 31 January 2022 Transgrid submitted its revenue proposal for the 2023–28 regulatory period from 1 July 2023 to 30 June 2028.
Revenue proposal
Transgrid - 2023–28 Revenue proposal statutory declaration - 31 January 2022
Transgrid - 2023–28 Key capex and opex assumptions certification - 31 January 2022
Transgrid - 2023–28 Regulatory information notice compliance checklist - 31 January 2022
Transgrid - 2023–28 Revenue proposal letter to AER - 10 February 2022
Confidentiality claims
Regulatory information notice
In addition to the files below Transgrid submitted:
- Transgrid - 2023–28 RIN Workboook 2 MIC - 2018 - 31 January 2022
This file is too large to upload to our website but we can provide it on request. Please email transgrid2023aer [dot] gov [dot] au (transgrid2023[at]aer[dot]gov[dot]au) if you would like a copy of the above file.
Transgrid - 2023–28 RIN Schedule 1 supporting document - 31 January 2022
Transgrid - Statement of compliance with NEL Clause 71YA - 31 January 2022
Transgrid - 2023–28 RIN Workbook 7 indicative bill impacts - 31 January 2022
Models
Transgrid - 2023–28 Capital expenditure sharing scheme model - 31 January 2022
Transgrid - 2023–28 Efficiency benefit sharing scheme model - 31 January 2022
Transgrid - 2023–28 Operating expenditure forecast model - 31 January 2022
Supporting information - Attachments
BIS Oxford Economics - Labour escalation forecasts to 2027–28 - 19 November 2021
CutlerMerz - Transgrid 2023–28 Regulatory proposal augex review - 3 December 2021
Forethought - Transgrid revenue reset stakeholder engagement - Executive report - 15 December 2021
GHD - Climate change and extreme weather event resilience - 3 September 2021
HoustonKemp - Assessment of Transgrid's benchmarking performance - 6 December 2021
HoustonKemp - Efficiency of Transgrid's base year operating expenditure - 13 December 2021
Transgrid - STPIS service component probability distribution fitting - 11 November 2021
Supporting information - Asset management strategies
Transgrid - Automation renewal and maintenance strategy - 30 November 2021
Transgrid - Electricity network safety management system (ENSMS) description - 12 May 2020
Transgrid - Infrastructure systems renewal and maintenance strategy - 1 December 2021
Transgrid - ISO55001 asset management accreditation - 16 November 2020
Transgrid - Market metering renewal and maintenance strategy - 30 November 2021
Transgrid - Motor vehicle and mobile plant renewal and maintenance strategy - 8 May 2017
Transgrid - Network asset risk assessment methodology - 16 November 2021
Transgrid - Network property renewal and maintenance strategy - 30 November 2021
Transgrid - Non-network property renewal and maintenance strategy - 8 December 2021
Transgrid - Prescribed network capital investment process - 30 June 2020
Transgrid - Substations renewal and maintenance strategy - 30 November 2021
Transgrid - Telecommunication systems renewal and maintenance strategy - 30 November 2021
Transgrid - Transmission line renewal and maintenance strategy - 1 December 2021
Transgrid - Underground cables renewal and maintenance strategy - 30 November 2021
Supporting information - Business cases (Augex)
Transgrid - OER-1316 Rev 6 maintain voltage in Beryl area - 24 December 2021
Transgrid - OER-1440 Rev 6 replacement of cables 9SA and 92P - 6 August 2021
Transgrid - OER-1443 Rev 7 supply to Strathnairn area - 1 November 2021
Transgrid - OER-2145 Rev 4 southern NSW improve voltage control - 23 December 2021
Transgrid - OER-2162 Rev 3 increase capacity for generation in Molong to Parkes area - 23 December 2021
Transgrid - OER-N2205 Rev 1 network access via Wagga North SS - 18 October 2021
Transgrid - OER-N2208 Rev 2 increase busbar capacity at Wagga substation - 24 December 2021
Transgrid - OER-N2360 Rev 5 supply to vineyard BSP - 24 December 2021
Transgrid - OER-N2371 Rev 2 supply to Sydney West BSP - 20 December 2021
Transgrid - OER-N2584 Rev 4 maintain voltage in greater Sydney area - 23 December 2021
Transgrid - OER-N2645 Rev 2 maintain voltage in Alpine area - 24 December 2021
Transgrid - OER-N2649 Rev 3 voltage control light load conditions - 24 December 2021
Transgrid - OER-1473 Rev 4 north west NSW protection system - 14 January 2022
Transgrid - OER-2137 Rev 2 strategic property acquisition western Sydney priority growth area - 23 December 2021
Transgrid - OER-1698 Rev 2 supply to far west NSW network - 27 September 2021
Transgrid - OER-1687 Rev 4 supply to west Sydney priority growth area - 24 December 2021
Transgrid - OER-1522 Rev 4 Sydney west area protection system - 14 January 2022
Transgrid - OER-1491 Rev 4 Sydney north west area protection system - 14 January 2022
Supporting information - Business cases (NCIPAP)
Transgrid - OER-N2176 Rev 2 uprating DNT 330-132kV transformers - 28 September 2021
Transgrid - OER-N2470 Rev 1 increase capacity of 94T DLR - 11 October 2021
Transgrid - OER-N2471 Rev 1 increase capacity in Yass transformers - 28 September 2021
Transgrid - OER-N2575 Rev 2 relieve X5 voltage stability constraints - 10 November 2021
Transgrid - OER-N2631 Rev 1 Darlington Point 220 kV transfer tripping scheme - 9 November 2021
Transgrid - OER-N2655 Rev 0 maintain capacity during climate change - 9 November 2021
Supporting information - Business cases (Non-network ICT)
Supporting information - Business cases (Non-network property)
In addition to the files below, Transgrid submitted:
- Nutbrook - Wallgrove Depot Building Condition Review and Capex Plan - 8 December 2020
- Nutbrook - Waratah West Depot Building Condition Review and Capex Plan - 8 December 2020
This file is too large to upload to our website but we can provide it on request. Please email transgrid2023aer [dot] gov [dot] au (transgrid2023[at]aer[dot]gov[dot]au) if you would like a copy of the above file.
Aptness - Transgrid Revenue Reset Analysis Peer Review - 30 July 2021
Aptness - Transgrid Revenue Reset Nutbrook Disclaimer Review - 14 September 2021
Nutbrook - Orange Depot Building Condition Review and Capex Plan - 4 December 2020
Nutbrook - Tamworth Depot Building Condition Review and Capex Plan - 7 December 2020
Nutbrook - Ultimo Building Condition Review and Capex Plan - 8 December 2020
Nutbrook - Wagga Wagga Depot Building Condition Review and Capex Plan - 11 December 2020
Nutbrook - Yass Depot Building Condition Review and Capex Plan - 10 December 2020
Supporting information - Business cases (Repex)
Transgrid - OER-1164 Rev 0 Asbestos Paint on Towers in Various Loc - 1 November 2021
Transgrid - OER-1194 Rev 0 Tenterfield Secondary Systems Renewal - 26 October 2021
Transgrid - OER-1271 Rev 1 Line 12 Livrpool Sydney Sth Refurb - 13 November 2021
Transgrid - OER-1272 Rev 1 Line 13 Kemps Ck Sydney Sth Refurb - 8 October 2021
Transgrid - OER-1353 Rev 1 Line 16 Marulan Avon Tower Refurb - 14 November 2021
Transgrid - OER-1408 Rev 1 Line 23 Vales Pt Munmorah Refurb - 14 November 2021
Transgrid - OER-1600 Rev 1 Line 11 Sydney Sth Dapto Twr Repl - 15 November 2021
Transgrid - OER-N2020 Rev 0 FY24-28 Operation Comms Renewal - 9 November 2021
Transgrid - OER-N2212 Rev 0 FY24-28 SE1 Secondary Systems Renewal - 26 October 2021
Transgrid - OER-N2213 Rev 0 FY24-28 BER Secondary Systems Renewal - 26 October 2021
Transgrid - OER-N2214 Rev 0 FY24-28 ER0 Secondary Systems Renewal - 27 October 2021
Transgrid - OER-N2242 Rev 0 FY24-28 Prot Line Renewal - 7 October 2021
Transgrid - OER-N2243 Rev 0 FY24-28 Prot Transformer Renewal - 20 October 2021
Transgrid - OER-N2244 Rev 0 FY24-28 Prot Reactor Renewal - 19 October 2021
Transgrid - OER-N2245 Rev 0 FY24-28 Prot Capacitor Renewal - 13 October 2021
Transgrid - OER-N2246 Rev 0 FY24-28 Prot Busbar Renewal - 26 October 2021
Transgrid - OER-N2290 Rev 2 Fit OLCM to OIP Bushings - 12 November 2021
Transgrid - OER-N2345 Rev 3 FY24-28 Circuit Breaker Renewal Program - 10 November 2021
Transgrid - OER-N2347 Rev 1 FY24-28 CT Renewal Program - 10 November 2021
Transgrid - OER-N2348 Rev 4 FY24-28 VT Renewal Program - 12 November 2021
Transgrid - OER-N2349 Rev 3 FY24-28 Disconnector Renewal Program - 12 November 2021
Transgrid - OER-N2404 Rev 0 FY24-28 INV Transformer Refurb Program - 8 November 2021
Transgrid - OER-N2404 Rev 1 FY24-28 MUR Transformer Refurb Program - 8 November 2021
Transgrid - OER-N2404 Rev 2 FY24-28 PMA Transformer Refurb Program - 14 November 2021
Transgrid - OER-N2404 Rev 2 FY24-28 RGV Transformer Refurb Program - 14 November 2021
Transgrid - OER-N2405 Rev 0 FY24-28 LT1 Secondary Systems Renewal - 9 November 2021
Transgrid - OER-N2409 Rev 0 FY24-28 KS2 Secondary Systems Renewal - 27 October 2021
Transgrid - OER-N2410 Rev 0 FY24-28 FNY Secondary Systems Renewal - 26 October 2021
Transgrid - OER-N2411 Rev 0 FY24-28 WL1 Secondary Systems Renewal - 27 October 2021
Transgrid - OER-N2412 Rev 0 FY24-28 Prot UFLS Renewal - 19 October 2021
Transgrid - OER-N2419 Rev 0 FY24-28 PMA Secondary Systems Renewal - 28 October 2021
Transgrid - OER-N2421 Rev 1 Molong No1 Transformer Renewal - 8 November 2021
Transgrid - OER-N2422 Rev 1 Tamworth Transformer Renewals - 8 November 2021
Transgrid - OER-N2423 Rev 2 Yass No3 Transformer Renewal - 14 November 2021
Transgrid - OER-N2424 Rev 0 Tenterfield Transformer Renewals - 10 November 2021
Transgrid - OER-N2425 Rev 0 TL Public Safety Compliance - 1 November 2021
Transgrid - OER-N2426 Rev 0 FY24-28 WW1 Secondary Systems Renewal - 28 October 2021
Transgrid - OER-N2427 Rev 0 FY24-28 RGV Secondary Systems Renewal - 27 October 2021
Transgrid - OER-N2428 Rev 0 FY24-28 CW2 Secondary Systems Renewal - 2 November 2021
Transgrid - OER-N2429 Rev 0 FY24-28 VP1 Secondary Systems Renewal - 27 October 2021
Transgrid - OER-N2430 Rev 0 FY24-28 FB2 Secondary Systems Renewal - 2 November 2021
Transgrid - OER-N2431 Rev 0 FY24-28 NAM Secondary Systems Renewal - 27 October 2021
Transgrid - OER-N2432 Rev 0 FY24-28 GN2 Secondary Systems Renewal - 27 October 2021
Transgrid - OER-N2433 Rev 0 FY24-28 TOM Secondary Systems Renewal - 27 October 2021
Transgrid - OER-N2434 Rev 0 FY24-28 LSM Secondary Systems Renewal - 27 October 2021
Transgrid - OER-N2435 Rev 0 FY24-28 NB2 Secondary Systems Renewal - 28 October 2021
Transgrid - OER-N2436 Rev 0 FY24-28 INV Secondary Systems Renewal - 28 October 2021
Transgrid - OER-N2441 Rev 0 FY24-28 Multiplexer Renewal Program - 1 November 2021
Transgrid - OER-N2442 Rev 0 FY24-28 Microwave Renewal Program - 14 October 2021
Transgrid - OER-N2443 Rev 0 FY24-28 NEW Secondary Systems Renewal - 9 November 2021
Transgrid - OER-N2444 Rev 0 FY24-28 KCR Secondary Systems Renewal - 9 November 2021
Transgrid - OER-N2446 Rev 0 FY24-28 BRG Secondary Systems Renewal - 2 November 2021
Transgrid - OER-N2447 Rev 0 FY24-28 MPP Secondary Systems Renewal - 2 November 2021
Transgrid - OER-N2449 Rev 0 FY24-28 Prot Temporary Recall Renewal - 9 November 2021
Transgrid - OER-N2453 Rev 0 FY24-28 Comms Alarm System Renewals - 4 November 2021
Transgrid - OER-N2473 Rev 3 FY24-28 Replace capacitors end of life - 14 November 2021
Transgrid - OER-N2482 Rev 0 FY24-28 Fire Systems (Electronic) Renewal - 11 October 2021
Transgrid - OER-N2485 Rev 1 FY24-28 Steelwork Remediation Program - 10 November 2021
Transgrid - OER-N2488 Rev 0 Underground Cable Capital Spares - 4 November 2021
Transgrid - OER-N2490 Rev 0 Cable Monitoring Systems Renewal - 8 November 2021
Transgrid - OER-N2536 Rev 0 FY24-28 Physical Security Renewals - 29 September 2021
Transgrid - OER-N2546 Rev 0 FY24-28 Fire Extinguisher Renewal - 12 October 2021
Transgrid - OER-N2551 Rev 0 FY24-28 Critical Infrastructure Uplift OT Environment - 11 November 2021
Transgrid - OER-N2553 Rev 0 FY24-28 Building Refurbishment - 29 September 2021
Transgrid - OER-N2555 Rev 0 FY24-28 DI Capital Spares - 14 October 2021
Transgrid - OER-N2562 Rev 0 FY24-28 Palisade Renewal - 11 November 2021
Transgrid - OER-N2595 Rev 0 Various Lines Conductor Condition - 6 November 2021
Transgrid - OER-N2601 Rev 3 Transformer Compound Wall Renewal -13 November 2021
Transgrid - OER-N2617 Rev 5 Substation Capital Spares - 13 November 2021
Issues paper
On 28 March 2022, we published an issues paper to assist stakeholders in their consideration of Transgrid's 2023–28 revenue proposal.
AER - Issues Paper - Transgrid 2023-28 transmission revenue proposal - March 2022
Stakeholder forum
On 4 April 2022, the AER hosted an online public forum to allow stakeholders the opportunity to ask questions about Transgrid's 2023-28 revenue proposal before submissions close on 11 May 2022. Presentations were delivered by the AER, the AER's Consumer Challenge Panel 25, the Transgrid Advisory Committee, and Transgrid. The presentation slides are available below.
Transgrid Advisory Council (TAC) - Presentation to public forum - April 2022
Submissions
We invited interested stakeholders to make a submission on Transgrid's 2023–28 revenue proposal and our issues paper by 11 May 2022. We received four submissions.