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Tariff Variations

Variation Notices

ATCO Gas Australia Pty Ltd is required to include a mechanism to vary reference tariffs over the course of an access arrangement period in its access arrangement for the Mid-west and South-West Gas Distribution System.

Charging parameter Units Reference Tariff Variation Effective from 1 January 2025
REFERENCE TARIFF A1
Standing charge $/year 45,821.36
Demand charge
  First 10 km $/GJ km 193.14
  Distance > 10 km $/GJ km 101.66
Usage charge
  First 10 km $/GJ km 0.04085
  Distance > 10 km $/GJ km 0.02058
REFERENCE TARIFF A2
Standing charge $/Year 25,340.92
  First 10 TJ per year $/GJ 2.47
  Volume > 10 TJ per year $/GJ 1.31
REFERENCE TARIFF B1
Standing charge $/Year 1,281.85
  First 5 TJ per year $/GJ 4.88
  Volume > 5 TJ per year $/GJ 4.18
REFERENCE TARIFF B2
Standing charge $/Year 321.69
  First 274 MJ per day $/GJ 8.15
  Volume > 274 MJ per day $/GJ 4.86
REFERENCE TARIFF B3
Standing charge $/Year 159.15
Usage charge $/GJ 5.51

 

Date Documents File type
28-Nov-24 2025 Tariff Variation – Mid-West and South-West Gas Distribution Systems
Adobe PDF 80 kB

Description: 2025 Tariff Variation – Mid-West and South-West Gas Distribution Systems
30-Nov-23 2024 Tariff Variation – Mid-West and South-West Gas Distribution Systems
Adobe PDF 654 kB

29-Nov-22 2023 Tariff Variation – Mid-West and South-West Gas Distribution Systems
Adobe PDF 3 MB

12-Nov-21 2022 Tariff Variation - Mid-West and South-West Gas Distribution Systems
Adobe PDF 1,001 kB

10-Dec-20 ATCO revised 2021 tariff variation report
Adobe PDF 5 MB

03-Dec-20 ATCO proposed 2021 tariff variation report
Adobe PDF 4 MB

05-Dec-19 2020 Tariff Variation - Mid-West and South-West Gas Distribution Systems
Adobe PDF 4 MB

30-Nov-18 2019 Tariff Variation - Mid-West and South-West Gas Distribution Systems
Adobe PDF 377 kB

07-Dec-17 ATCO - 2018 Tariff Variation Report
Adobe PDF 77 kB

12-Dec-16 Public Version - GDS - ATCO - AA4 - Tariff Variation Report - 1 January 2017
Adobe PDF 220 kB

Description: Public Version - GDS - ATCO - AA4 - Tariff Variation Report - 1 January 2017
25-Nov-15 Reference Tariff Variation beginning 1 January 2016
Adobe PDF 5 MB

Description: ATCO Reference Tariff Variation beginning 1 January 2016
01-Oct-15 Reference Tariff Variation 2 beginning 1 October 2015
Adobe PDF 3 MB

17-Sep-15 Reference Tariff Variation beginning 1 October 2015 [Superseded by variation notice published 1 Oct 15]
Adobe PDF 3 MB

09-Dec-13 ATCO Gas Australia Pty Ltd – Reference Tariff Variation Beginning 1 January 2014
Adobe PDF 6 MB

06-Dec-13 Decision on Mid-West and South-West Gas Distribution System Reference Tariff Variation Report Beginning 1 January 2014 - Submitted by ATCO Gas Australia Pty Ltd
Adobe PDF 5 MB

07-Jun-13 ATCO Gas Australia Pty Ltd - Reference Tariff Variation Proposal - 1 July 2013 to 30 June 2014
Adobe PDF 3 MB

30-May-12 proposal from ATCO regarding Mid-West and South-West GDS AA
Adobe PDF 6 MB

23-Jun-11 WA Gas Networks Pty Ltd Mid-West and South-West Gas Distribution System revised variation report
Adobe PDF 385 kB

22-Jun-11 Reference Tariff Variation - 1 July 2011 to 30 June 2012
Adobe PDF 345 kB

22-Jun-11 WA Gas Networks Pty Ltd Mid-West and South-West Gas Distribution System Variation report
Adobe PDF 77 kB

27-Nov-09 WA Gas Networks Pty Ltd - Access Arrangement for the Mid-West and South-West Gas Distribution Systems: Reference Haulage Tariffs Effective 1 January 2010
Adobe PDF 492 kB

Description: (Gas Access Division) Third Party Access>Gas - Alinta Gas Distribution Systems>Annual Tariff Variations
02-Dec-08 WA Gas Networks (formerly AlintaGas Networks) Annual Tariff Variation - New Tariffs for 2009
Adobe PDF 792 kB

Description: (Gas Access Division) Third Party Access>Gas - WA Gas Distribution Systems>Annual Tariff Variations
23-Nov-07 AlintaGas Networks Annual Tariff Variation - New Tariffs for 2008
Adobe PDF 2 MB

Description: (Gas Access Division) Third Party Access>Gas - Alinta Gas Distribution Systems>Annual Tariff Variations
14-Dec-06 AlintaGas Networks Annual Tariff Variation - New Tariffs for 2007
Adobe PDF 81 kB

12-Dec-05 Annual Tariff Variation - New Tariffs for 2006
Adobe PDF 84 kB

09-Dec-04 2005 Tariff Variations for the AlintaGas Mid-West and South-West Distribution Systems
Adobe PDF 37 kB

04-Dec-03 Annual Tariff Variation - New Tariffs for 2004
Adobe PDF 21 kB

03-Dec-02 2003 Tariff Variations for Mid-West and South-West Gas Distribution Systems
Adobe PDF 13 kB

06-Dec-01 Annual Tariff Variation - New Tariffs for 2002
Adobe PDF 13 kB

27-Dec-00 Annual Tariff Variation - New Tariffs for 2001
Adobe PDF 13 kB

Page last updated: 28 Nov 2024