The access arrangement for the Dampier to Bunbury Natural Gas Pipeline includes a mechanism to adjust reference tariffs during the access arrangement period.
Current reference tariffs are set out in the table below. Historic reference tariffs are set out in the Variation Notices as published by the ERA.
Note: When a revised access arrangement is approved for a new access arrangement period, the reference tariffs for the first year of the new access arrangement period are determined as part of the ERA’s decision making process and are published in the approved access arrangement.
Reference Tariffs (effective 1 January 2026)
| Reference Tariff Variation Effective From 1 January 2026 | Capacity Reservation Tariff | Commodity Tariff | Total Reference Tariff |
|---|---|---|---|
| Full Haul T1 Reference Tariff ($/GJ/day) | 1.677725 | 0.141103 | 1.818828 |
| Part Haul P1 Reference Tariff ($/GJ/day/km) | 0.001199 | 0.000101 | 0.001300 |
| Back Haul B1 Reference Tariff ($/GJ/day/km) | 0.001199 | 0.000101 | 0.001300 |