DBNGP (WA) Transmission Pty Limited (DBP) is required to include a mechanism to vary reference tariffs over the course of an access arrangement period in its access arrangement for the Dampier to Bunbury Natural Gas Pipeline (DBNGP).
| 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 |