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| Year | Emissions | Baseline | Gap | ACCUs | SMCs | Compliance |
|---|---|---|---|---|---|---|
| 24–25 | 156 kt | 176 kt | -20 kt | — | — | Under baseline |
Duketon South Operations is a metal ore mining facility operated by Regis Resources Limited in WA. Like all covered facilities, iron ore, gold and base metal mining uses significant diesel and electricity. Under Australia's Safeguard Mechanism, Duketon South Operations must keep its annual emissions below a stepping-down baseline — or purchase carbon credits to cover any overage.
In 2023–24, Duketon South Operations came in under its baseline — reporting emissions of 156 kt against an obligation of 176 kt, a surplus of 20 kt. Facilities that come in under baseline can generate Safeguard Mechanism Credits (SMCs), which can be sold to facilities that need to cover an overage. Duketon South Operations generated 20,136 SMCs in 2023–24.
Across the metal ore mining sector, 8 of 8 covered facilities reported emissions above their baseline in 2023–24. The table below compares Duketon South Operations with other metal ore mining facilities covered by the Safeguard Mechanism.
| Facility | Operator | State | Emissions | vs Baseline | Compliance |
|---|---|---|---|---|---|
| Brockman 2 / Nammuldi Mines | Hamersley Iron Pty. Limited | WA | 312 kt | +127 kt | ACCU buyer |
| NMK01 Nickel West Mt Keith Facility | BHP NICKEL WEST PTY LTD | WA | 201 kt | +101 kt | ACCU buyer |
| Brockman 4 Mine | Hamersley Iron Pty. Limited | WA | 236 kt | +94 kt | ACCU buyer |
| Fimiston Operations | KALGOORLIE CONSOLIDATED GOLD MINES PTY LTD | WA | 230 kt | +93 kt | ACCU buyer |
| Mount Isa Mines Copper and Zinc Operations | MOUNT ISA MINES LIMITED | QLD | 410 kt | +82 kt | ACCU buyer |
| Paraburdoo Mine | Hamersley Iron Pty. Limited | WA | 164 kt | +64 kt | ACCU buyer |
| Telfer Gold Mine | Newcrest Mining Limited | WA | 354 kt | +63 kt | ACCU buyer |
| Solomon Mine | FMG SOLOMON PTY LTD | WA | 452 kt | +62 kt | ACCU + SMC |