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| Year | Emissions | Baseline | Gap | ACCUs | SMCs | Compliance |
|---|---|---|---|---|---|---|
| 24–25 | 524 kt | 478 kt | +46 kt | — | 45,593 | SMC buyer |
Murrin Murrin Operations is a metal ore mining facility operated by MURRIN MURRIN OPERATIONS PTY LTD in WA. Like all covered facilities, iron ore, gold and base metal mining uses significant diesel and electricity. Under Australia's Safeguard Mechanism, Murrin Murrin Operations must keep its annual emissions below a stepping-down baseline — or purchase carbon credits to cover any overage.
In 2023–24, Murrin Murrin Operations reported emissions of 524 kt against a baseline obligation of 478 kt — an overage of 46 kt. The facility covered the overage using 45,593 Safeguard Mechanism Credits (SMCs) — credits generated by other covered facilities that came in under their own baselines.
Across the metal ore mining sector, 8 of 8 covered facilities reported emissions above their baseline in 2023–24. The table below compares Murrin Murrin 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 |