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| Year | Emissions | Baseline | Gap | ACCUs | SMCs | Compliance |
|---|---|---|---|---|---|---|
| 24–25 | 70 kt | 100 kt | -30 kt | — | — | Under baseline |
Collinsville Mine is a coal mining facility operated by NC COAL COMPANY PTY LIMITED in QLD. Like all covered facilities, underground and open-cut coal operations emit methane and energy-related CO₂. Under Australia's Safeguard Mechanism, Collinsville Mine must keep its annual emissions below a stepping-down baseline — or purchase carbon credits to cover any overage.
In 2023–24, Collinsville Mine came in under its baseline — reporting emissions of 70 kt against an obligation of 100 kt, a surplus of 30 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. Collinsville Mine generated 1,899 SMCs in 2023–24.
Across the coal mining sector, 8 of 8 covered facilities reported emissions above their baseline in 2023–24. The table below compares Collinsville Mine with other coal mining facilities covered by the Safeguard Mechanism.
| Facility | Operator | State | Emissions | vs Baseline | Compliance |
|---|---|---|---|---|---|
| Curragh Mine | CORONADO AUSTRALIA HOLDINGS PTY LTD | QLD | 909 kt | +311 kt | Pending |
| United Coal Mine | UNITED COLLIERIES PTY LTD | NSW | 433 kt | +243 kt | ACCU + SMC |
| Goonyella Broadmeadow Mine | BM Alliance Coal Operations Pty Limited | QLD | 1.26 Mt | +242 kt | ACCU buyer |
| DEN01 | Dendrobium Coal Pty Ltd | NSW | 380 kt | +236 kt | ACCU + SMC |
| Russell Vale Colliery | WOLLONGONG RESOURCES PTY. LTD. | NSW | 336 kt | +226 kt | ACCU buyer |
| Hail Creek Mine | HAIL CREEK COAL PTY LTD | QLD | 1.38 Mt | +192 kt | ACCU buyer |
| Ashton Coal Mine (Underground) | ASHTON COAL OPERATIONS PTY LIMITED | NSW | 351 kt | +192 kt | ACCU buyer |
| Kestrel Coal Pty Ltd | Kestrel Coal Group Pty Ltd | QLD | 1.22 Mt | +188 kt | ACCU buyer |