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| Year | Emissions | Baseline | Gap | ACCUs | SMCs | Compliance |
|---|---|---|---|---|---|---|
| 24–25 | 108 kt | 100 kt | +8 kt | — | 7,642 | SMC buyer |
Western Port Works is a steel manufacturing facility operated by BlueScope Steel Limited in VIC. Like all covered facilities, steelmaking from iron ore releases large quantities of CO₂ through the coking coal process. Under Australia's Safeguard Mechanism, Western Port Works must keep its annual emissions below a stepping-down baseline — or purchase carbon credits to cover any overage.
In 2023–24, Western Port Works reported emissions of 108 kt against a baseline obligation of 100 kt — an overage of 8 kt. The facility covered the overage using 7,642 Safeguard Mechanism Credits (SMCs) — credits generated by other covered facilities that came in under their own baselines.
Across the steel manufacturing sector, 3 of 5 covered facilities reported emissions above their baseline in 2023–24. The table below compares Western Port Works with other steel manufacturing facilities covered by the Safeguard Mechanism.
| Facility | Operator | State | Emissions | vs Baseline | Compliance |
|---|---|---|---|---|---|
| Liberty Primary Steel Whyalla Steelworks | ONESTEEL MANUFACTURING PTY LIMITED | SA | 1.19 Mt | +165 kt | Pending |
| Western Port Works | BlueScope Steel Limited | VIC | 108 kt | +8 kt | SMC buyer |
| InfraBuild Steel Laverton Steel Mill | THE AUSTRALIAN STEEL COMPANY (OPERATIONS) PTY LTD | VIC | 114 kt | +1 kt | ACCU buyer |
| Liberty Bell Bay | Liberty Bell Bay Pty Ltd | TAS | 196 kt | -9 kt | Under baseline |
| Port Kembla Steelworks | BLUESCOPE STEEL (AIS) PTY. LTD. | NSW | 5.95 Mt | -232 kt | Under baseline |