SBC#3 and SBC#4 — Resource Corridors
Two corridors linking the mineral belt to processing centres and export ports. Funded from Phase 1 revenue. Full Pacific Island HVDC link network established.
~5,700km
Phase 2 total
2
New corridors
Self-funded
From Phase 1 revenue
216GW+
HVDC total network
Route Map
SBC#3 Gulf Coast–Adelaide · SBC#4 Port Hedland–Mackay · Full Asia link network
SBC#3 — Gulf Coast to Adelaide
~2,500km. Links the Gulf of Carpentaria mineral belt to South Australian processing and export. Bauxite, manganese, gas fields — all electrified inland for the first time.
SBC#4 — Port Hedland to Mackay
~3,200km horizontal corridor at approximately 20°S. Links Western Australian iron ore and gas to Queensland coal and port infrastructure. The resource export backbone of the continent.
What Phase 2 Completes
- Every major Australian resource region connected to the national network
- Full Pacific Island HVDC link network — Solomons, PNG, Pacific Islands
- 216GW+ combined HVDC transmission across four corridors
- Australia's sovereign energy export capability established at continental scale