Coal Mining Heritage: How the Illawarra Was Built on Coal

The coal seams that run beneath the Illawarra Escarpment from Bulli in the north to Wollongong in the south provided the fuel that powered the colony of NSW through the nineteenth and early twentieth centuries and the raw material for the coke production that made the Port Kembla steelworks possible. Coal mining shaped the communities of the escarpment foothills, creating the dense working-class settlements of Bulli, Thirroul, Corrimal, and Coledale that housed the miners and their families in a landscape simultaneously beautiful and physically demanding.

The coal industry's influence on Wollongong's social and political culture was pervasive. The mining unions, with their strong traditions of collective organisation and industrial solidarity, shaped the political consciousness of the Illawarra working class in ways that remain visible in the region's voting patterns and its community culture. The connection between the miners' unions and the labour movement more broadly gave the Illawarra a political significance in NSW Labor politics disproportionate to its population.

Mine disasters at Bulli in 1887, where 81 miners were killed in a gas explosion, and at Mt Kembla in 1902, where 96 people died in Australia's worst mining disaster at the time, created tragedies that marked the communities profoundly and contributed to the impetus for improved mine safety regulation. The Mt Kembla disaster's memorial in the local cemetery provides a continuing reminder of the human cost of the coal extraction on which the Illawarra's prosperity was built.

The transition away from coal as both a fuel and an industrial feedstock raises questions about the long-term economic future of the remaining coal operations in the Illawarra. The combination of environmental pressure on coal use globally and the specific context of the Port Kembla steelworks' own potential transition to hydrogen-based production creates a scenario where coal's role in the Illawarra economy could diminish further over the coming decades.

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