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Rio to power Gladstone operations with solar

Manufacturing News

Rio Tinto will drive development of Australia’s largest solar power project near Gladstone, Queensland after agreeing to buy all electricity from the 1.1GW1 Upper Calliope Solar Farm to provide renewable power to Rio Tinto’s Gladstone operations.

The agreement will bring more renewable power into one of Australia’s most important industrial hubs and marks another step towards Rio Tinto’s climate goal of halving its global Scope 1 & 2 carbon emissions this decade, according to a statement.

“If combined with more renewable power and suitable firming, transmission and industrial policy, it could also provide the core of a solution to repower Rio Tinto’s three Gladstone production assets – the Boyne aluminium smelter, the Yarwun alumina refinery (pictured) and the Queensland Alumina refinery.”

Under a new power purchase agreement (PPA) signed with European Energy Australia, Rio Tinto will buy all power generated from the Upper Calliope solar farm for 25 years.

The plant will be built and operated by European Energy, at a site about 50 kilometres south-west of Gladstone, pending development and grid connection approvals.

Once approved and developed, Upper Calliope would have the potential to lower Rio Tinto’s operating carbon emissions by 1.8 million tonnes per year.

Rio Tinto Chief Executive Jakob Stausholm said: “This agreement is a first important step in our work to repower our Gladstone operations and illustrates our commitment to keeping sustainably powered industry in Central Queensland.

“The task remains challenging, but we have a pathway to provide the competitive, firmed power our Gladstone plants need and we are continuing to work hard with all stakeholders, including the Queensland and Australian governments, on getting there.

“Competitive capacity, firming, and transmission, are critical to developing a modern energy system that can ensure more large-scale renewables development in Queensland and help guarantee the future of Australian industry.”

Once approved, construction of the Upper Calliope plant is targeted to start in 2025 or 2026 and, when complete, it will provide enough electricity to meet about five percent of Queensland’s current demand.

The plant, which is expected to take two years to construct, will cover 2400 hectares, employ 1000 people during construction and support 100 direct and indirect jobs when operating.

European Energy CEO Erik Andersen said: “By supplying renewable energy to one of Australia’s key industrial hubs, we are setting a new standard for industrial energy consumption.”

Picture: Rio Tinto/Yarwun alumina refinery in Gladstone

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