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Sustainability

Rio Tinto to spend big on solar, storage

Rio Tinto plans to invest $402 million (AUD 600 million) to build two new solar farms and battery energy storage systems in Western Australia’s Pilbara region, as part of its efforts to decarbonize its iron ore operations.

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Itochu to start recycling solar modules

Japan’s Itochu has announced a new tie-up with France’s Rosi Solar, which develops tech to recover and recycle high-purity silver, copper and silicon from solar modules.

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COP27 was a crucial step forward for hydrogen – here’s why

Three import deals signed by the EU at Sharm El Sheikh during this month’s COP27 summit show the European Union is serious about harnessing green hydrogen for its heavy industry, and about distributing the fruits of the energy transition on an equitable basis.

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Anglo American moves toward 100% renewables with Australian PPA

Mining major Anglo American has struck a deal with Stanwell to power its Australian operations with 100% renewable energy from 2025 onward as part of a 10-year power supply deal.

Taiwanese consortium develops easily recyclable solar module

The Industrial Technology Research Institute (ITRI) and United Renewable Energy (URE) have developed a solar panel that can be easily dismantled to simplify the recycling process. They claim that 96% of the materials in the panel can be recovered, including all of the solar cells and front glass.

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Novel production process for solar-grade silicon

The SisAl Pilot project produces solar-grade silicon from Spanish quartz without using coal and with zero CO2 emissions. The company behind the project claims that the process is cheaper and more sustainable.

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Tipping point for African C&I solar

With installers who cater to African businesses making the headlines this year, Jasper Graf von Hardenberg – whose C&I solar business was recently bought by Shell – explains here how the story of the continent’s commercial and industrial (C&I) solar segment was far from an overnight success.

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The mobility rEVolution: PG&E obtains first V2G export rate for commercial EVs in US

PG&E has secured approval to set up a vehicle-to-grid (V2G) export compensation mechanism for commercial EV charging customers in California. Sono Motors is debuting its Sion solar electric vehicles in the US market, while Toyota and Jera are installing innovative second-life battery systems in Japan.

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PV modules with longer lifetimes could slash demand for materials, says NREL

The US National Renewable Energy Laboratory (NREL) says in a new report that PV module lifetime extensions should be prioritized over closed-loop recycling to reduce demand for new materials.

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Recycling key to solar sustainability

A new study of the environmental impacts of renewable energy finds significant opportunities for solar to reduce its impacts in various categories, including human health, resource depletion, and environmental damage. The study notes in particular that more work is needed to establish a comprehensive reuse and recycling network for end-of-life PV products.

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