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Rio Tinto approves new solar plant to power Kennecott mine

Published by , Editorial Assistant
Global Mining Review,


Rio Tinto has approved construction of a new 25 MW solar plant at its Kennecott copper operation in Utah, bringing the mine’s total solar capacity to 30 MW.

The new solar plant will be located next to Kennecott’s existing 5 MW solar plant, which was completed in 2023. Together, the two solar plants will reduce Kennecott’s Scope 2 emissions by approximately 6%, or 21 000 t of carbon dioxide equivalent per year. This is equivalent to removing around 5000 gas-powered passenger cars from the road.

Construction of the 25 MW solar plant is expected to be completed next year and create short-term employment opportunities for up to 100 labourers, as well as a small number of long-term operations and maintenance roles. Bechtel Corporation will design and manage construction of the plant.

Kennecott, which already has one of the lowest carbon footprints of any copper producer in the US, has reduced its carbon footprint more than 80% since 2018 through initiatives such as closing its coal-powered power plant, building a 5 MW solar farm, transitioning the mining fleet to renewable diesel, and using battery electric vehicles in underground mining.

Rio Tinto Kennecott Managing Director Nate Foster said: “Expanding our solar farm is the latest step in our journey to reduce our carbon footprint. Together with other measures we’ve taken, such as closing a coal-fired power plant, deploying battery electric vehicles underground, and our recent transition to renewable diesel, we have reduced our emissions by millions of tonnes over the past few years.

“We’re demonstrating every day that sustainable practices and resource production can go hand-in-hand to benefit our company as well as our community.”

The 210-acre solar array will include more than 71 000 panels, which contain tellurium produced by Kennecott, a by-product of mining and refining copper. In 2022, Kennecott became one of only two US producers of this critical mineral. Both copper and tellurium are vital components of photovoltaic solar panels.

Read the article online at: https://www.globalminingreview.com/mining/15112024/rio-tinto-approves-new-solar-plant-to-power-kennecott-mine/

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