Rio Tinto has approved a US$98 million (100% basis) investment in a new solar plant at the Koodaideri mine in the Pilbara, Australia, as well as a lithium-ion battery energy storage system to help power its entire Pilbara power network.
The 34 MW solar photovoltaic plant is expected to supply all of Koodaideri’s electricity demand during peak solar power generation times and approximately 65% of the mine’s average electricity demand.
The plant, Rio Tinto’s first company-owned solar facility, will consist of an estimated 100 000 panels, covering an area of 105 ha. Construction is expected to begin later this year, subject to government approvals, and is due to be completed in 2021.
Complementing it will be a new 12 MWh battery energy storage system in Tom Price that will provide spinning reserve generating capacity to support a stable and reliable network.
The solar plant and battery are estimated to lower annual carbon dioxide emissions by about 90 000 t compared to conventional gas-powered generation. This is the equivalent of taking about 28 000 cars off the road.
Rio Tinto Iron Ore Chief Executive Chris Salisbury said “The construction of our first solar plant in the Pilbara is a significant milestone for the business and an important step in reducing our carbon footprint in the region.
“We are investigating additional renewable energy options in the Pilbara, as well as other opportunities to reduce emissions across our entire global portfolio, building on the 43% reduction in absolute greenhouse gas emissions since 2008.”
Read the article online at: https://www.globalminingreview.com/environment-sustainability/17022020/rio-tinto-to-build-first-solar-plant-in-western-australia-to-power-iron-ore-mine/
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