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Kennecott

Kennecott is a large open-pit copper mining complex located in the Oquirrh Mountains south-west of Salt Lake City, Utah, in the United States. The facility is operated by Rio Tinto and is one of the world's largest copper mines, producing copper, gold, silver and molybdenum. The mine features a vast open pit that measures about 4 km wide and more than 1.2 km deep, making it one of the largest man-made excavations on Earth. Kennecott's operations include mining, milling and smelting facilities, with an on-site concentrator and a refinery that processes ore into copper cathode. The complex produces hundreds of thousands of tonnes of copper a year, supplying metal for electrical wiring, construction and increasingly for electric vehicles and renewable energy infrastructure. The mine employs several thousand workers and is a significant contributor to Utah's economy. Kennecott also operates a visitor centre that attracts tourists to view the massive pit. The site has been in continuous operation since the early twentieth century, originally developed by the Kennecott Copper Corporation, and was acquired by Rio Tinto in 1989 through its purchase of BP's minerals division.

Kennecott News


Rio Tinto's Resolution Copper operation
Rio Tinto beats quarterly iron-ore sales estimates, flags rising diesel costs
15th July 2026 By: Reuters

Diversified miner Rio Tinto posted better-than-expected second-quarter iron-ore sales on Wednesday, supported by strong operational performance, though it will need a stronger second half to meet... 


Bradda Head's Basin East project area in Arizona
Bradda Head, Tyfast Energy enter MoU to advance 'Made-in-USA' battery supply chain
12th May 2026 By: Creamer Media Reporter

London-listed and US-focused lithium exploration and development company Bradda Head Lithium has entered into a memorandum of understanding (MoU) with San Diego-based advanced battery materials... 


Rio Tinto expects Resolution Copper mine to open by mid-2030s
Rio Tinto expects Resolution Copper mine to open by mid-2030s
25th March 2026 By: Reuters

Rio Tinto aims to open Arizona's Resolution Copper mine by the mid-2030s but may need to export some of its copper concentrate due to the challenging economics of smelting in the US, a senior... 


Rio Tinto expands solar capacity at Kennecott copper operations
26th January 2026 By: Creamer Media Reporter

Diversified miner Rio Tinto has expanded renewable energy generation at its Kennecott copper operations in Utah with the energisation of a new 25 MW solar plant. The new facility increases... 


Rio Tinto seals 15-year wind power deal for Kennecott
14th November 2025 By: Creamer Media Reporter

Diversified miner Rio Tinto has signed a 15-year virtual power purchase agreement with TerraGen to supply 78.5 MW of wind energy to its Kennecott copper operation in Utah. The electricity will come... 


The Kennetcott smelter
Trump reverses Biden-era rules on copper smelters
27th October 2025 By: Reuters

US President Donald Trump on Friday reversed a Biden-era air pollution rule that had imposed stricter limits on emissions from copper smelters. The copper rule, finalized in May 2024, had required... 


Rio Tinto CEO Simon Trott
Rio Tinto needs strong finish in iron-ore, ups bauxite guidance
14th October 2025 By: Mariaan Webb

Diversified mining major Rio Tinto said on Tuesday it would need a strong final quarter to meet its full-year iron-ore shipment guidance after third-quarter output showed only a modest recovery... 


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