The Renewable Desert
Bloomberg Businessweek|August 13, 2018

Mining companies in Chile turn to clean power.

Laura Millan
The Renewable Desert

Minerals are so abundant in Chile’s northern Atacama Desert, you can get copper just by kicking the mountain—or so says one of the miners’ favorite proverbs. A century after many of the mines there were first opened, finding copper—or gold, or lithium, or iron ore—isn’t that easy. The concentration of minerals in the earth decreases as the miners dig deeper, meaning companies need to process more ore to extract the same amount of metal, a messy and highly polluting process to begin with. To fuel that effort, they need vast amounts of energy.

Chile has little in the way of fossil fuels, leading it to rely on imports and making electricity there extremely expensive. In 24 of the last 30 years, the country’s energy prices were higher than the world average; at its peak in 2011, the price per kilowatt-hour reached $150.90, almost double the global average.

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