Chile’s Mines Run on Renewables

Chilean mines are more and more run on renewable energy, which will soon be bigger than conventional energy in Chile. Thanks to China, writes John Mathews.

Source: www.energypost.eu

>” […] Miners in Chile are building independent solar, solar thermal, wind and geothermal power plants that produce power at costs competitive with or lower than conventional fuel supplies or grid-connected electric power.

Consider these facts.

The Cerro Dominador concentrated solar power (CSP) plant (see here for an explanation of the different solar technologies), rated at 110 megawatts, will supply regular uninterrupted power to the Antofagasta Minerals complex in the dry north of Chile, in the Atacama desert. Construction began in 2014. This is one of the largest CSP plants in the world, utilising an array of mirrors and lenses to concentrate the sun’s rays onto a power tower, and utilising thermal storage in the form of molten salts, perfected by Spanish company Abengoa. It will supply steady, dispatchable power, day and night.

The El Arrayán wind power project, rated at 115 megawatts, now supplies power to the Los Pelambres mine of Antofagasta Minerals, using Pattern Energy (US) as technology partner. Antofagasta Minerals has also contracted with US solar company SunEdison to build solar panel arrays at the Los Pelambres mine, with a power plant rated at 70 megawatts; while the related plant operated by Amenecer Solar CAP is rated at 100 megawatts, the largest such array in Latin America when it came online in 2014.

There are many more such projects under review or in the pipeline. The Chilean Renewable Energy Center reported in 2014 that the pipeline of renewable power projects in Chile added up to 18,000 megawatts (or 18 gigawatts), which is more than the country’s entire current electric power grid. […]”<

 

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