Takeaways:

  • Researchers from Michigan Technological University have found that a fully renewable energy grid could be achieved if the country converted mines into hydro-powered batteries.
  • This conversion would stabilize a grid powered by wind and solar, absorb excess power and make up for times when there is too much or little power.
  • The research team says these can be an opportunity to bring sustainable economic resources to communities that have been abandoned by mining.

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