Ikea launches massive project on rooftop of one of its stores: ‘The smart choice’

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1. So. 2 acres of roof more or less. A “1-megawatt” battery to gather the extra.

   Now take a look at how little of that roof is covered with solar panels. They’re getting that much output from maybe 20% of the total surface? Every big box store in America should be covered in these things. They wouldn’t use a lick of juice from the grid. Our transmission problems could be put off for five or even ten years.

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