How Solar Power Has Gotten So Cheap, So Fast

April 10, 2015 9:06 AM

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Let's talk now about a different kind of technology - solar power. Solar is a clean source of energy long considered too expensive, but now that's changing. Jacob Goldstein of NPR's Planet Money team has been asking why solar power has grown so cheap so fast.

JACOB GOLDSTEIN, BYLINE: John O'Hagan is a retired New York City police officer. He got solar panels installed on the roof of his house last week.

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