DiscoverPlanet Money#616: How Solar Got Cheap
#616: How Solar Got Cheap

#616: How Solar Got Cheap

Update: 2019-08-1431
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Solar energy used to be a fantasy. Then it arrived, but was too expensive for most people to afford. Now it's cheap. Here's how it happened.
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#616: How Solar Got Cheap

#616: How Solar Got Cheap

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