Adding Solar Panels to Every Residential Roof in the U.S. Would Cover More Than 25% of the Nation's Total Electricity Needs

Rooftop solar has become a hot topic in the recent decade as solar panels have come down in price to the point where you can see a return on your investment in as little as 24 months. Currently, about 1.5% of homes have solar panels installed on the roof removing the need for about 14 TW hours of power from utility companies. While this may seem like a drop in the bucket compared to the 4,090 TW hours required to power the country, it’s up considerably from the approximately 1 TW hour it was displacing 8 years ago.

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