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Solar

How much do you know about solar power? Take our quiz and test your solar energy IQ. | Photo courtesy of NREL.

How much do you know about solar power? Take our quiz and test your solar energy IQ. | Photo courtesy of NREL.

The tremendous growth in the U.S. solar industry is helping to pave the way to a cleaner, more sustainable energy future. Over the past few years, the cost of a solar energy system has dropped significantly -- helping to give more American families and business access to affordable, clean energy.

Through a portfolio of R&D efforts, including the SunShot Initiative, the Energy Department remains committed to leveraging America’s abundant solar energy resources -- driving research, manufacturing and market solutions to support widespread expansion of the nation’s solar market.

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