Solar energy is the fastest growing and most affordable source of new electricity in America. As the cost of solar energy systems dropped significantly, more Americans and businesses have taken advantage of clean energy.
Solar Energy Technologies Office
The Solar Energy Technologies Office (SETO) funds research and development across the solar energy spectrum to drive innovation, lower costs, and support the transition to a decarbonized power sector by 2035 and a decarbonized economy by 2050.
Solar Energy Resources
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These resources cover a variety of topics for energy consumers including the process of choosing and installing a solar energy system and its value. -
These resources help those working in solar and complementary industries understand how they can use and benefit from the sun’s energy. -
These resources help government entities in the United States looking to procure solar or make it easier for their communities to install solar. -
These resources help those looking to find employment in the hundreds of thousands of jobs in the U.S. solar industry.
How Does Solar Work?
Solar technologies convert sunlight into electrical energy either through photovoltaic (PV) panels or through mirrors that concentrate solar radiation. Learn how this energy can be used to generate electricity.
Solar Blog Posts
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Residential solar energy systems paired with battery storage—generally called solar-plus-storage systems—provide power regardless of the weather or the time of day without having to rely on backup power from the grid. Check out some of the benefits. -
If you’re thinking about replacing your roof, considering adding solar at the same time. Researchers estimate that the average savings could amount to $4,000. -
President Biden signed the Inflation Reduction Act into law, expanding the Federal Tax Credit for Solar Photovoltaics, also known as the Investment Tax Credit (ITC). -
A guide for U.S. homeowners on the process of getting rooftop solar panels. -
Pollinators—such as bees, butterflies, and other insects—are critical to the success of about 35 percent of global food crop production. Learn about the benefits of establishing pollinator-friendly plants under and around ground-mounted solar arrays.
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