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Different power generation systems use different energy sources and technologies. Choosing the right type of power generation system depends on factors like cost, scalability, location, and sustainability goals. About 18% of power produced in the US comes from water, wind, and solar energy.
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 are taking advantage of clean energy.
Millions of Americans are deciding to power their homes with solar energy—especially as costs have decreased—but an investment in solar energy generates more than just clean energy. It can support household savings, energy independence, economic opportunities, grid reliability, resilience, security and affordability, and a safer planet.
Learn the basics of solar energy technology including solar radiation, photovoltaics (PV), concentrating solar-thermal power (CSP), grid integration, and soft costs. Learn More about How Does Solar Work?