The sun’s power has inspired humans since people first used glass lenses to magnify its rays for fire. Today, it’s a major source of renewable energy and the best hope we have for replacing polluting fossil fuels. Learn more

Solar technology is growing fast and has made electricity from solar significantly more affordable. Many states and cities offer incentives to encourage solar. Some of them include a rebate for installing solar panels, a property tax exemption, or a cash incentive. The Database of State Incentives for Renewables and Efficiency (DSIRE), operated by NCSE, provides detailed information about these programs.

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Whether they’re installed on rooftops or at larger facilities, solar systems are now cheaper than ever. This is especially true when you factor in federal tax credits. And, with many companies specializing in different types of systems, you can find the right fit for your home.

When shopping for a solar installer, research them thoroughly to see if they have a good track record. A quality solar company will be reliable, responsive and professional. It’s also a good idea to read online reviews and complaints from other customers. You can get a sense for a company’s reputation from sites like Google and Yelp, as well as consumer groups like the Better Business Bureau. In addition, check the company’s website for news releases and a list of solar projects completed. These projects are not a guarantee that the company will complete your project on time.