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Malibu Boat Owners

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Kirill Kulikov
Kirill Kulikov

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The second technology is concentrating solar power, or CSP. It is used primarily in very large power plants and is not appropriate for residential use. This technology uses mirrors to reflect and concentrate sunlight onto receivers that collect solar energy and convert it to heat, which can then be used to produce electricity. Learn more about how CSP works.




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Solar panels are built to work in all climates, but in some cases, rooftops may not be suitable for solar systems due to age or tree cover. If there are trees near your home that create excessive shade on your roof, rooftop panels may not be the most ideal option. The size, shape, and slope of your roof are also important factors to consider. Typically, solar panels perform best on south-facing roofs with a slope between 15 and 40 degrees, though other roofs may be suitable too. You should also consider the age of your roof and how long until it will need replacement.


Those interested in community solar can take advantage of a tool from SETO awardee EnergySage. The company's Community Solar Marketplace aggregates the many available options in one place and standardizes project information, allowing interested consumers to easily locate and compare multiple community solar projects in their area.


Solar co-ops and Solarize campaigns can also help you start the process of going solar. These programs work by allowing groups of homeowners to work together to collectively negotiate rates, select an installer, and create additional community interest in solar through a limited-time offer to join the campaign. Ultimately, as the number of residents who participate in the program increase, the cost of the installations will decrease.


Right now, the best way to install solar is through a qualified professional who holds a certification to do so and works with high-quality solar panels. The industry-standard certification is awarded through the North American Board of Certified Energy Practitioners (NABCEP).


The amount of money you can save with solar depends upon how much electricity you consume, the size of your solar energy system, if you choose to buy or lease your system, and how much power it is able to generate given the direction your roof faces and how much sunlight hits it. Your savings also depend on the electricity rates set by your utility and how much the utility will compensate you for the excess solar energy you send back to the grid. Check the National Utility Rate Database to see current electricity rates in your area.


Consumers have different financial options to select from when deciding to go solar. In general, a purchased solar system can be installed at a lower total cost than system installed using a solar loan, lease, or power purchase agreement (PPA).


Navigating the landscape of solar financing can be difficult. The Clean Energy States Alliance released a guide to help homeowners understand their options, explaining the advantages and disadvantages of each. Download the guide.


DOE created the Homeowner's Guide t