• Solar panels save energy.Frank Chmura/Photodisc/Getty Images
  
  Solar panels provide the world with renewable energy from sunlight. Investing in a solar system allows homeowners, business and utility companies the opportunity to have "free" electricity. Although there are do-it-yourself kits to install solar panels, it is best to have a professional install your solar panels to ensure the panels are installed in the most efficient position. When considering solar panels, you have a variety of companies that produce panels to choose from.
  
  

Evergreen Solar

• Evergreen Solar manufactures solar panels in Marlboro, Massachusetts. The ES-A series all-purpose solar can be installed in practically any climate. These solar panels are available nationwide through Solar Depot and AEE Solar.
  
  

GE Energy

• GE Energy Services is a global energy company with its headquarters in Atlanta, Georgia. The energy company provides power systems and offers a variety of energy services including solar products and solar electronic power system. Commercial, utility and residential customers can access the solar technology of GE Energy. The company fabricates solar modules that come with a limited 20-year warranty on power productivity and a limited 5-year warranty on supplies.
  
  

SunWize Technologies

• SunWize Technologies sits in Kingston, New York with a 30,000-square-foot facility that holds the manufacturing and engineering projects. The Rancho Cucamonga, California office houses a 71,000-square-foot distribution facility. The company provides installations of solar products and fabricates solar models, including panels for homeowners, commercial facilities, government offices and utility systems.
  
  

SunPower

• SunPower has been developing solar technology since 1970, and it's headquarters are in San Jose, California. SunPower puts every certified dealer through demanding training. The company produces SunPower Signature Black panels that blend with your roof and do not have grid lines. Also, the SunPower E19 Series panels feature anti-reflective coating to absorb more of the sun's rays.