national renewable energy laboratory
  
  
    
      
  
  
  
      
  
  
  
    
  
    
        
    
          
              
            
            
            
        May 31, 2013 -
        
  
        With a fast-growing number of U.S. residents installing solar panels on their homes and businesses, utilities worried about their bottom line are jumping into the distributed solar power market -- even in the coal-dependent South.