Green Mountain Power Files Annual Report on Form 10-K

  
    
  
  
    
      Green Mountain Power (NYSE: GMP) today announced that it has filed with 
      the U.S. Securities and Exchange Commission its Annual Report on Form 
      10-K for the fiscal year ended December 31, 2006. The filing was made on 
      March 13, 2007 and is available electronically on Green Mountain Power’s 
      website at www.greenmountainpower.biz. 
      Under the section entitled “Who We Are,” 
      users should select “Investors.”
    
    
      Upon request, shareholders may receive free of charge a hard copy of the 
      Annual Report on Form 10-K, including complete audited financial 
      statements, by emailing [e-mail], 
      calling 1-802-655-8410, or mailing Green Mountain Power, 163 Acorn Lane, 
      Colchester, VT 05446, attn: Corporate Relations.
    
    
      Green Mountain Power (www.greenmountainpower.biz) 
      is an electric utility operating company that transmits, distributes and 
      sells electricity and utility construction services in the State of 
      Vermont in a service territory with approximately one quarter of Vermont’s 
      population. It serves approximately 90,000 customers.
    
    
      For further information, please contact Dorothy Schnure, Manager of 
      Corporate Communications, at 802-655-8418.