Guam Power Authority's bonds are triple tax exempt and are rated by Standard & Poor's, Fitch and Moody's.

28 January 2009 Fitch Ratings has affirmed the BB+ with a Positive Outlook Fitch Download 17.1 KB pdf

December 2008 Standard & Poor's Ratings Services raised its standard long term rating and underlying rating (SPUR) on GPA's existing revenue bonds to "BBB-" from "BB+". The upgrade reflects the authority's sustained trend of improved operational and financial performance. Standard Poors Download 334 KB pdf

27 August 2007 Moody's Investors Service has affirmed the Ba1 credit rating on GPA's revenue bonds. Moody's has also changed the outlook from stable to positive on the bonds. Download 67 kB pdf

12 April 2007 Standard & Poor's revises GPA outlook to stable from negative based on the Authority's improved operational and fiscal performance over the last two years. Download 180 kB pdf
11 February 2005 Standard & Poor's rating of GPA Bonds Download 68 kB pdf

20 April 2004 Moody's Investors Service rating of GPA bonds Download 149 kB pdf

Standard & Poors Credit Ratings