Standard&Poor's Ratings Services assigned its 'AA-' long-term rating to the Southern California Public Power Authority's (SCPPA, or the authority) $65.48 million series 2013A subordinate transmission project revenue refunding bonds and $16.62 million series 2013B taxable subordinate transmission project revenue refunding bonds (Southern Transmission System, or STS, project). In addition, we affirmed our 'AA-' long-term rating and underlying rating (SPUR) on the authority's previously issued subordinated transmission project revenue bonds. We also affirmed our 'AA-/A-1+' long-term rating and 'AA-' SPUR on the authority's series 2000A and 2001A subordinate transmission project revenue refunding bonds. The short-term component of the rating is based on our view of a liquidity facility provided by Wells Fargo Bank National Assn. (AA-/Negative/A-1+). The 'AA-' long-term