S&P Global Ratings assigned its 'A+' rating to Elizabethton, Tenn.'s series 2019 general obligation (GO) refunding bonds. At the same time, we affirmed our 'A+' long-term rating and underlying rating (SPUR) on the city's existing GO bonds. The outlook is stable. The series 2019 bonds are secured by unlimited ad valorem taxes levied on all property within the city's corporate limits. The bonds are additionally payable from but not secured by the revenue to be derived from the operations of the electric system. The existing GO bonds are secured by unlimited ad valorem taxes levied on all property within the city's corporate limits. The series 2013 GO school refunding and improvement bonds are secured by unlimited ad valorem tax levied