S&P Global Ratings assigned its 'AA-' long-term rating to Austin , Texas' $433 million series 2025 electric utility system (d/b/a Austin Energy) revenue refunding bonds. At the same time, S&P Global Ratings affirmed its ?AA-? long-term rating and underlying rating (SPUR) on the electric utility system?s existing revenue debt. The outlook is stable. AUSTIN (S&P Global Ratings) Oct. 21, 2025--S&P Global Ratings today took the ratings actions listed above. In our view, Austin Energy and many of its ERCOT-based peer utilities face greater environmental risk than do other credits nationally. Given exposure to extreme temperature changes in the region against the backdrop of ERCOT's forecast significant load growth (possibly growing to 140 GW of demand by 2029 from 84 GW
