...S&P Global Ratings assigned its '##' long-term rating to the San Francisco Public Utilities Commission's (SFPUC, or Hetch Hetchy power enterprise) $71.9 million series 2021A (green bonds) and $47.9 million series 2021B power revenue bonds. At the same time, we affirmed our '##' long-term rating on the power enterprise's series 2015A and 2015B power revenue bonds outstanding. The outlook is stable. The power enterprise had about $171 million in total debt as of unaudited fiscal 2021: $56 million in long-term debt and $115 million in commercial paper (CP). The power enterprise is projected to have about $213 million in debt at the end of fiscal 2022. The bond proceeds will be used to refinance approximately $137 million in CP outstanding that was issued to fund various capital improvement projects. As with the series 2015A bonds outstanding, the series 2021A bonds are designated as green bonds, meaning that proceeds finance environmentally beneficial projects, such as Hetch Hetchy Project...