File:Bonneville Power Administration (system map, October 2020).svg

Summary
Bonneville Power Administration system map, circa October 2020.

Source: https://www.bpa.gov/news/pubs/GeneralPublications/gi-BPA-Facts.pdf (archive URL: https://web.archive.org/web/20210501221125/https://www.bpa.gov/news/pubs/GeneralPublications/gi-BPA-Facts.pdf)