wichita.edu
…through bylaws adoption, are “opt-out.” Cuivre River Electric has an opt-out program, and 90% of the 62,500 member customers participate in the Round Up program which has raised more than $5 million. Typically, donations align with the mission of the stormwater program, but also positively impacts disadvantaged communities or the community as a whole…
https://www.wichita.edu/academics/fairmount_las/hugowall/efc/news/meramec-funding-source-pages/on-bill-donations.php