Summary: Proposed tariff revisions to Tariff WN-U2 to offer customers the option of receiving their bill in electronic format, specifically email, in lieu of a paper bill; and to add language to pass through any transaction fees (as yet undetermined) to customers choosing to pay their bill on-line via credit card, debit card, or e-check.. The company serves about 415 customers on Vashon Island, in King County. The company’s last general rate increase was a surcharge for $6,450 (2.3 percent) of additional annual revenue which became effective September 1, 2019.