From site: Qualifying households on the Bill Credit Assistance Plan, receive a monthly automatic bill credit for all services, regardless of payment. You can achieve additional monthly credits with full and on-time payments. The credit amount you receive depends on the number of services you receive.
Washington State Department of Social and Health Services
Dedicated to transforming lives through aging and long-term support, behavioral health, vocational rehabilitation, and economic services to keep people healthy, safe, and supported.