PA HB172

Amends Title 66 (Public Utilities) Section 1509 to prohibit electric and water utilities from billing customers for previously unbilled service that accrued more than 12 months prior

Exceptions to the 12-month billing limit include delays caused by Public Utility Commission or court proceedings, or cases involving fraud, theft, or meter tampering

Maintains existing requirements: residential customers must receive at least 20 days to pay bills without penalty; nonresidential customers must receive at least 15 days

Takes effect 60 days after enactment