TORONTO--(BUSINESS WIRE)--The class actions department of Koskie Minsky LLP today announced that it is investigating a potential class action concerning the billing practices of Hydro One. On May 25, 2015, Ontario Ombudsman André Marin released a report on Hydro One billing and customer services. The Ombudsman’s report identified numerous billing errors caused by glitches associated with a newly installed customer information system. This newly installed customer information system reportedly g