On December 31, 2018, the Divisional Court released its decision
in Bennett v. Hydro One Inc. et al with respect to the
appeal of the dismissal of a motion for certification of the action
as a class proceeding. The decision provides further guidance
concerning the Court's treatment of common issues, the extent
to which the merits of a matter may influence the assessment of
commonality, and when a regulatory regime will be deemed a
preferable procedure for the purposes of the certification
test.
By way of background, on November 28, 2017, the Ontario Superior
Court dismissed a motion to certify a class action against Hydro
One Networks Inc. ("Hydro One") that sought damages of
$100 million related to alleged overcharges resulting from the
rollout of a new customer information system (CIS) starting in
2013. There was no significant dispute as to the faults with the
CIS, and that billing overcharges resulted. Justice Perell
held that the representative plaintiff