The disaster is one of the largest power outages in Victorian history and could take weeks to fully fix.
Victoria’s State Emergency Service received more than 4000 calls for assistance as of 4pm on Wednesday, with that number expected to climb.
A dairy farmer was killed after being struck by debris while herding cows on a quad bike in Darlimurla in South Gippsland.
Five regional hospitals could remain on generator power for at least three days as authorities rush to prioritise fuel and restore energy to those sites.
Families of young children remain in the dark on whether they can send them to school after 80 schools and early learning centres were impacted by outages, with the decision coming.
Almost 500 phone towers and 450 NBN sites were down, leaving a quarter of a million customers without internet access.
Storm damage that collapsed transmission lines caused the Loy Yang A coal-fired power station in the Latrobe Valley to shut down along with several wind farms, which led to the outages.