"The objective of our crews is to do this as quickly as possible, while ensuring the safety of our crews and the public," she said.
"At this stage, we anticipate restoration will be around 9.45 pm but people can keep up to date with restoration work relevant to their specific address through the Vector Outage Centre, available on vector.co.nz/outages."
A Fire and Emergency spokesman said fire crews had not yet been called out to any weather-related jobs.
Vector reminded people to stay away from damaged electrical equipment and report issues by phoning 0508 832867.
"All lines should be treated as live at all times."