Severe storms have moved across Sydney this afternoon causing outages for around 43,000 homes and businesses.

There have been multiple lightning strikes reported on the network and damaging wind gusts. Ausgrid emergency crews are working to restore power safely as quickly as possible.

The main impacted areas include parts of Frenchs Forest, Roseville, North Narrabeen, Lindfield, Mount Colah, Engadine, Epping, Elanora Heights, Hornsby Heights, Forestville, East Lindfield, South Hurstville, Sylvania, Oyster Bay, Bass Hill, Gordon, Chatswood, Hurstville, Davidson, Kareela, Warriewood, Berowra Heights, Villawood, East Killara, Berowra, Pymble, Arcadia, Jannali, Carlingford and pockets of other surrounding areas.

Ausgrid is reminding people to stay well back from any fallen powerlines.

If you see fallen wires always assume they are live and stay at least 8 metres away and call Ausgrid on 131388.