Northern Powergrid says electricity has now been restored to more than five hundred homes across the North East.
Lightning strikes and rain affected nearly seven hundred homes overnight.
More than a hundred properties are being reconnected in Darlington this afternoon.
A further 62 homes in Morpeth are expected to have power restored at around 7pm.
Thundery rain clearing away to the north first thing on Saturday.
Another fine and dry day to follow with sunny spells developing, and again it will be very warm.
Maximum Temperature 24°C.
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With large amounts of energy again available in this atmosphere storms could be severe, with torrential downpours and large hail.
30 mm of rain is possible in less than an hour, with as much as 50 mm possible in 3 hours very locally.
Isolated heavy, and possibly severe, thunderstorms are expected to develop on Friday evening.
These are likely to become more frequent later and spread northwards towards southern Scotland.
Some torrential downpours are possible leading to localised surface water flooding, with large hail and frequent lightning also possible hazards.
Around 40,000 homes across the region suffered power cuts during the dramatic storms that hit the region.
Northern Powergrid engineers worked late into the night to restore power, as the bad weather continued in some areas.
There were a number of fires caused by lightning strikes. The roof of a house in Ferryhill was completely destroyed. Durham Fire and Rescue say there was no-one in the property at the time.
The HOT weather has set in with temperatures climbing to the highest level for a long time.
Durham and York have seen the mercury climb over 30C!
But that is still 4.5C off the UK's top temperature so far today - recorded at Heathrow in London.
Isolated heavy, and possibly severe thunderstorms are expected to develop late Wednesday afternoon across parts of Northern England and Southern Scotland.
Some torrential downpours are possible leading to localised surface water flooding, with hail and frequent lightning also possible hazards.
Visit the Met Office Warning page here