Lights and internet services are slowly being switched back on across Brisbane as the city recovers from the week's floods.



As of Saturday morning, 18,967 Brisbane homes remained without power, from a total of 24,468 customers across southeast Queensland.



More than 250 Energex crews have been deployed to reconnect homes affected by flood damage.



Queensland Police have urged drivers to exercise caution on flood-affected roads were traffic lights remain out.



Meanwhile Telstra is busy restoring home internet connections to some of the worst-hit flood areas in town today.



Some customers in Kenmore and Chapel Hill have been without internet since Tuesday, local ABC radio reported this morning.



Telstra spokeswoman Sue Passmore earlier this week asked affected customers to remain patient.



“In some cases we simply cannot gain access to sites to repair damage and will have to wait for floodwaters to recede so we can safely access some parts of the network,” Ms Passmore said.

Elsewhere in the state, water, power and other essential services are slowly being restored, however authorities say it will still be a long time before normality returns state-wide.



Premier Anna Bligh said yesterday some homes were so badly damaged the power will never be turned back on.

"These are houses that have been inundated right up to their rooftops ... it could be weeks," Premier Anna Bligh told reporters in Brisbane.

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"Some of these houses will have to be demolished, so they won't be getting supply back on until there's a new house there."

Regular bus timetables - with some route restrictions - will resume in the southeast this weekend, with passengers riding free for the next week.



CityCat and ferry services in Brisbane remain suspended.



- with AAP