At 5pm, about 19,000 Energex customers were without power including almost 2000 in Brisbane, more than 5000 in Ipswich, almost 8000 in the Scenic Rim and more than 2000 in Gympie.
By 6.30pm, this had reduced to about 12,500 including almost 1400 in Brisbane, more than 5000 in Ipswich, about 2500 in the Scenic Rim and more than 2000 in Gympie.
At 8pm, about 6,750 properties were still cut off including 190 in Brisbane, about 2000 in Gympie, about 3000 in Ipswich, less than 700 in the Scenic Rim and 176 in Moreton Bay.
Trains on the Beenleigh, Sunshine Coast and Ipswich/Rosewood lines were suspended on Monday evening after storms caused a signalling fault.
Beenleigh services were stopped for 40 minutes and caused hour-long delays for commuters, before trains resumed about 5.25pm.
Ipswich services resumed about 8.10pm after they were first suspended about 4pm.
However, the Sunshine Coast trains were still suspended by 8pm.
Earlier, the weather bureau warned severe storm cells moving across the south-east could bring damaging winds, heavy rainfall, large hailstones and possible flash flooding.
The Bureau of Meteorology warned the Gold Coast, Brisbane, Cleveland, Jimboomba and Mount Tamborine were in the firing line, before cancelling their warning on Monday evening.