Market Energy Regulator says two states likely to experience blackouts this summer.
The Voice referendum campaigns officially begin, with the PM heading to Tasmania and the no advocates to South Australia.
Overseas: Hurricane Idalia makes landfall with more than 445,000 people without power in the US.
Aussies urged to buy a daffodil or donate to Cancer Council's Daffodil Day.

All Eyes On RBA Official
04:22

The Coalition Set To Fight Labor's Tax Changes
03:43

Budget Does Little To Sway Voters
03:48