The Westbury bushfire was declared safe yesterday after growing to 166 hectares since Thursday.
Old Sale Road is now open to traffic and the communities of Tanjil South, Trafalgar East, Moe and Westbury are advised smoke may still be visible.
The all-clear marked the end of a trying few days for Latrobe Valley firefighting crews – who also battled blazes near Gormandale and Yinnar.
The Mullungdung series of fires near Gormandale, Giffard and Carrajung are contained and firefighters yesterday afternoon worked to strengthen containment lines.
Fire authorities believe all 13 of the Mullungdung fires were started by lightning from several different storm cells over the past five days.
A Country Fire Authority spokesperson said the spread of the fires had been limited due to recent Department of Environment and Primary Industries fuel reduction burns, with none crossing the South Gippsland Highway to the east.
The cause of the Delburn fire, which started on Thursday at the intersection of the Strzelecki Highway and Creamery Road, has not yet been determined.
CFA crews and a Hancock Victoria Plantations helicopter and dozer worked to contain the fire within a couple of hours.
It had reached about two hectares in size.
The heatwave also threatened the state’s electricity supply with high demand for power and reduced capacity at Loy Yang.
The Australian Energy Market Operator was on standby to reduce the amount of electricity provided, potentially affecting 100,000 homes and commercial properties in the middle of the week.
But the load shedding was not required and the Loy Yang A3 plant is back in service, bringing balance back to the supply and demand for electricity.
On Thursday night, demand reached its peak for the heatwave, at more than 10,300 megawatts.
For information on fires in Victoria and general fire safety, phone the Victorian Bushfire Information Line on freecall
1800 240 667.
Callers who are deaf, hard of hearing, or have a speech or communication impairment may contact VBIL via the National Relay Service on 1800 555 677.