What was the severity of the recent heatwave in Australia?

Australia's south-east experienced its most significant heatwave since the "black summer" of 2019-20 in early January, with major cities reaching over 41C and some areas exceeding 45C.

How did extreme heat impact Victoria?

In Victoria, the intense heat and dry conditions led to nearly 200 fires on January 9, rated as "catastrophic", with some blazes burning for over a month.

What is the role of renewable energy in Australia's grid?

Renewables, particularly solar power, played a significant role, contributing 30% of electricity during a heatwave week and over 50% to the main grid in late 2025.

Home / Environment / Australia Swelters: Heatwave Fuels Fires Amid Fossil Fuel Debate

Australia Swelters: Heatwave Fuels Fires Amid Fossil Fuel Debate

20 Feb

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Summary

South-east Australia faced its worst heatwave since 2019, with temperatures exceeding 45C.
Nearly 200 fires ignited in Victoria amid catastrophic conditions on January 9.
Renewables powered over 50% of Australia's grid in late 2025, yet fossil fuel projects continue.

Australia Swelters: Heatwave Fuels Fires Amid Fossil Fuel Debate

Australia's south-east experienced its most significant heatwave since the "black summer" of 2019-20 in the first week of January. Major cities recorded temperatures above 41C, with some areas reaching over 45C. The intense heat and dry conditions led to nearly 200 fires in Victoria on January 9, rated as "catastrophic", with some blazes burning for over a month.