French heatwaves could cost up to €15 billion, ecology minister says

Wednesday 12 August 2026 - 14:00

By: Sahili Aya

French heatwaves could cost up to €15 billion, ecology minister says

Repeated heatwaves this summer could generate between €10 billion and €15 billion in direct and indirect costs for France, according to Ecology Minister Monique Barbut.

The estimate was presented on Wednesday as the government convened a crisis meeting focused on the country's worsening drought conditions. Barbut stressed, however, that the figure should be treated cautiously because of the uncertainties surrounding the available economic estimates.

Heatwaves carry a heavy economic price

The minister said the estimated cost was based on figures from INSEE, France's national statistics institute.

The projected €10 billion to €15 billion covers both direct and indirect economic consequences associated with the heatwaves experienced this summer. Barbut emphasized that the estimate should not be interpreted as a definitive assessment, given the difficulty of measuring the full economic impact of extreme heat.

The calculation nevertheless illustrates the scale of the financial consequences that can accompany repeated periods of exceptionally high temperatures.

Drought adds to the pressure

Barbut made the announcement at a crisis meeting dedicated to drought, highlighting the close relationship between extreme heat and water stress.

France has faced increasingly difficult conditions in several areas as prolonged heat contributes to declining water availability. The government is therefore dealing simultaneously with the immediate effects of heatwaves and the longer-term consequences for water resources.

The crisis meeting comes as authorities monitor drought levels and consider measures to manage increasingly strained supplies.

A warning about the cost of extreme weather

The government's estimate adds an economic dimension to the discussion surrounding increasingly frequent episodes of extreme heat.

Beyond their immediate effects, heatwaves can affect economic activity and generate costs across multiple sectors. Their consequences can therefore extend well beyond the period during which temperatures remain exceptionally high.

By putting a potential price tag of €10 billion to €15 billion on this summer's heatwaves, the government is highlighting the growing financial stakes associated with extreme weather.

Barbut's caution over the estimate also underlines the difficulty of calculating such costs precisely. As the summer progresses, the final economic impact will depend on the duration and intensity of the heat, as well as its consequences for households, businesses, infrastructure and water resources.