Economic Watch: Heatwave scorches France's public finances

　　PARIS, June 30 (Xinhua) -- Paris sweltered under temperatures nearing 40 degrees Celsius in the past week, as red alerts for extreme heat blanketed most of France. Even after sunset, the capital has found little respite, with night temperatures staying punishingly close to 30 degrees.

　　For a country where only one in four homes has air conditioning, the official readings capture only part of the picture. The scorching temperatures have not only disrupted daily life and exposed gaps in public infrastructure, but also added to the French government's fiscal strain -- both through the cost of coping with the heat and through increased public spending.

　　HEAT, DEBT, AND A CASH-STRAPPED STATE

　　France's summer heat is seldom this intense, and the country's housing stock reflects that. According to data from the Agency for Ecological Transition, only about 24 percent of French homes were equipped with air conditioning in 2025. Most households still rely on fans, shutters, and ventilation to keep cool. Older buildings, top-floor apartments, and public facilities such as schools, hospitals, and nursing homes are particularly vulnerable when the mercury soars.

　　This year's heatwave has rippled across essential services. France's power grid operator reported that sustained high temperatures were straining transmission lines and raising the risk of equipment failures. By Friday morning, roughly 50,000 electricity customers were left without power. In Paris, some metro and tram lines have suspended service or reduced frequency, while rail operations have also been disrupted.

　　What the heatwave has exposed, however, goes deeper than infrastructure weaknesses. At its root lies a chronic shortfall in public investment. France's Green Fund, launched in 2023 with an initial budget of 1.5 billion euros (1.7 billion U.S. dollars) to finance climate adaptation projects, was slashed to just 837 million euros (955 million dollars) in the 2026 finance bill.

　　Monique Barbut, minister of Ecological Transition, has acknowledged that existing funds are far from sufficient to meet actual needs. Local media have pointed out that simply upgrading rail lines and power grids would require billions of euros.

　　COOLING EFFORTS, BARELY ENOUGH

　　Given such constraints, the government has leaned toward relying on existing policy tools, targeted subsidies, and local government participation, rather than significantly increasing public spending.

　　French Prime Minister Sebastien Lecornu recently announced 100 million euros (114 million dollars) to install cooling equipment in hospitals -- but struck a sobering note, saying France cannot make up for 30 years of lag in just a few budget cycles, and the country will continue to rely largely on existing mechanisms such as the Green Fund to address climate challenges.

　　That caution is rooted in cold, hard numbers. France's public debt stood at 3.54 trillion euros (4 trillion dollars) at the end of the first quarter of 2026, equivalent to 117.5 percent of GDP -- up by 75.6 billion euros (86 billion dollars) from the previous quarter, according to Insee, the national statistics institute. Although the deficit narrowed to 5.1 percent of GDP in 2025, it remains well above the EU's 3 percent threshold.

　　Adding to the pressure, the cost of servicing that debt is climbing. Driven by higher rates on newly issued debt, France's interest payments are expected to jump to 77.4 billion euros (88.3 billion dollars) in 2026. That rising burden is steadily squeezing the country's already limited fiscal space. For the French government, even if it wishes to increase investment in climate response, it must contend with the dual constraints of funding sources and budget priorities.

　　THE HIDDEN COST OF A HOTTER FUTURE

　　The economic toll of repeated summer heatwaves has already drawn attention in France in recent years, with a report published in May by credit insurer Allianz Trade warning that France could lose up to 240 billion dollars over the next five years if heatwaves become more frequent.

　　The report highlighted labour productivity as the first casualty. When temperatures exceed 30 degrees Celsius, work efficiency drops noticeably, and the effect intensifies with every additional degree. Outdoor-intensive sectors such as agriculture, construction, and tourism, which together account for a substantial slice of French economic output, are the hardest hit.

　　Weaker productivity could, in turn, dampen wage growth and curb household consumption -- a worrying prospect at a time when energy prices and geopolitical tensions are already pushing up living costs. The additional shock from high temperatures has heightened concerns over "stagflation" risks. The Bank of France recently projected that French headline inflation would rise to 2.5 percent in 2026, driven in part by higher oil prices.

　　High temperatures will also weigh on fiscal revenues. Allianz Trade estimated that by 2030, extreme heat could reduce France's annual tax revenue by about 1.8 percent -- roughly 10 billion euros (11.3 billion dollars) per year based on current tax receipts. At the same time, additional spending on heat-related medical care, emergency repairs, and public service coordination will pile further pressure on state finances.

　　Yet the challenges brought by heatwaves may also generate new avenues for growth. The report argued that building energy retrofits, low-energy cooling systems, urban heat mitigation, and green infrastructure could emerge as promising areas for investment. With the right policy and investment environment in place, climate adaptation could also become part of France's broader economic transformation.

　　For now, France is getting a brief respite after an unprecedented heat wave. But the pressure on public finances shows no sign of easing, especially with high temperatures expected to return in early July. Whether the heatwave becomes a catalyst for transformation, or merely another drag on a stretched budget, will depend on whether the government can make far-sighted decisions that go beyond the challenges at hand. ■