€43 Billion Lost to Heat, Just €500 Million Insured: Europe’s Climate Coverage Gap Widens

Europe’s heatwaves caused an estimated €43 billion ($50 billion) in lost economic output, while only about €500 million generated insured payouts, according to estimates cited by Moody’s. The figures illustrate how extreme heat can create substantial business losses without triggering conventional insurance claims.

The gap is particularly significant because much of the damage from extreme heat is indirect. Businesses can lose revenue as consumers stay indoors, workers become less productive, transport networks face disruption and operating costs rise, even when buildings or equipment suffer no direct physical damage.

Based on Moody’s figures, the insured portion represents roughly 1.2% of the €43 billion loss, meaning about €85 in economic losses went uninsured for every €1 that was covered.

Why Heat Is Difficult to Insure

Traditional business interruption policies generally rely on a defined physical loss or another specified insured event. Extreme heat can instead affect revenue and productivity through a chain of operational disruptions that are harder to attribute to a single insured incident.

“Heat in itself is not a traditionally insured risk,” Swenja Surminski, managing director for climate and sustainability at Marsh, said in comments reported by Reuters. She said extreme heat can produce financial and operational disruption even when it does not cause the type of catastrophic physical damage associated with floods or storms.

Heat can also combine with drought, wildfires and water shortages, creating overlapping risks that are more difficult to model as a single event. Reuters reported that this compound effect is adding to the challenge for insurers and businesses.

Businesses Are Absorbing Revenue Losses

In Padua, Italy, more than 80% of about 600 hospitality businesses surveyed in the city and surrounding province reported turnover declines of around 20% during a recent heatwave, Reuters reported, citing local hospitality association APPE Padova. Federica Luni, the association’s president, said such a decline could eliminate a business’s profit margin.

The example illustrates the distinction between physical damage and lost economic activity. A restaurant may have an intact building and functioning equipment while still losing sales because customers avoid outdoor dining during extreme temperatures.

The exposure extends beyond hospitality. Heat can affect agriculture, manufacturing, transportation and infrastructure by reducing output, raising cooling costs and disrupting supply chains. Marsh said extreme heat is already creating operational challenges across Europe, including pressure on transport and industrial cooling systems.

Europe’s Wider Insurance Protection Gap

EIOPA’s insurance protection-gap dashboard shows that only around one-quarter of losses from extreme weather and climate-related events in Europe were insured between 1980 and 2024.

EIOPA’s 2025 consumer research also found that only 17% of respondents reported having insurance coverage for property damage caused by natural catastrophes. The regulator said affordability, limited transparency around coverage and expectations of government support can discourage households from buying protection.

The figures indicate that Europe’s insurance challenge is not confined to one type of climate event. Floods, wildfires, storms, drought and heat can each create losses that are only partly covered, depending on the policy, location and type of damage.

Economic Effects Are Building Beyond the Initial Event

The wider economic impact of extreme weather may also persist after temperatures return to normal.

A study by researchers from the University of Mannheim and the European Central Bank estimated that heatwaves, droughts and floods affecting about one-quarter of EU regions during summer 2025 would reduce gross value added by about €43 billion in 2025.

The researchers projected cumulative effects reaching €126 billion by 2029, even without assuming additional extreme weather events in the following years.

The study focused on heatwaves, drought and flooding together rather than heat alone. Its authors said the estimate was conservative and equivalent to about 0.26% of total EU output.

The Moody’s figure cited by Reuters concerns the economic impact of Europe’s 2025 heatwaves, while the University of Mannheim-ECB research covers multiple extreme-weather hazards.

Parametric Insurance Offers a Potential Gap-Filler

Insurers are increasingly exploring parametric products, which pay when an objective trigger, such as a specified temperature threshold, is reached. Unlike traditional indemnity policies, the payment does not depend on a lengthy assessment of individual physical losses.

Swiss Re says parametric insurance can use measurable indicators such as temperature, rainfall or wind speed to trigger payments automatically. Such products are already being used in areas including agriculture and may have applications in other sectors exposed to heat-related disruption.

Parametric coverage, however, does not remove the underlying economic exposure. A policy can provide rapid cash payment when a trigger is reached but may not compensate for every loss suffered by a business.

Measures such as improved cooling systems, workplace redesign, continuity planning and supply-chain stress testing can reduce exposure before a heat wave occurs.

Regulators Look for Broader Solutions

The European Central Bank and EIOPA have suggested a two-pillar EU-level approach to the climate insurance protection gap. The proposal would integrate an EU public-private reinsurance scheme for natural catastrophe risks with an EU public disaster fund with the aim of increasing disaster financing and risk management by member states.

In December 2025, EIOPA also proposed a tool called PROTECT, designed to enable property owners to gain an understanding of the potential impact of climate change on buildings, and to identify strategies to mitigate the risk of exposure to extreme weather events.

EIOPA initiated a consultation on the treatment of adaptation measures in the EU’s Solvency II framework in February 2026, considering the possible impact of risk-reduction investments on capital requirements for natural catastrophe insurance.

Insurance problems are becoming more than just about coverage for physical damage as heat waves are increasingly becoming an operational risk for European businesses. The bigger issue is whether financial protection can be maintained to also account for the revenue, productivity and continuity lost, as businesses invest in measures to minimize those losses to begin with.