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How Europe Is Using Drones and Water Sprays to Protect Infrastructure from Extreme Heat

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How Europe Is Using Drones and Water Sprays to Protect Infrastructure from Extreme Heat

As Europe faces increasingly frequent and intense heatwaves, governments and infrastructure operators are adopting new technologies to protect essential services. Among the most innovative solutions are drones equipped for inspections and water-spraying systems designed to cool key infrastructure before extreme temperatures cause damage.

The United Kingdom has also experienced record-breaking heat in recent years. According to the UK Met Office, climate change is making heatwaves more likely and more severe, increasing the risks to transport networks, energy systems and public services.

Why Extreme Heat Threatens Infrastructure

High temperatures can affect almost every part of modern infrastructure. Railway tracks may expand and buckle, forcing trains to slow down or suspend services. Roads can soften and deteriorate, while electricity networks face greater demand as people rely more heavily on cooling systems. Data centres and communication networks also require additional cooling to maintain reliable operations.

The European Environment Agency warns that rising temperatures are placing growing pressure on critical infrastructure across the continent, highlighting the need for both adaptation and long-term climate resilience.

How Europe Is Using Drones and Water Sprays to Protect Infrastructure from Extreme Heat

Drones Playing a Bigger Role

Infrastructure operators are increasingly using drones to inspect assets during heatwaves. Equipped with thermal imaging cameras, drones can quickly identify overheating electrical equipment, damaged power lines or vulnerable sections of railway infrastructure without putting workers at risk.

Compared with traditional inspections, drones can cover large areas more efficiently and provide real-time data, allowing maintenance teams to respond before small issues develop into major disruptions.

Water-Spraying Systems Help Keep Networks Cool

Several European countries are also using water-spraying systems to reduce surface temperatures on roads, bridges and rail infrastructure during periods of extreme heat. By lowering temperatures on critical assets, operators aim to minimise heat-related damage and maintain safe transport services.

Some local authorities are also spraying water in urban areas to reduce the urban heat island effect, helping lower temperatures in densely populated neighbourhoods.

How Europe Is Using Drones and Water Sprays to Protect Infrastructure from Extreme Heat

Lessons for the UK

Although the UK has a milder climate than many parts of southern Europe, recent summers have demonstrated that British infrastructure is increasingly vulnerable to extreme heat. The record temperatures of 2022 exposed weaknesses across rail, road and energy networks, prompting renewed investment in climate adaptation.

Experts suggest that combining advanced monitoring technologies such as drones with improved cooling systems, heat-resistant materials and better long-term planning will help make infrastructure more resilient as temperatures continue to rise.

How Europe Is Using Drones and Water Sprays to Protect Infrastructure from Extreme Heat

Looking Ahead

As climate risks grow, protecting infrastructure is becoming as important as reducing emissions. Innovative technologies—including drones, thermal monitoring and targeted cooling systems—are expected to play a larger role in helping European countries, including the UK, keep transport, energy and communications networks operating safely during future heatwaves.