EU Backs Vineyard Robots to Aid Struggling Wine Growers

The European Union is backing a new wave of vineyard technology as growers across the bloc face drought, disease, labor shortages and weaker wine consumption, pressures that have pushed production to some of its lowest levels in decades. Through research projects such as SCORPION, BACCHUS and TRACEWINDU, scientists and engineers are testing tools that could help wine producers cut chemical use, harvest more precisely and trace bottles more securely from vineyard to market.

The effort comes as the wine sector remains one of Europe’s most important rural industries. The EU has about 2.2 million winegrowing farms tending roughly 3.2 million hectares of vines, according to figures cited in a CORDIS podcast on the projects. Those vineyards produce about 150 million hectoliters of wine a year, or around 20 billion bottles. Across the full value chain, from grape growing to retail sales, the sector generates about €130 billion a year for the European economy and supports close to 3 million jobs, mostly in rural areas. Wine exports are worth about €18 billion annually.

But the industry has been under strain. Recent harvests have been hit by droughts, heat waves, heavy rain and disease. EU wine production in 2023 and 2024 was among the lowest of the century, while global wine consumption fell to its lowest level since the mid-1990s. That combination has left growers squeezed by unstable yields and softer demand at the same time.

One response is automation designed for difficult terrain. In Portugal, where steep-slope vineyards are common in regions that produce port wine and other premium bottles, researchers working on SCORPION developed a small autonomous robot that can move safely across narrow rows without GPS. The machine uses an articulated design that keeps all four wheels in contact with the ground for traction on slopes. It can also identify trunks and other visual markers to localize itself in the vineyard.

The project also tested ways to reduce fungicide use. Instead of relying only on spraying, SCORPION explored ultraviolet-B light treatments aimed at fungi that damage vines. The idea is to apply the light at night, when certain fungi are less able to protect themselves, reducing the need for chemicals that can affect the environment. Researchers said the approach could be adapted to other crops as well, though they stressed that it would need careful regulation because UV treatments can also affect beneficial organisms.

The challenge in steep vineyards is not only technical but economic. Many of these sites were once worked by hand, but labor is harder to find and conditions can be punishing for workers. Researchers involved in SCORPION argued that robotics could help preserve vineyards that might otherwise become too costly or difficult to maintain.

A second project, BACCHUS, focused on harvesting grapes with greater precision. The goal was not simply to automate picking but to mimic how a skilled worker handles delicate fruit: reaching for a bunch with one hand, gently pulling it forward to expose the stem and then cutting it cleanly with the other hand while avoiding damage to surrounding grapes and leaves.

That task is harder than it sounds. Wine grapes are more fragile than crops such as apples, which have already been targeted by some harvesting robots. A rough grip can bruise fruit and affect both quality and flavor. To address that problem, BACCHUS combined an omnidirectional mobile platform with two robotic arms and custom 3D-printed gripper fingers sized for different grape varieties. A camera mounted near the cutter helps identify the stem so the robot can make a precise cut.

The system also uses hyperspectral imaging and artificial intelligence to judge ripeness before harvesting. Unlike ordinary cameras, hyperspectral sensors read wavelengths outside visible light and can infer chemical properties such as sugar content. That allows the robot to decide in real time whether a bunch has reached the right maturity level. Immature grapes can be left on the vine for later picking, while ripe ones are collected selectively, a process researchers say can improve wine quality.

A third project highlighted by CORDIS, TRACEWINDU, addresses another pressure point in the sector: trust and traceability. As fraud concerns grow in global wine markets, researchers are developing secure systems that can verify origin and authenticity more reliably across the supply chain. The aim is to make it harder for counterfeit or mislabeled bottles to enter commerce while giving producers and buyers better information about where a wine came from and how it was handled.

Together, the projects reflect a broader shift in European agricultural policy and research funding toward technologies that can stabilize production costs while reducing environmental impact. For growers facing hotter summers, erratic weather and tighter margins, the promise is not only higher efficiency but also a way to keep vineyards viable in places where they have shaped local economies for generations.