Iberdrola has begun assembling wind turbines for Portugal's largest wind farm, a EUR 350 million project that will produce enough energy for 128,000 households and avoid more than 230,000 tonnes of CO2 emissions annually.

The Tâmega Wind Farm, comprising the Tâmega Norte and Tâmega Sur wind farms, will be the largest in Portugal, with a capacity of 274 MW and 38 wind turbines of 7.2 MW each. Located between Braga and Vila Real, the facility will produce 601 GWh per year, equivalent to the consumption of 128,000 homes or the Spanish city of Valladolid.

Advanced Turbine Technology and Hybrid Connection

The project will feature 38 Vestas EnVentus V172 wind turbines, which are the largest and most powerful on the global onshore wind energy market. Each turbine has 85-meter blades and a tower height of 114 meters. The wind farm will be the first project with a hybrid connection between hydroelectric and wind power, integrated into the Tâmega Electroproducer System substation.

The hybridisation of both technologies allows wind and hydroelectric energy to share the same connection infrastructure to the electricity grid, reducing connection infrastructure costs, accelerating the integration of renewables and minimising environmental impact. This approach also reinforces the Tâmega Eletroprodutor System's role as an anchor for Portugal's electrification.

Economic Impact and Construction Timeline

The project will create 700 direct jobs at its peak of construction and involve Portuguese companies, including CJR, Conduril, Socorpena, Painhas, and Proef. The components are manufactured in different European countries, reinforcing the commitment to European industry and collaborative innovation.

Construction will continue until the third quarter of 2026, with all wind turbine material to be transported before the end of the first quarter. The project is part of an agreement signed with the Norwegian sovereign wealth fund, managed by Norges Bank Investment Management, and will have a long-term supply agreement (PPA - Power Purchase Agreement).

Innovative Transportation Solutions

More than 110 blades will leave the port of Aveiro for transport to the construction site. In the final phase of transport to the construction and assembly area, an innovative blade lift system will be used - a pioneering technology in Europe that allows the operation to be carried out safely.

This equipment allows the blades to be rotated vertically or horizontally using a hydraulic mechanism, reaching inclinations of up to 60º. This capability enables the system to negotiate sharp bends, slopes and other obstacles while adapting to existing roads. The solution reduces environmental impact by avoiding changes to the road layout and ensuring safety throughout transport.

Environmental Protection Measures

Protecting the ecosystem is a priority in the construction of the Tâmega Wind Farm. Iberdrola guarantees permanent environmental monitoring with teams of biologists and archaeologists to apply good practices and reduce the impact of the work.

Continuous monitoring of local biodiversity, including birds, bats, and other mammals, flora, and habitats, will be carried out to identify additional measures and deepen scientific knowledge of the region. Compensatory actions will be implemented to improve habitats, and upon completion of the work, the Landscape Recovery Plan will ensure the project's integration into the territory.

The commitment includes measures to minimise social disruption and to ensure transparency and dialogue with local communities.

This pioneering project reinforces Iberdrola's leadership in electrification and contributes to Portugal's national energy independence, thereby advancing the objectives of Portugal's National Energy and Climate Plan. The project reinforces Iberdrola's position as the largest investor in renewable energy in Portugal over the last 10 years, with more than EUR 2.2 billion invested and more than 1,400 MW already installed.

The company is now the largest electricity company in Europe and the second largest in the world by market capitalisation.

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