Iberdrola accelerates offshore wind development. The Spanish company began building its seventh offshore wind park worldwide, East Anglia Three, off the United Kingdom. The facility aims to start production in 2025 with a capacity of 1,400 MW, delivering clean power to about 1.3 million homes.
Across from this project lies the East Anglia Hub, a plans-based coastal expansion near the Norfolk coast to the London area. The vision includes East Anglia One North and East Anglia Two along with the existing East Anglia One project operated by the company through its ScottishPower subsidiary. East Anglia One has a capacity of 714 MW. This strategic cluster represents one of the largest offshore wind ventures by Iberdrola and its partners, with a total investment around 6.5 billion pounds (roughly 7.7 billion euros) for a clean energy installation totaling 3,000 MW.
In addition to East Anglia, Iberdrola has brought online the West of Duddon Sands facility with 195 MW, the Irish Sea project, and the Wikinger project in the Baltic region with 350 MW. The company also has three major offshore projects under construction in Major European markets: Saint-Brieuc in France, around 500 MW; Vineyard Wind 1 in the United States, 806 MW; and Baltic Eagle in Germany, 476 MW. A third Marine project, Windanker at 300 MW, will join Wikinger and Baltic Eagle. Together, these facilities form one of the largest offshore wind complexes in the Baltic Sea, with a total installed capacity of about 1,100 MW.
Iberdrola is a prominent electricity provider guided by the strategy of offshore wind. In Spain, onshore wind power faced pressure two decades ago, but offshore wind has surged. Today, more than 5,500 MW, or 78.5% of the 7,000 MW of wind power under construction or secured through long-term PPAs, are offshore projects. Offshore wind has already accounted for roughly 30% of the group’s new installed capacity by midyear, underscoring the shift toward large-scale marine energy.
More than a hundred mills
East Anglia Three will cover up to 305 square kilometers and will require the installation of more than 100 new generation turbines. Each turbine will tower to 247 meters, a height two and a half times that of Big Ben. The project includes four marine substations in an offshore platform that will host operations and four submarine cables exporting energy to shore. The wind farm will be located 69 kilometers offshore, illustrating the scale of this energy corridor.
Iberdrola is part of the broader East Anglia development program and plays a critical role in supporting the UK and European offshore wind supply chain. The initiative is expected to generate significant employment, with thousands of roles linked to construction, operations, and ongoing maintenance, reinforcing regional energy resilience and long-term economic activity.