After years of permits, approvals, and conditional decisions, one of the North Sea’s most ambitious offshore wind projects has finally crossed the point of no return. Vattenfall has reached a full Final Investment Decision for the Nordlicht cluster — two wind farms, more than 1.6 GW of combined capacity, and a construction timeline now firmly in motion.
It’s a milestone years in the making. Germany’s largest offshore wind project is no longer a plan — it’s a build.
From conditional to confirmed: how the final permit changed everything
The regulatory journey behind Nordlicht has been methodical, and deliberately so. In March 2025, Vattenfall took a full Final Investment Decision for Nordlicht I while simultaneously issuing a conditional FID for Nordlicht II — conditional on receiving the necessary permit from Germany’s Federal Maritime and Hydrographic Agency, known as the BSH. That condition has now been met.
The BSH issued planning approval for Nordlicht II in October 2025, providing the statutory basis for construction. What changed most recently is the status of that permit: it has become irrevocable.
That word carries real weight in project finance. An irrevocable permit can’t be challenged through legal proceedings or reversed by a regulatory authority after the fact. For investors, lenders, and contractors, it eliminates the last remaining category of uncertainty — the kind that freezes capital and stalls procurement. With the permit now irrevocable, Vattenfall has confirmed a full FID for the entire Nordlicht cluster. Nothing is contingent anymore.
Scale and scope: what the Nordlicht cluster actually looks like
Nordlicht I alone will be Germany’s largest offshore wind project. Together with Nordlicht II, the cluster will deliver a combined net capacity exceeding 1.6 GW — enough to supply clean electricity to a substantial share of German households while also supporting energy-intensive industries.
To put that figure in context: 1.6 GW of offshore wind capacity, operating at typical North Sea load factors, can generate electricity equivalent to the annual consumption of well over a million average European homes. A significant volume of CO₂ that would otherwise come from fossil-fuel generation gets displaced in the process.
Construction is already sequenced. Monopile installation for Nordlicht I is scheduled to begin in the third quarter of 2026, with Nordlicht II following approximately one year later. Both farms are targeted to be fully operational by 2028 — a tight but achievable timeline, given that procurement and engineering work will have been underway well before steel enters the water.
Low-emission steel and the carbon footprint of building green energy
There’s an often-overlooked tension in renewable energy infrastructure: building it requires energy-intensive industrial processes. Steel manufacturing ranks among the most emissions-heavy sectors in the global economy, and offshore wind turbines — with their large towers and foundations — consume enormous quantities of it.
Vattenfall has addressed this directly. Both Nordlicht I and Nordlicht II will feature turbine towers partially manufactured using low-emission steel, produced with significantly reduced carbon intensity compared to conventional steelmaking. According to Vattenfall, this design choice cuts the cluster’s overall carbon footprint by 16 percent.
That figure matters beyond the project itself. It reflects a broader industry shift toward decarbonizing the supply chains of renewable energy — not just the electricity those assets eventually produce. If offshore wind is to function as a genuine climate solution, the embodied carbon of its construction can’t keep being treated as secondary.
Nordlicht inside Vattenfall’s wider European ambition
Nordlicht doesn’t exist in isolation. Vattenfall is one of Europe’s largest offshore wind operators, and the cluster fits a recognizable pattern: large-scale projects spanning multiple jurisdictions, with an explicit emphasis on industrial decarbonization alongside household power supply.
A parallel milestone reinforces that picture. Last year, Vattenfall — together with Copenhagen Infrastructure Partners — secured an irrevocable permit for the Zeevonk offshore wind farm in the Netherlands. Carrying an installed capacity of 2 GW, Zeevonk is also designed to produce green hydrogen for Dutch industry, extending the value chain well beyond electricity generation.
Catrin Jung, Vattenfall’s Senior Vice President and Head of Business Area Wind, framed Nordlicht in explicitly strategic terms. “This project is about more than building offshore wind capacity — it’s about strengthening Europe’s competitiveness and reducing reliance on fossil fuels,” she said. Industrial decarbonization is an explicit goal, not a secondary benefit. The cluster is designed to power both homes and heavy industry with fossil-free energy for decades.
What comes next — and what it means for Germany’s energy transition
Germany’s Energiewende — its long-running shift away from fossil fuels and nuclear power — has faced repeated criticism for moving too slowly. Nordlicht’s timeline is calibrated to support an accelerated version of that transition, with the 2028 operational target placing both farms online at a moment when Germany will still be managing significant gaps in its clean energy supply.
The milestones worth watching are now clearly defined. Monopile installation for Nordlicht I begins in Q3 2026 — a visible, trackable indicator of physical progress. Nordlicht II construction is expected to follow around 2027, with first power generation from the cluster targeted for 2028.
Beyond the megawatts, completing the project would reduce Germany’s dependence on imported fossil fuels at a time when European energy security remains a pressing concern. For a continent still recalibrating its energy relationships, 1.6 GW of domestically generated, weather-driven electricity carries strategic value that goes well beyond the capacity number. The build has begun. The question now is execution.
Carlos is an engineer with strong expertise in technical and industrial topics. He previously worked at international companies such as Siemens and speaks Spanish, German, English, and Italian.
