Posted on March 5, 2025
- The global offshore wind industry is set to experience a resurgence in 2025, with capacity additions forecasted to reach 19 gigawatts and expenditures projected to hit $80 billion.
- Mainland China is leading the growth in offshore wind capacity, accounting for 65% of new capacity additions.
- Despite progress, the offshore wind industry faces challenges related to supply chain constraints, lease agreements, and US federal policy impacts.
The global offshore wind industry is poised for a rebound in 2025, with capacity additions expected to reach 19 gigawatts (GW) and sector-wide expenditure projected to hit $80 billion, according to research from Rystad Energy. This recovery follows a slowdown at the end of last year, when new installations dropped to approximately 8 GW — 2 GW lower than the year prior. A record wave of lease auctions is driving the resurgence, with the world’s largest offshore wind market, Mainland China, accounting for 65% of new capacity. With this increase, total additions will exceed the previous peak in 2021 by about 1 GW, surpassing the 7.7 GW added in 2024, 10.2 GW in 2023 and 9.3 GW in 2022.
While the floating wind sector has seen a recent rise in project announcements, it currently grapples with supply chain constraints similar to the bottom-fixed segment, where wind turbines are installed on fixed foundations in shallow waters. These challenges could hinder the advancement of floating wind technology in the short term, with capacity estimates of less than 7 GW by 2030. To overcome these hurdles, increased government support is crucial.
While new capacity additions demonstrate progress, uncertainty lingers regarding lease agreements — the long-term contracts between landowners and wind-energy companies. A record 55 GW of offshore wind capacity was offered in lease auctions globally (excluding Mainland China) in 2024. However, not all this capacity has yet been awarded, as offered capacity does not always translate into awarded capacity. For instance, the US saw no bids for its 3-GW floating wind auction in Oregon last year, while the Gulf of Maine auction awarded roughly 7 GW of the approximately 13 GW offered. Despite 2024’s record offerings, lease auction openings are projected to decline in 2025, with an expected 30-40 GW available. While significantly lower than 2024, this projected offered capacity is still significant, aligned with levels seen in 2021 and 2022.
Global offshore wind is set for a robust year in 2025; however, certain signals could affect its smooth upward trajectory. US federal policy is creating significant global ripple effects, hindering offshore wind development, especially where a large portion of auctioned capacity lies. President Donald Trump’s January memorandum halting new leasing and approvals on the Outer Continental Shelf (OCS), citing environmental and safety concerns, could last throughout his term, pausing new developments and creating continued uncertainty for ongoing projects,
Petra Manuel, Senior Offshore Wind Analyst, Rystad Energy
Learn more with Rystad Energy’s Offshore Wind Solution.
Project delays significantly impacted final investment decisions (FID) for new offshore wind projects in 2024, leading to a decline in project approvals. Notably, 2024 saw only a few US projects reach FID, including Empire Wind 1, Sunrise Wind and Costal Virginia Offshore Wind. We expect to see around the same level of FIDs this year as last in Europe and Asia, and some possible upside in the US with US Wind, Southcoast Wind and New England Wind projects obtaining offtake agreements and construction and operation (COP) approvals. The latter two just postponed signing offtake contracts until March this year.
Despite the slow pace of sanctioning in 2024, the year did have some bright spots. Developers advanced projects like Red Rock Power and ESB’s 1.1-GW Inch Cape in the UK and Equinor’s 810-MW Empire Wind 1 in the US. Inch Cape, which formally announced its financial close status in January 2025, secured 15-year contracts for difference (CFD) in both 2022 and 2024, providing revenue certainty and boosting investor confidence. Other wind farms reaching FID in 2024 include Iberdrola’s 315-MW Windanker in Germany, RWE and TotalEnergies’ 795-MW OranjeWind in the Netherlands, and Orsted’s 924-MW Sunrise Wind 1 in the US.
The UK, Poland and Germany are set to lead a surge in European FIDs in 2025, reaching 9.5 GW, with several projects in these countries on track for final approval. Poland in particular is expected to see multiple major wind farms reach FID, including Polenergia and Equinor’s Baltyk II and III, following the recent FID for Orsted and PGE’s Baltica 2 in late January 2025.
