After a record year in 2021, projections suggest that global offshore wind may reach 712 farms, 29,000 turbines and 235 GW by 2030, including 96 farms, 1,300 turbines and 14.5 GW in floating facilities.
Stephen Gordon
Offshore wind continues to play a vital role in the global Energy Transition. It was another record breaking year in 2021 for the offshore wind industry, with record start-ups (84 farms, 18.5 GW, 3,400 turbines) increasing global active capacity 58% to an all- time high of 50.5 GW, Fig. 1. This takes offshore wind to approximately 0.3% of total global energy supply: our energy transition modeling suggests this could reach 6% to 9% by 2050 and generate 4,870 TWh to 5,990 TWh of power.
Fig. 1. Exemplified by this wind farm complex offshore northern Germany, active offshore wind capacity shot up 58% during 2021. Image: RWE.
China led the way for new capacity additions and overtook the UK as the largest offshore wind market. The country has 16 GW coming online, mostly in the final two months of 2022, ahead of the expiration of a government subsidy deadline at the end of the year. New capacity additions were more modest in Europe, as 1.8 GW were fully commissioned, with 17 GW currently under development in the region.
Fig. 2. Under construction offshore Massachusetts, Vineyard Wind is the first utility-scale offshore wind project in U.S. federal waters of the Atlantic. Map: Vineyard Wind JV.
Offshore wind project CAPEX commitments reached $44.6 billion in 2021 (the second-highest total on record), with a number of significant projects reaching FID. These include the first utility-scale offshore wind project in the U.S. (Vineyard Wind, 806 MW, Fig. 2). In Europe alone, $18.7 billion of project CAPEX were committed to offshore wind projects (compared to the $10.3 billion committed to offshore oil and gas projects).
The crown jewel in European projects is Dogger Bank Wind Farm. It is an offshore wind farm being developed in three phasesDogger Bank A, B and Clocated between 130 km and 190 km from the North East coast of England at their nearest points, Fig. 3. Collectively, these phases will become the worlds largest offshore wind farm. Each phase will have an installed generation capacity of 1.2 GW and represents a multi-billion pound investment. Combined, they will have an installed capacity of 3.6 GW and will be capable of powering up to 6 million homes.
Fig. 3. The jack-up vessel that will enter service for the first time to install the turbines on Dogger Bank Wind Farm was officially launched in January 2022. Image: Dogger Bank Wind Farm.
The wind vessel market continued to evolve, reaching nearly 1,100 vessels by years end. Global wind turbine installation vessel (WTIV) utilization averaged 83% during 2021 (up 6 percentage points y-o-y), while exceptional demand for vessels off China consistently kept utilization over 90% in the second half of the year. Rates responded, with the average dayrate assessment for third-generation WTIVs in Europe up 18% across the year, in addition to increases in the commissioning/service operation vessel (C/SOV) market. Dayrates reportedly quadrupled off Guangdong in China during the middle of the year.
Record newbuild investment developed during 2021, with over $4 billion of orders placed and increasing focus on alternative fuels and Energy Saving Technologies (ESTs). This included over 17 (plus 9 options) WTIV newbuild contracts placed (totaling ~$2.5 billion), the highest yearly total on record, while 15 C/SOVs were ordered (totaling ~$800 million), also the highest number on record, plus 39 CTV contracts placed.
Both OEMs and wind farm developers came under pressure from rising material costs in 2021. Chinese steel prices averaged $827/tonne during the year (up 47% y-o-y), while annual average copper prices increased 51% to $9,317/tonne. Lower-than-average wind speeds in much of Europe also limited power output from offshore wind farms, reducing the volumes that operators could sell into the market. Offshore wind farms in Germany generated 23.5 TWh of power in 2021, compared to 26.9 TWh in 2020.
Power prices in Europe surged in 2021, due to a tightness of gas supplies and lower average wind speeds. Day-ahead electricity prices averaged 97.75/MWh in Germany in 2021 (more than triple their level in 2020) and 103.55/MWh in the Netherlands (up 236%, y-o-y).
During 2022, we are projecting a healthy 9.5 GW of offshore wind capacity will come online (involving 1,400 turbines), bringing the fully commissioned global total to 60.0 GW. Offshore wind CAPEX commitments are expected to total some $55 billion, just below the record of $56 billion in 2020.
Our longer-term projections suggest that the global offshore wind sector may reach 712 farms involving over 29,000 turbines and 235 GW by 2030 (current capacity: 250 farms, 10,800 turbines, 50.5 GW).
FLOATING OFFSHORE WIND
Within the overall offshore wind market are floating offshore wind installations and projects. While floating wind is only a small part of the offshore wind industry today (only 10 projects of 124 MW are active, with a further 8 projects of 165 MW under construction), strong growth is expected from the middle of the 2020s as the sector reaches commercialization. Our projections suggest that 96 farms, 14.5 GW and 1,300 turbines could be active by 2030.
Floating wind is likely to open up new regional markets, where development has, so far, been unfeasible. Countries with significant numbers of floating wind projects already proposed include the UK (31.1 GW), Australia (13.8 GW) and the U.S. (10.7 GW). Over 150 floating offshore wind projects (totaling over 100 GW) have been mooted by developers in 21 countries/regions, with 37 having nameplate capacities >1 GW.
As the floating sector moves toward commercialization, the industry has proposed a variety of foundation designs (at least 12). Semi-sub foundations are the most common design in projects proposed (over 1,200 mooted, compared to the combined ~350 across spar, barge and TLP turbine solutions).
Fig. 4. Equinors Snorre and Gullfaks platforms offshore Norway will be powered by the firms Hywind Tampen floating offshore wind farm.
Floating wind poses new installation challenges for developers, and our analysis has examined which contractors and yards have already been active in the sector. Weve also looked at the demands on the installation and support fleet, port infrastructure and the unique maintenance requirements of floating wind farms.
Leading developers of floating wind to date include Equinor (2 farms, 32 MW active, with 1 farm / 88 MW under development); Cobra (2 farms, 50 MW active); Ocean Winds (1 farm, 30 MW active); and Windplus (1 farm, 25 MW active). In terms of potential capacity, leading developers include BlueFloat (8.5 GW); Hexicon (7.7 GW); Oceanex (7.4 GW); Aqua Ventus (5.1 GW); and Scottish Power (5.0 GW). Contractors involved in turbine installation to date have included DOF Subsea (11 turbines under development); Saipem (5 turbines installed); Bourbon (5) and Boskalis (5).
Equinor is developing the first floating offshore wind farm, Hywind Tampen, to supply renewable power to oil and gas installations in Norway, Fig. 4. The Snorre and Gullfaks oil and gas platforms will be the first ever powered by a floating offshore wind farm.
The broader offshore wind industry continues its exciting growth phase. Our long-term scenarios suggest offshore wind will play a vital role in energy transition and may provide between 6% and 9% of global energy supply by 2050. Data as of February 2022: for updates contact Clarksons.
Stephen Gordon has been global head of Clarksons Research since 2012 and leads a team of 150 experts providing widely respected data and intelligence around shipping, trade, offshore and energy. Clarksons processes and analyzes millions of data points each day, supporting thousands of organizations across the maritime.
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