The floating offshore wind industry is in its early stages of development but is poised for rapid growth, with full commercialization possible in a little over a decade, according to a recent DNV survey.
However, the industry faces challenges, including a lack of port infrastructure and anchor handlers, high cost, as well as an abundance of different concepts that make standardization difficult.
According to DNV's research, which surveyed 244 developers, investors, manufacturers, advisors, and operators around the world, found that 60% of respondents think floating offshore wind will reach full commercialization by 2035, with 25% believing it will be as early as 2030.
"Reaching these targets is ambitious, but early signs are promising, with 60% of organizations with revenue-producing businesses in wind expecting to increase investment in floating offshore wind in 2023," DNV said.
Ditlev Engel, CEO, Energy Systems at DNV said: "DNV predicts that by 2050, 15% of all offshore wind installed capacity will come from floating turbines. However, barriers must be overcome."
Per DNV, reaching full commercialization will depend, in part, on the investment potential of key markets.
Market size was cited by 21% of respondents as the first criteria for choosing a market to invest in, followed by regulatory and political stability (16%), and power grid suitability (12%).
"For floating offshore wind to scale-up, it is paramount that its levelized cost of energy (LCOE) drops as much and as quickly as possible. DNV’s Energy Transition Outlook forecasts that levelized costs for floating offshore wind will fall by almost 80% by 2050," DNV said.
DNV said that 21% of survey respondents believed that standardization - either through a reduction in the number of concepts or the emergence of a preferable concept will be the biggest factor for LCOE reduction.
Bigger turbines and industrialization come next, closely followed by larger wind farms (allowing for economies of scale and greater installed capacity). Standardization was also cited by the industry as a crucial factor to mitigate risk, DNV said.
Furthermore, DNV said that supply-chain challenges also come into play, as the offshore wind sector is battling high commodity prices and capacity limitations. The top risk cited by floating wind professionals was a lack of port infrastructure.
The second biggest risk cited was installation vessel availability, tied with capacity.
"While floating wind is generally not reliant on the advanced and bespoke vessels used in bottom-fixed offshore wind, the sheer number of mooring and anchoring installation vessels and the capabilities required could be a challenge for the industry, as more moorings and anchors are set to be installed over the next 10 years than have ever been seen in the oil and gas industry," DNV said.
“Commercial attractiveness will rely on cost reduction and capture prices in various markets. Cost reduction does not happen by waiting, which makes it crucial that the first generation of larger floating windfarms are installed by 2030, to deliver on the promising outlook for floating wind,” explains Magnus Ebbesen, Segment Lead Floating Offshore Wind at DNV.
According to DNV, about 300 GW of floating offshore wind will be installed globally in the next 30 years, requiring around 20,000 turbines, each mounted on top of floating structures weighing more than 5,000 tonnes and secured with so many mooring lines that if they were tied end-to-end, they would wrap around the world twice.
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