Search results for: “offshore wind”
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Offshore wind: capacity by country and forecasts?
Global offshore wind capacity stood at 60GW at the end of 2022, rising at 8GW pa in the past half decade, comprising 7% of all global wind capacity, and led by China, the UK and Germany. Our forecasts see 220GW of global offshore wind capacity by 2030 and 850GW by 2050, which in turn requires…
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Offshore wind: installation vessels and time per turbine?
Wind turbine installation vessels are estimated to cost $100-500/kW in the breakdown of a typical offshore wind project’s capex. Total offshore construction time is around 10 days per turbine. Wind turbine installation vessel use averages around 5 days per turbine. Data from past projects are tabulated in this data-file.
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Offshore wind: levelized costs?
This model estimates the levelized cost of offshore wind at 13c/kWh, to generate a 7% IRR off of capex costs of $4,000/kW and a utilization factor of 40-45%. Each $400/kW on capex adds 1c/kWh and each 1% on WACC adds 1.3 c/kWh to offshore wind levelized costs.
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Offshore wind: installation costs by vessel?
An offshore wind project is likely to cost $2,500/kW, of which c$1,500/kW is turbines and $1,000/kW is offshore installation costs. This data-file aims to estimate the breakdown by vessel type, day-rates and costs per turbine.
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Floating offshore wind: what challenges?
This data-file ranks the greatest challenges for the floating offshore wind industry, by reviewing 50 recent patents, filed by leading companies. The challenges are relatively immutable. They likely double capex and levelized costs, compared with traditional offshore wind.
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Floating offshore wind: what challenges?
A dozen challenges for floating offshore wind projects are ranked in this 4-page note, by reviewing 50 recent patents across the industry. We model these challenges are likely to double capex and levelized costs, compared with traditional offshore wind. The potential for floating offshore wind is also location dependent.
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Offshore wind costs are inflating?
This data-file tabulates the capex costs of 35 offshore wind projects in the UK, with 8.5GW of capacity, which have been installed since the year 2000. There is little evidence for deflation. Rather, breakeven power prices appear to have risen at a 2.5% CAGR over the past decade. Our modelling is show in the data-file.
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Offshore wind: will costs follow Moore’s Law?
Some commentators expect the levelized costs of offshore wind to fall another two-thirds by 2050. The justification is some eolian equivalent of Moore’s Law. Our 16-page report draws five contrasts. Wind costs are most likely to move sideways, even as the industry builds larger turbines. Implications for developers are explored.
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Offshore wind: the lion, the witch and the wardrobe?
This 14-page report re-visits our wind industry outlook. Our long-term forecasts are reluctantly being revised downwards by 25%, especially for offshore wind, where levelized costs have reinflated by 30% to 13c/kWh. Material costs are widely blamed. But rising rates are the greater evil. Upscaling is also stalling. What options to right this ship?
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Windy physics: how is power of a wind turbine calculated?
This data-file is an overview of wind power physics. Specifically, how is the power of a wind turbine calculated, in MW, as a function of wind speed, blade length, blade number, rotational speed (in RPM) and other efficiency factors (lambda). A large, modern offshore wind turbine will have 100m blades and surpass 10MW power outputs.
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