2019 Cost of Wind Energy Review

Stehly, Tyler; Beiter, Philipp; Duffy, Patrick

doi:10.2172/1756710

Cited by 98 publications

(94 citation statements)

References 19 publications

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“…Figure 8 shows the average LCOE as a function of the flexibility range. The average LCOE values vary between 65 and 95 €/M W h, which is similar to the values described in the most recent technical reports [43,44]. It can be observed that the lowest LCOE is produced by the unchangeable system (case (iv)) followed by Strategy B and the baseline case.…”

Section: Size Of Flexibility Spacesupporting

confidence: 85%

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A flexibility-based approach for the design and management of floating offshore wind farms

2021

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Floating offshore wind farms have become a gateway to reach locations that are technically and economically infeasible to exploit using fixed platforms. However, the high capital investments and the uncertainty associated with the reliability, capacity factor, technology evolution, electricity demand, and regulatory frameworks negatively affect the cost of energy of this approach. Alternative strategies, such as designing for flexibility, have been shown to increase the value of engineering systems subject to highly uncertain environments. In this article, an analysis based on life-cycle costs and Monte-Carlo simulation is used to determine if floating wind farms with flexible installed capacity result in lower costs of energy than traditionally designed wind farms. Flexibility is introduced using an adaptable platform strategy and an over-dimensioned platform strategy. The results show that the adaptable platform strategy has the potential to reduce the cost of energy up to 18% by increasing the energy generation and the lifetime of some components of the wind farm. Nonetheless, the benefits of flexibility depend on new legislation that allows for lifetime extensions and proper flexibility management policies that utilize the potential built into the systems.

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Section: Size Of Flexibility Spacesupporting

confidence: 85%

“…Again, the parameters of the variables used in the example are summarized in Table 11. Function cf (t) represent a rapidly oscillating tendency between typical values reported in the literature [42,43,44]. The increment in the uncertainty over time is a modeling decision that attempts to capture the difficulty of predicting for such long time periods.…”

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confidence: 99%

A flexibility-based approach for the design and management of floating offshore wind farms

2021

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“…The wind turbine is the most important part of a wind power plant and comprises nearly 20% of the overall LCOE of a floating offshore wind project (Stehly, Beiter, and Duffy 2020). Wind turbines are designed to efficiently convert the kinetic energy of the wind to aerodynamic energy (which turns the blades), mechanical energy (which turns the generator), and ultimately electrical energy (which is delivered to the grid).…”

Section: Wind Turbine Technology Trendsmentioning

confidence: 99%

The Costs and Feasibility of Floating Offshore Wind Energy in the O'ahu Region

Shields

Duffy

Musiał

et al. 2021

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“…The value proposition for deploying AWE systems offshore is primarily related to reduced foundation size, which makes up a significant portion of the CapEx of fixed-bottom and floating traditional wind turbines (Stehly, Beiter, and Duffy 2020). The low overturning moments of a tethered system directly connected to the foundation can drastically reduce the size, and therefore the cost, of the support structure (Kruijff and Ruiterkamp 2018).…”

Section: Viability For Offshore Windmentioning

confidence: 99%

Airborne Wind Energy

Weber

Marquis

Cooperman

et al. 2021

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This section briefly describes the way in which this report addresses the congressional request regarding focus and scope, the consideration of AWE in relation to traditional wind energy, and the approach taken to develop the report. Addressing the Congressional Request: Focus and ScopeThis report describes technical analyses of various aspects of AWE provided to the U.S. Department of Energy (DOE) Wind Energy Technologies Office to underpin DOE's response to the congressional request for a report on AWE in the Energy Act of 2020, which states:-Not later than 180 days after the date of the enactment of this Act, the Secretary shall submit to the Committee on Science, Space, and Technology of the House of Representatives and the Committee on Energy and Natural Resources of the Senate a report on the potential for, and technical viability of, airborne wind energy systems to provide a significant source of energy in the United States.

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2019 Cost of Wind Energy Review

Abstract: 1 Project design life refers to the time in which the wind power plant is expected to operate (not referring to the turbine's design life for engineering or certification purposes).

Cited by 98 publications

References 19 publications

A flexibility-based approach for the design and management of floating offshore wind farms

A flexibility-based approach for the design and management of floating offshore wind farms

The Costs and Feasibility of Floating Offshore Wind Energy in the O'ahu Region

Airborne Wind Energy

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