Wind Power Costs Driven by Innovation and Experience with Further Reductions on the Horizon

Philipp Beiter, Aubryn Cooperman, Eric Lantz, Tyler Stehly, Matt Shields, Ryan Wiser, Thomas Telsnig, Lena Kitzing, Volker Berkhout, Yuka Kikuchi

Research output: Contribution to journalArticlepeer-review

19 Scopus Citations


The costs of wind power have declined to levels on par with or below those of conventional sources in many parts of the world. Wind power has become one of the fastest-growing sources of new electricity generation. We take stock of wind power cost evolution over the past 20 years, review methodologies commonly used for cost assessment, discuss the potential for continued cost reduction, and identify anticipated cost and value drivers. Our scope includes both onshore and offshore wind technologies. We draw from a vast body of literature on these topics to highlight key trends, approaches, and limitations. Furthermore, we discuss strategies for wind power assets to enhance their marginal economic value to the broader power system and consumers. We identify a myriad of factors that are expected to influence the future cost and value of wind power, including siting, project scale, turbine size, operational synergies, commodity prices, advancements in turbine technologies, enhanced management of the wind resource, and novel control technologies that provide value for the electricity grid. Because the common methods for forecasting future costs each have their own strengths and weaknesses, we find the best insights are elicited from a combination of methods. Overall, researchers and analysts anticipate further sizable cost reductions for onshore and offshore wind. Midrange forecasts for levelized cost of energy in 2050 are generally between $20 and $30/MWh for onshore wind and $40 and $60/MWh for offshore wind, a reduction to approximately half of today's levels. Optimistic forecasts anticipate these levels as early as 2030. This article is categorized under: Wind Power > Economics and Policy.

Original languageAmerican English
Article numbere398
Number of pages20
JournalWiley Interdisciplinary Reviews: Energy and Environment
Issue number5
StatePublished - 2021

Bibliographical note

Publisher Copyright:
© 2021 Wiley Periodicals LLC.

NREL Publication Number

  • NREL/JA-5000-78631


  • cost drivers
  • cost projections
  • costs
  • levelized cost of energy
  • value drivers
  • wind
  • wind value


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