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Related Experiment Videos

Limits to wind power utilization.

Science (New York, N.Y.)

|April 6, 1979

Summary

Global wind energy potential is capped at 1.3 x 10^14 watts, with U.S. limits at 2 x 10^12 watts. This study explores noneconomic factors and site requirements for maximizing wind power generation.

Area of Science:

Renewable Energy
Atmospheric Science
Environmental Engineering

Background:

Growing global interest in wind energy necessitates understanding its ultimate power extraction limits.
Noneconomic factors significantly influence the total achievable power from wind resources.
Previous assessments often overlook macroscopic, non-technical constraints.

Purpose of the Study:

To determine the upper global and continental limits of wind energy extraction.
To identify key noneconomic factors that constrain wind power potential.
To explore the implications for site selection and resource utilization.

Main Methods:

A macroscopic approach was employed to analyze wind energy potential.
Examination of atmospheric and geographical factors influencing large-scale energy capture.

Related Experiment Videos

Estimation of theoretical power limits based on physical and environmental considerations.

Main Results:

An upper global limit for wind energy extraction was estimated at 1.3 x 10^14 watts.
A sublimit for the continental United States was calculated to be 2 x 10^12 watts.
Conclusions were drawn regarding the types of sites necessary to approach these maximums.

Conclusions:

Wind energy possesses a vast potential, exceeding many other renewable sources, even within calculated limits.
Strategic site utilization is crucial for realizing the full potential of wind power.
Understanding these noneconomic constraints is vital for future energy planning and development.