Editor’s note
The following abstract describes a publication that is only available as a downloadable PDF.

Developed by Montana State University Extension and the University of Wyoming
Adapted with permission

This guide is one in the Exploring Energy Efficiency and Alternatives (E3A): Small Wind Energy Applications for the Home, Farm or Ranch series. This one provides suggestions that will help you estimate system size and energy production without relying on manufacturer-defined terms.


  • Annual energy output
  • Cut-in speed
  • Cut-out speed
  • Determining system size
  • Generator size
  • Maximum design wind speed
  • Peak output
  • Power curves
  • Rated output
  • Rated power
  • Rated wind speed


  • 4