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

CoverDeveloped 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): Understanding Energy series. This one describes the layers of the energy pyramid, a guide for making informed energy decisions.


  • Alternative energy
  • Assessment: importance scale survey and energy audit
  • Conservation and efficiency
  • Cost and complexity


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