This video by the U.S. Department of Energy explains what a zero energy buildings is and how it works.

What are zero energy buildings?

A zero energy home or building is one in which energy efficiency is maximized, the capacity to meet the building’s energy needs with renewable energy sources has been enabled, and site and community-based renewables are prioritized.

What is a zero energy ready building?

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ZERO ENERGy ready

  • Zero energy ready buildings are designed and built to the same high energy efficiency standards as zero energy buildings.

  • It's a highly-efficient building that generates as much energy as it uses over the course of a year.

  • A zero energy ready building is a building that would be zero energy with the addition of solar panels.

  • The U. S. Department of Energy Zero Energy Ready Home Program certifies zero energy ready homes across the country, including in Oregon.