Glossary

Terms for Architecture, Green Building & Energy

This glossary includes more than 300 solar terms, as well as hundreds of additional sustainable design and construction terms.

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Renewable Energy Credits (RECs)

Definition: The “green” or renewable attribute of electricity that is generated utilizing a renewable energy resource. For example, a wind turbine that produces 1 MWh of electricity has produced 1 REC which, in some electricity markets, can be sold separately from the electrical power.