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Summary: This Tip discusses the regulations for renewable energy and solar-ready roofs for commercial buildings as outlined in the 2015 Seattle Energy Code. The “Commercial Building” provisions in the Energy Code have two different rules relating to solar energy. 1. A smaller renewable (solar) energy system that you install at the time of construction. (Section C411) 2. A solar-ready roof to facilitate a larger solar energy installation in the future. (Section C412)

Date Revised: 05/23/2017

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