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Tips
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: 04/24/2025
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