We’re Here To Help Lead Colorado To 100% Clean Energy.

The Colorado Solar and Storage Association (COSSA), formerly the Colorado Solar Energy Industries Association (COSEIA), is the state’s 30-year old solar and storage trade association. Our mission is to help advance solar and storage deployments, highlight emerging trends, and improve industry connections throughout our beautiful state. We’re here to serve our state and help lead Colorado toward its 100% clean energy goal.

Work with us. Together let’s build a cleaner future that works for all of us.

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Events for July 2019

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Calendar of Events

Calendar of Events
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Codes & Standards Committee

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Policy Committee

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Policy Committee

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Membership Call

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