Shaping the Future of Power.
Colorado Solar and Storage Association (COSSA) is the voice of Colorado’s solar and energy storage industries—advocating, educating, and driving progress.
Get Started with COSSA
COLORADO SOLAR & STORAGE ASSOCIATIONOur organization is dedicated to fostering growth, leadership, and community engagement among our members. Through a diverse range of programs and events, we empower individuals to make meaningful contributions locally and beyond.
About COSSA
Shaping the Future of Power.
Shaping the Future of Power.
Join COSSA Today!Membership Benefits
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Influence Policy
Gain a seat at the table where energy policy is made. COSSA advocates on your behalf at the state and local level—keeping you informed, protected, and influential in the decisions that affect your bottom line.
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Grow Your Network
Tap into a growing network of solar and storage professionals, innovators, and decision-makers. COSSA events, working groups, and member meetups help you build strategic relationships and unlock new business opportunities.
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Stay Informed
Access the latest intelligence on market trends, regulatory updates, and utility developments. COSSA keeps you informed so you can make better decisions and stay ahead of the curve.
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Boost Your Visibility
Stand out as a leader in Colorado’s energy future. Membership signals your commitment to a resilient, innovative energy economy and puts your company in front of partners, clients, and policymakers.
Learn more or become a member today!
COSSA by the Numbers
120
Days of Advocacy
Our lobbyist is at the Capitol every day of Colorado’s 120-day legislative session.
$10.7M
Battery Rebates Secured
Including $627K for low-income households through the Renewable Battery Connect program.
Hours at the PUC
Our legal teams log thousands of hours annually to protect and advance solar and storage.
4,000+
280
Member Companies
A powerful coalition across installation, development, storage, manufacturing, and more.
15+
Regulatory Cases a Year
We’re in the trenches shaping outcomes that directly impact your business.
$8.4B
Colorado Solar Market
Colorado’s solar economy is thriving, and our members are leading the charge.
Upcoming Events
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![Energy Legislative Luncheon]()
Energy Legislative Luncheon
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![2026 Solar Power and Energy Storage Mountain West]()
2026 Solar Power and Energy Storage Mountain West
Cossa Signature Events
Become a Member
Your involvement allows us to engage in communities across the state, defend our legal rights to operate, maintain regulatory engagement, and be politically active in key areas of Colorado. Learn how to get involved today.