Home Battery Storage Permit Requirements in Denver, CO (2025)
Last updated: June 2025
Denver, CO Bottom Line: Denver uses the Community Planning and Development (CPD) permit portal. Battery storage permits typically take 2–3 weeks. Fee: $225–$450 (valuation-based). Xcel Energy serves Denver and requires an interconnection application for grid-tied systems — budget 3–5 weeks in parallel. Denver has adopted the 2020 NEC.
How the Denver, CO Permit Process Works
Home battery storage installations in Denver, CO require an electrical permit. Denver uses the Community Planning and Development (CPD) permit portal. Battery storage permits typically take 2–3 weeks. Fee: $225–$450 (valuation-based). Xcel Energy serves Denver and requires an interconnection application for grid-tied systems — budget 3–5 weeks in parallel. Denver has adopted the 2020 NEC.
What You Need to Submit
- Permit application through the local permit portal
- Single-line electrical diagram your installer prepares
- Equipment spec sheets with UL 9540 listing
- Licensed electrical contractor info with state license number
- Site plan showing battery location and clearances
Tips for Fast Approval in Denver, CO
- Use an installer experienced with Denver, CO permits specifically
- Submit a complete package the first time to avoid resubmission delays
- Confirm the permit number before allowing installation to start
- Schedule inspection promptly after installation is complete
FAQ
See the bottom line section above for current typical review times. Your installer can give you a current estimate based on their recent project experience in Denver, CO.
Most reputable installers handling projects in Denver, CO file permits as part of their service. Confirm this is included in your quote and ask for the permit number once issued.
Informational only. Requirements change. Always verify with the local building authority before starting any project.