Thornton, CO Solar Energy: Panel Permits (2026)
Key Facts
- Adopted code
- Colorado Model Electric Ready and Solar Ready Code (6-1-2023)
- Local citation
- Electric Ready and Solar Ready Code of the City of Thornton
- Cost-differential waiver cap
- Waived only until remaining differential reaches 1%
- Disaster waiver
- Available on appeal for declared-disaster hardship
- Effective ordinance
- Ord. No. 3772, §§ 2-3, eff. 6-9-26
Summary
New construction in Thornton must comply with the Colorado Model Electric Ready and Solar Ready Code, adopted in full under City Code Section 10-182 and renamed the Electric Ready and Solar Ready Code of the City of Thornton. The city can grant waivers for cost differential or natural-disaster hardship under Section 10-183, and continuing work after a stop-work order draws fines under the same section.
The Colorado Model Electric Ready and Solar Ready Code, as developed and published by the Colorado Energy Office on June 1, 2023, and as may be amended from time to time, is hereby adopted by this reference and incorporated into this Code as the Model Electric Ready and Solar Ready Code of the city. Except as otherwise provided in Section 10-183, the Colorado Model Electric Ready and Solar Ready Code is adopted in full.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 65).
Full Breakdown
Section 10-182 adopts, by reference, the Colorado Model Electric Ready and Solar Ready Code as published by the Colorado Energy Office on June 1, 2023, making it the city's governing standard for electric-ready and solar-ready wiring pathways and equipment provisions in new buildings, effective under Ordinance No. 3772 (June 9, 2026). 2). 2). 4 governing failure to comply with a stop-work order, and it repealed Section 109 of the model code in its entirety.
Violations & Fines
Anyone who continues work after being served with a stop-work order, other than work needed to correct the violation or unsafe condition, is subject to fines established by the City of Thornton under amended Subsection 108.4 of the code adopted at Section 10-182. Waivers from the code's requirements are available only on appeal and only for the two grounds specified in Section 10-183: declared-disaster hardship or a substantiated cost differential.
Frequently Asked Questions
What code governs solar-ready wiring for new construction in Thornton?
Can a builder get a waiver from Thornton's solar-ready code?
What happens if work continues after a stop-work order under this code?
Sources & Official References
Other rules in Thornton
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