Fort Collins, CO Solar Energy: Panel Permits (2026)
Key Facts
- Board review trigger
- Small/medium system in established residential area
- Small system setback
- 15 ft from ROW, 5 ft other lines
- Medium/large fence
- 5-7 ft perimeter, Knox box required
- Large system setback
- 30 ft lines, 100 ft from residential zoning
- Idle-system rule
- 1 year unused triggers removal order
- Applies to
- Applications filed before May 17, 2024
Summary
Most solar installations in Fort Collins go through routine zoning compliance, but Section 3.8.32(F) of the Transitional Land Use Code pulls small- and medium-scale ground-mounted systems out of standard administrative review and requires Planning and Zoning Board approval whenever the system sits on an existing platted lot inside an established residential neighborhood.
(F)Use Restrictions in Established Residential Areas. Notwithstanding the use review criteria contained in the various zone districts set out in Article 4 (Type 1/Type 2 review), if either a small-scale solar energy system or a medium-scale solar energy system is located on an existing platted lot and within an established residential neighborhood, then such system must be processed as a permitted use subject to review by the Planning and Zoning Board.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Municipal Code: Supplement 155 | Transitional Land Use Code (for project before May 17, 2024): Supplement 61 | Traffic Code: Supplement 27).
Full Breakdown
5 to 5 acres) need a 5-to-7-foot perimeter fence with Knox-box access for Poudre Fire Authority; and large-scale systems (over 5 acres) must sit back 30 feet from every property line and 100 feet from residentially zoned land, with the same fencing and lighting standards. 32(C) requires ancillary equipment to be screened where feasible, glare and visual impacts minimized, and support structures finished to blend with the site, though panels themselves are exempt from certain screening rules. 32(E) lets the Building Official treat a solar system that has sat non-working for a full year as an unsafe structure under International Building Code Section 115, potentially forcing removal.
32(F) is the permit-process trigger: notwithstanding the Type 1/Type 2 review criteria that would otherwise apply, a small- or medium-scale system on an existing platted lot in an established residential neighborhood must be processed as a permitted use subject to Planning and Zoning Board review rather than administrative sign-off. These standards govern applications submitted before May 17, 2024, under the Transitional Land Use Code.
Violations & Fines
A small- or medium-scale system installed in an established residential neighborhood without the Planning and Zoning Board review required by Section 3.8.32(F) is not a validly permitted use and can be denied final inspection or a certificate of occupancy. Once installed, the Building Official can order removal of panels and equipment under International Building Code Section 115 if the system sits idle and out of working order for a full year, per Section 3.8.32(E), and require the site restored to its prior condition.
Frequently Asked Questions
Do I need special approval for rooftop solar panels on my house in Fort Collins?
How far back must a ground-mounted solar array sit from my property line?
Does a community solar farm need a fence?
What happens if solar panels stop working and sit unused?
Sources & Official References
Other rules in Fort Collins
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Panel Permits in Nearby Cities
How other cities in Larimer County handle panel permits.