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Solar PV / Solar Energy System Permit in Unincorporated Duchesne County, Utah

Duchesne County publishes no distinct solar or solar-PV permit, application, or fee line item. The county's own guidance document, 'What Buildings Require a Building Permit?' (revised August 26, 2016), directly addresses solar: 'Other permits may be required for Electrical, Plumbing and HVAC equipment that are to be installed in or on the building. This includes electrical solar systems, wind generators and other alternative systems.' A rooftop or ground-mounted solar PV installation is therefore processed as an electrical-permit component of the standard Building Permit process, priced under the same valuation-based Building Permit Fee, Plan Review Fee, and 1% State Surcharge documented for the Residential and Commercial Building Permits in this file — confirmed independently against the July 2023 Permit Packet (no 'solar' mention anywhere in its 14 pages) and the County Land Use Fee Schedule (Ordinance #25-416, February 2025), which covers only zoning/subdivision/conditional-use fees and likewise contains no solar line item.

Verified 2026-07-21 · Source

When you need this permit

  • Installation of a rooftop-mounted or ground-mounted solar PV (photovoltaic) system, or another 'alternative system' such as a small wind generator, on a property in unincorporated Duchesne County (or the Towns of Altamont/Tabiona, which fully contract building-permit review to the county)
  • Electrical plan showing the solar array wiring, inverter location, disconnect, and point of interconnection to the building's electrical service, per the county's general 'Other permits may be required for Electrical...equipment' guidance covering solar systems
  • If the installation involves new structural mounting (e.g., a ground-mount rack or a roof structural modification), the same site plan and structural submittal requirements documented for the Residential/Commercial Building Permit apply
  • Licensed electrical contractor's name, business address, phone number, and Utah state license number submitted with the application, or an Owner/Builder exemption form if self-installed Owner-builder

Required documents

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Fee schedule

Building Permit Fee (Valuation-Based)Duchesne County Permit Packet (dated July 1, 2023) — same generic valuation methodology documented for the Residential and Commercial Building Permits; the county does not publish a separate solar valuation table or flat fee.
Calculated from the county-adopted cost-per-square-foot/valuation table published in the August issue of the ICC Building Safety Journal, applied to the solar installation's estimated construction cost valuation
Plan Review FeeDuchesne County Permit Packet (dated July 1, 2023) — same range documented for other permit types; not confirmed to be solar-specific.
35% to 65% of the building permit fee
State SurchargeDuchesne County Permit Packet (dated July 1, 2023); required on all issued building permits statewide.
1% of the building permit fee
Card/E-Check Processing FeeDuchesne County Permit Packet (dated July 1, 2023), 'Permit Fees' section.
2.5% of fees paid for debit/credit card; $0.75 flat fee for E-check

Review timeline

Plan review
Not published — contact the department

How long did your Solar PV / Solar Energy System Permit permit actually take in Unincorporated Duchesne County?

Anonymous — one question, no email. Answers are combined and only shown once at least 5 people have reported.

Inspection process

  1. 1

    Electrical Inspection

    Rough and final inspection of the solar array wiring, inverter, disconnect, and interconnection, part of the standard building-permit inspection sequence (Rough Electrical and Final Electrical items).

See the full Unincorporated Duchesne County inspection guide — scheduling & re-inspection fees →

Tips

  • Duchesne County's own guidance document 'What Buildings Require a Building Permit?' (revised August 26, 2016) explicitly names solar: 'This includes electrical solar systems, wind generators and other alternative systems' in the context of permits required for electrical equipment installed in or on a building — confirm the electrical-permit scope and fee directly with the Department of Building Safety, (435) 738-1150, before applying.
  • The county's Printable Forms page (duchesne.utah.gov/gov/dept/building-inspector/rename-04/) lists only an Owner Builder form, a Tiny Home Information Sheet, a Project Contractor List, and a Permit Info Sheet — no standalone electrical or solar permit application, confirming solar is filed through the same general Building Permit Application. Owner-builder
  • The County Land Use Fee Schedule (Ordinance #25-416, adopted February 2025) covers zoning/subdivision fees (minor subdivision, plat amendment, variance, conditional use permit, etc.) and contains no solar, electrical, or building-permit line item — it is a separate fee schedule from the Department of Building Safety's valuation-based building permit fees.

Frequently asked questions

Unincorporated Duchesne County requires a solar pv / solar energy system permit for: Installation of a rooftop-mounted or ground-mounted solar PV (photovoltaic) system, or another 'alternative system' such as a small wind generator, on a property in unincorporated Duchesne County (or the Towns of Altamont/Tabiona, which fully contract building-permit review to the county); Electrical plan showing the solar array wiring, inverter location, disconnect, and point of interconnection to the building's electrical service, per the county's general 'Other permits may be required for Electrical...equipment' guidance covering solar systems; If the installation involves new structural mounting (e.g., a ground-mount rack or a roof structural modification), the same site plan and structural submittal requirements documented for the Residential/Commercial Building Permit apply; Licensed electrical contractor's name, business address, phone number, and Utah state license number submitted with the application, or an Owner/Builder exemption form if self-installed. If your project isn't listed, confirm with Duchesne County Department of Building Safety at (435) 738-1150 before starting work.

No. Duchesne County publishes no distinct solar or solar-PV permit, application, or fee schedule. Its own guidance document, 'What Buildings Require a Building Permit?' (revised August 26, 2016), states that 'electrical solar systems, wind generators and other alternative systems' require a permit for the electrical work, processed under the same general Building Permit Application and priced using the same valuation-based Building Permit Fee, 35%-65% Plan Review Fee, and 1% State Surcharge that apply to any other building permit.

Unincorporated Duchesne County does not publish a plan-review timeline for this permit. Contact Duchesne County Department of Building Safety at (435) 738-1150 for current turnaround.

You'll need: Building Permit Application; Electrical Plan for Solar Array. Depending on your project, Unincorporated Duchesne County may also ask for: Structural Mounting Detail. See the required-documents checklist on this page for details on each.

Unincorporated Duchesne County requires 1 inspection(s) for a solar pv / solar energy system permit, in order: Electrical Inspection. Schedule each through Duchesne County Department of Building Safety ((435) 738-1150).

Apply through Duchesne County Department of Building Safety at 734 North Center Street, P.O. Box 317, Duchesne, UT 84021-0317. Phone: (435) 738-1150, email: Building@duchesne.utah.gov. Office hours: Mon–Fri 8:30 AM – 5:00 PM (closed state and federal holidays); Planning & Zoning zoning-clearance line (435) 738-1135 or 1152. Official information: https://duchesne.utah.gov/gov/dept/building-inspector/.

Unincorporated Duchesne County, Utah has adopted: 2024 International Building Code (IBC), including Appendices C and J — Utah Code § 15A-2-103(1)(a); current edition as of July 1, 2026 (2021 edition governed through June 30, 2026); 2021 International Residential Code (IRC), plus Appendix AQ of the 2021 IRC — Utah Code § 15A-2-103(1)(b)/(c); unchanged by the July 1, 2026 revision — still the current edition; 2024 International Plumbing Code (IPC) — Utah Code § 15A-2-103(1)(d); current edition as of July 1, 2026 (2021 edition, including Utah amendment P2602.3 (individual water supply), governed through June 30, 2026 — confirm the amendment still applies against the 2024 base edition); 2024 International Mechanical Code (IMC) — Utah Code § 15A-2-103(1)(e); current edition as of July 1, 2026 (2021 edition governed through June 30, 2026); 2024 International Fuel Gas Code (IFGC) — Utah Code § 15A-2-103(1)(f); current edition as of July 1, 2026 (2021 edition governed through June 30, 2026); 2024 International Energy Conservation Code (IECC) — Utah Code § 15A-2-103(1)(h); current edition as of July 1, 2026 (2021 edition governed through June 30, 2026); statute has no residential/commercial split — one edition applies to both; 2024 International Existing Building Code (IEBC) — Utah Code § 15A-2-103(1)(i); current edition as of July 1, 2026 (2021 edition governed through June 30, 2026); 2024 International Swimming Pool and Spa Code (ISPSC), residential provisions — Utah Code § 15A-2-103(1)(n). ADDED 2026-07-16: this code is not listed on Duchesne County's own permit materials, but it is adopted statewide by statute, so it applies here regardless of the county page's omission.; 2023 National Electrical Code (NEC) — Utah Code § 15A-2-103(1)(g); statewide in force, unchanged by the July 1, 2026 revision; Utah State Amendment to IBC Section 1807 (Empirical Concrete Foundation Design, Table 1807.1.6.4) — Duchesne County Permit Packet, dated July 1, 2023; Utah Wildland Urban Interface Code — adopted under Utah Code § 15A-2-103; a Pre-site/WUI evaluation is a required inspection for new construction in Duchesne County; NOTE (verified 2026-07-16 against the live Utah Code § 15A-2-103 text, version headed 'Effective 7/1/2026 / Superseded 1/1/2027'): the 2024 editions of IBC, IPC, IMC, IFGC, IECC, and IEBC listed above took effect July 1, 2026, replacing the 2021 editions; IRC (2021) and NEC (2023) did not change. The 1/1/2027 version of the statute carries identical editions, so no further flip is expected then. This file previously forecast this change but still led with the 2021 editions as current — corrected on this date.. Local amendments apply — see the Unincorporated Duchesne County overview page for the full list.

Other permits in Unincorporated Duchesne County

Residential Building PermitCommercial Building PermitCommercial Tenant Improvement / Tenant Finish PermitEV Charger / EVSE PermitSign PermitFire Sprinkler / Fire Alarm PermitChange of Use Building Permit

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