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Solar / Solar PV Installation Permit in Unincorporated Millard County, Utah

Millard County does not publish a distinct residential or commercial rooftop/building-mounted solar or solar photovoltaic (PV) installation permit, application, or fee. Neither the county's Building Inspection Department page, its Forms page, nor the county's combined Electrical/Mechanical/Plumbing/Stucco building permit application carries a separate solar-specific line item — rooftop/building-mounted solar PV installation is electrical work and is billed under the same general Electrical Permit line item used for all other electrical work ($45.00 residential, $75.00 commercial/pivot), the identical pattern as the EV Charger/EVSE Permit. This entry covers customer-sited (rooftop or ground-mount, building-connected) solar PV installation only — it is distinct from the large-scale utility solar generation facilities sited in Millard County (e.g., ECG Utah Solar 1, Pavant Solar), which go through the county's separate land-use/zoning Conditional Use Permit process for major solar energy generation facilities, not the building permit process.

Verified 2026-07-21 · Source

When you need this permit

  • Installation of a rooftop or building-mounted solar photovoltaic (PV) system at a residential or commercial property
  • New or modified electrical circuit, inverter, and/or panel/service capacity to interconnect the PV system, covered under the general Electrical line item
  • Compliance with the 2023 National Electrical Code (NEC) per Utah Code § 15A-2-103(1)(g)
  • Structural adequacy of the roof or mounting structure to support the PV array, per the adopted 2024 IBC/2021 IRC as applicable

Required documents

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Fee schedule

Electrical Permit (Residential)Millard County Building Permit Application — Electrical/Mechanical/Plumbing/Stucco form (millardcounty.gov). Same line item covers solar PV system interconnection wiring; no distinct solar-specific fee is published.
$45.00
Electrical Permit (Commercial or Pivot)Millard County Building Permit Application — Electrical/Mechanical/Plumbing/Stucco form
$75.00

Review timeline

Plan reviewTypical estimate — confirm current times with the Unincorporated Millard County building department
~3–14 business days

How long did your Solar / Solar PV Installation Permit permit actually take in Unincorporated Millard County?

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

Inspection process

  1. 1

    Rough-In

    After PV wiring, conduit, and interconnection equipment installed, before walls closed (where applicable)

  2. 2

    Final

    All work complete and operational, including utility interconnection sign-off where required

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

Tips

  • Millard County does not have a separate solar or solar PV permit — rooftop/building-mounted solar PV installation is treated as standard electrical work, pulled under the $45 residential (or $75 commercial/pivot) Electrical line item on the county's combined Electrical/Mechanical/Plumbing/Stucco permit form, the same treatment as EV charger installations.
  • This is separate from Millard County's large-scale utility solar generation facilities (e.g., ECG Utah Solar 1, Pavant Solar I/II/III) — those go through the county's zoning/land-use Conditional Use Permit process for major solar energy systems, not the building-permit Electrical line item covered by this entry.
  • A re-inspection fee may be charged if the project is not ready for inspection at the time the inspection is ordered, per the permit application form.
  • Confirm utility interconnection requirements (e.g., Rocky Mountain Power net-metering application) separately with the electric utility — this is not administered by Millard County Building Department.

Frequently asked questions

Unincorporated Millard County requires a solar / solar pv installation permit for: Installation of a rooftop or building-mounted solar photovoltaic (PV) system at a residential or commercial property; New or modified electrical circuit, inverter, and/or panel/service capacity to interconnect the PV system, covered under the general Electrical line item; Compliance with the 2023 National Electrical Code (NEC) per Utah Code § 15A-2-103(1)(g); Structural adequacy of the roof or mounting structure to support the PV array, per the adopted 2024 IBC/2021 IRC as applicable. If your project isn't listed, confirm with Millard County Building Department at (435) 864-1400 before starting work.

In Unincorporated Millard County, the published Electrical Permit (Residential) is: $45.00. Additional published fees: Electrical Permit (Commercial or Pivot) — $75.00. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Plan review for a solar / solar pv installation permit in Unincorporated Millard County typically runs 3–14 business days. This is an estimate, not a published figure — confirm current review times with Millard County Building Department at (435) 864-1400.

You'll need: Millard County Building Permit Application — Electrical/Mechanical/Plumbing/Stucco. Depending on your project, Unincorporated Millard County may also ask for: Contractor License Number. See the required-documents checklist on this page for details on each.

Unincorporated Millard County requires 2 inspection(s) for a solar / solar pv installation permit, in order: Rough-In, Final. Schedule each through Millard County Building Department ((435) 864-1400).

Apply through Millard County Building Department at 71 South 200 West, PO Box 854, Delta, UT 84624. Phone: (435) 864-1400, email: buildingofficial@millardcounty.org. Office hours: Monday–Thursday 8:00 AM – 5:30 PM; Friday 8:00 AM – 12:00 PM. Official information: https://millardcounty.gov/your-government/county-departments/building-inspection/.

No. Millard County does not publish a distinct solar or solar-PV permit or fee for rooftop/building-mounted systems. Solar PV installation is billed as standard electrical work: $45.00 residential or $75.00 commercial/pivot, per the county's combined Electrical/Mechanical/Plumbing/Stucco permit application form — the same treatment the county gives EV charger installations.

No. Utility-scale solar generation facilities sited in Millard County go through a separate zoning Conditional Use Permit process administered by Planning and Zoning/the Planning Commission. A homeowner or business installing rooftop or building-mounted solar PV instead applies for the standard Electrical Permit through the Building Department, as documented in this entry.

Sources & verification

Verified against official sources. Last reviewed 2026-07-21.

Applications & forms

Department & other records

Fees, timelines, and adopted codes are researched from each jurisdiction's published records — see how we verify. Requirements change and vary by project, so always confirm the current details with the Unincorporated Millard County building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.

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Other permits in Unincorporated Millard County

Residential Building PermitElectrical / Mechanical / Plumbing / Stucco PermitDemolition PermitCommercial Building PermitCommercial Tenant Improvement / Tenant Finish PermitPermitted Use Permit (P-1 / P-2) — Change or Establishment of Land UseSign Permit (P-1/P-2/C-1 depending on sign type)EV Charger / EVSE PermitFire Sprinkler / Fire Alarm System Plan Review Permit

Solar / Solar PV Installation Permit in other cities

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