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Solar PV Permit in Unincorporated Campbell County, Wyoming

Rooftop or ground-mounted solar photovoltaic system installation in unincorporated Campbell County is permitted under the general Building Permit (structural/racking) and Electrical Permit (interconnection) framework — there is no dedicated 'Solar PV' permit type or fee schedule published separately by Campbell County; the county's general Chapter 4 permit types (Building, Electrical) and no-fee provision apply.

Verified 2026-07-01 · Source

When you need this permit

  • Structural/racking attachment to a residential roof is reviewed under the Building Permit (2024 IRC) framework where a Building Permit applies (platted subdivision) — Chapter 4 § 1.4.A.3's rural-dwelling exemption logic extends to the structural aspect for rural dwellings, but the interconnection work still requires an Electrical Permit
  • Electrical interconnection, wiring, and disconnects require an Electrical Permit under NFPA 70 (NEC) 2026 Edition, Chapter 4 Section 10
  • Structural design must comply with Chapter 4 Section 1.6 snow load (35/30 psf) and wind speed (100–120 mph by risk category) criteria for the roof-mounted array

Required documents

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Fee schedule

Solar PV installation — no dedicated fee lineCampbell County publishes no separate solar-specific fee; the applicable Building/Electrical Permits fall under Chapter 4 Section 1.8.E 'All Other Permits: No fees.'
No fee

Review timeline

Plan reviewTypical estimate — confirm current times with the Unincorporated Campbell County building department
~1–10 business days

How long did your Solar PV Permit permit actually take in Unincorporated Campbell County?

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

Inspection process

  1. 1

    Rough Electrical

    Conduit runs, wire sizing, disconnect placement

  2. 2

    Final

    Racking/structural and electrical interconnection verified

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

Tips

  • Campbell County has no dedicated solar permit type or fee schedule published on its Building Division page — treat a residential rooftop solar install as a combined Building Permit (structural) + Electrical Permit application, both no-fee.
  • Structural calculations should reference Chapter 4's local snow load (35/30 psf) and wind speed criteria rather than default IRC/ASCE 7 map values.

Frequently asked questions

Unincorporated Campbell County requires a solar pv permit for: Structural/racking attachment to a residential roof is reviewed under the Building Permit (2024 IRC) framework where a Building Permit applies (platted subdivision) — Chapter 4 § 1.4.A.3's rural-dwelling exemption logic extends to the structural aspect for rural dwellings, but the interconnection work still requires an Electrical Permit; Electrical interconnection, wiring, and disconnects require an Electrical Permit under NFPA 70 (NEC) 2026 Edition, Chapter 4 Section 10; Structural design must comply with Chapter 4 Section 1.6 snow load (35/30 psf) and wind speed (100–120 mph by risk category) criteria for the roof-mounted array. If your project isn't listed, confirm with Campbell County Department of Public Works — Building, Planning & Zoning Division at (307) 682-1970 before starting work.

In Unincorporated Campbell County, the published Solar PV installation — no dedicated fee line is: No fee. These are the jurisdiction's own published figures — see the fee schedule table and source citations on this page.

Plan review for a solar pv permit in Unincorporated Campbell County typically runs 1–10 business days. This is an estimate, not a published figure — confirm current review times with Campbell County Department of Public Works — Building, Planning & Zoning Division at (307) 682-1970.

You'll need: Building Permit & Zoning Certificate Application. See the required-documents checklist on this page for details on each.

Unincorporated Campbell County requires 2 inspection(s) for a solar pv permit, in order: Rough Electrical, Final. Schedule each through Campbell County Department of Public Works — Building, Planning & Zoning Division ((307) 682-1970).

Apply through Campbell County Department of Public Works — Building, Planning & Zoning Division at 500 S. Gillette Ave., Suite 1500, Gillette, WY 82716. Phone: (307) 682-1970, email: septic@campbellcountywy.gov (Small Wastewater System applications); planning@campbellcountywy.gov (Planning & Zoning); general Public Works (307) 685-8061. Office hours: Mon–Fri, 8:00 a.m.–5:00 p.m.. Official information: https://www.ccgov.net/286/Building-Division.

Unincorporated Campbell County, Wyoming has adopted: 2024 International Building Code (IBC) — including Appendices C and J, adopted by Campbell County Chapter 4 Rules Regulating Construction, Section 3 (Amended June 2026); 2024 International Residential Code (IRC) — including Appendices A, B, C and E, adopted Chapter 4 Section 4 (Amended June 2026); 2024 International Mechanical Code (IMC) — including Appendix A, adopted Chapter 4 Section 5; 2024 International Plumbing Code (IPC) — including Appendices A and B, adopted Chapter 4 Section 6 — NOTE: Campbell County uses the IPC, not the Uniform Plumbing Code; 2024 International Fuel Gas Code (IFGC) — all appendices, adopted Chapter 4 Section 7; 2024 International Fire Code (IFC), adopted Chapter 4 Section 8 (enforced by Campbell County Fire Department for Fire Code permits); 2024 International Existing Building Code (IEBC), adopted Chapter 4 Section 9; National Electrical Code (NFPA 70), 2026 Edition — including Informative Annex H, adopted Chapter 4 Section 10; Liquefied Petroleum Gas Code (NFPA 58), 2020 Edition, adopted Chapter 4 Section 11; Wyoming DEQ Water Quality Rules and Regulations Chapter 25 (Septic Tanks, Soil Absorption Systems, and Other Small Wastewater Systems) — adopted as Chapter 4 Appendix 1, administered by Campbell County under delegated authority from Wyoming DEQ (W.S. 35-11-304). Local amendments apply — see the Unincorporated Campbell County overview page for the full list.

No dedicated 'solar permit' type is published. A residential rooftop solar installation is handled as a Building Permit (structural/racking) plus an Electrical Permit (interconnection), both issued at no fee under Chapter 4 Section 1.8.E.

Sources & verification

Verified against official sources. Last reviewed 2026-07-01.

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 Campbell County building department before you submit. PermitBase is an independent reference and is not affiliated with any government agency.

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