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Solar PV Permit in Unincorporated Laramie County, Wyoming

Required for installation of residential or commercial solar photovoltaic systems in unincorporated Laramie County. Filed as an 'Alternative Energy' permit; plans must include a site-specific electrical one-line diagram, and any battery backup/electrical panel upgrade/energy storage system must be shown. A separate permit is required if a new generator is installed alongside the solar system.

Verified 2026-07-01 · Source

When you need this permit

  • Permits and inspections are required for personal solar systems, per the county's Building Department FAQ
  • Plot plan meeting minimum requirements
  • Site-specific clear set of plans including an electrical one-line diagram
  • Foundation or roof structural plans/letter must be stamped by a Wyoming Design Professional
  • One-line diagram must include battery backups, electrical panel upgrades, and energy storage systems if applicable
  • A new generator installed with the solar system requires a SEPARATE permit
  • Commercial solar/wind: fees are based on the PV system (or turbine) only — additional buildings or structures are considered additional work and permitted/fee'd separately

Required documents

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Fee schedule

Solar — Commercial/ResidentialLaramie County Building Permit Fee Schedule (PDF) — Miscellaneous Fees section
$100.00 per string for the first 20 strings, then $20.00 per string thereafter
Large Wind TurbinesLaramie County Building Permit Fee Schedule (PDF)
$2,500.00 per tower

Review timeline

Plan reviewUnincorporated Laramie County’s published plan-review target
7–10 business days

How long did your Solar PV Permit permit actually take in Unincorporated Laramie 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 before covering

  2. 2

    Final

    Racking, roof penetrations, and electrical interconnection verified

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

Tips

  • Solar fees are charged per string ($100/string for the first 20, $20/string thereafter) rather than a flat or valuation-based fee — this is a distinct fee structure from the general building permit table.
  • If you plan to add a generator alongside your solar installation, budget for a SEPARATE generator permit — the county does not combine these into one solar permit.

Frequently asked questions

Unincorporated Laramie County requires a solar pv permit for: Permits and inspections are required for personal solar systems, per the county's Building Department FAQ; Plot plan meeting minimum requirements; Site-specific clear set of plans including an electrical one-line diagram; Foundation or roof structural plans/letter must be stamped by a Wyoming Design Professional; One-line diagram must include battery backups, electrical panel upgrades, and energy storage systems if applicable; A new generator installed with the solar system requires a SEPARATE permit; Commercial solar/wind: fees are based on the PV system (or turbine) only — additional buildings or structures are considered additional work and permitted/fee'd separately. If your project isn't listed, confirm with Laramie County Planning and Development Department — Building Division at (307) 633-4303 before starting work.

Solar (commercial or residential) is charged at $100.00 per string for the first 20 strings and $20.00 per string thereafter, per the county's adopted Building Permit Fee Schedule.

Unincorporated Laramie County's published plan-review target for a solar pv permit is 7–10 business days.

You'll need: Alternative Energy Permit Application (SmartGov portal); Electrical One-Line Diagram; Foundation/Roof Structural Letter. See the required-documents checklist on this page for details on each.

Unincorporated Laramie County requires 2 inspection(s) for a solar pv permit, in order: Rough Electrical, Final. Schedule each through Laramie County Planning and Development Department — Building Division ((307) 633-4303).

Apply through Laramie County Planning and Development Department — Building Division at 3966 Archer Parkway, Cheyenne, WY 82009. Phone: (307) 633-4303, email: building@laramiecountywy.gov. Office hours: Monday–Friday 7:00 AM–5:30 PM (closed Saturday/Sunday); Building Inspection line (307) 633-4615; fax (307) 633-4519. Official information: https://www.laramiecountywy.gov/County-Government/County-Departments/Planning-Development/Laramie-County-Building.

Unincorporated Laramie County, Wyoming has adopted: 2024 International Building Code (IBC) — adopted with amendments effective January 1, 2025 (Laramie County 2024 International Building Code Adoption resolution); 2024 International Residential Code (IRC) — adopted with amendments effective January 1, 2025; Section R105.2 (Work Exempt from Permit) amended by Resolution #251202-14 (passed Dec. 2, 2025) raising the detached accessory-structure permit exemption threshold from 200 to 400 square feet; 2024 International Residential Code Section R303.5.10 amendment — Laramie County provided statutory notice of intent to exempt residential detached accessory buildings without habitable space from the closed-cell spray foam insulation requirements of R306.6 (Resolution dated 9/16/25); 2024 International Fire Code (IFC) — adopted effective April 15, 2025; 2023 National Electrical Code (NEC) — adopted by Laramie County Board of Commissioners resolution at the December 5, 2023 public hearing; IRC Appendix BC — Accessory Dwelling Units (ADU): Laramie County's official ADU construction handout is the 2024 IRC Appendix BC text itself (scanned/distributed as the county's ADU building-code standard). Local amendments apply — see the Unincorporated Laramie County overview page for the full list.

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

Other permits in Unincorporated Laramie County

Residential Building Permit (New Single-Family Residence)Residential Addition, Remodel, Deck/Patio/Porch, and Basement Finish PermitElectrical PermitPlumbing PermitMechanical / HVAC PermitRoofing PermitAccessory Dwelling Unit (ADU) PermitDemolition PermitCommercial Tenant Improvement / Renovation PermitEV Charger / EVSE PermitCommercial Sign PermitFire Sprinkler System Permit (Wyoming State Fire Marshal)Fire Alarm System Permit (Wyoming State Fire Marshal)Change of Use / Certificate of Occupancy Permit (Commercial Plan Review)

Solar PV Permit in other cities

Casper, WyomingCheyenne, WyomingEvanston, WyomingGillette, WyomingGreen River, WyomingJackson, WyomingLander, WyomingLaramie, Wyoming

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