How much does a solar permit cost in Gillette?

Gillette's adopted fee schedule (City Code Chapter 5, Article IV) has no dedicated solar PV fee line. A residential rooftop solar installation is processed as a building permit (structural/racking scope, typically the $20 Miscellaneous Residential fee for a retrofit, or the Building Square Feet table for new construction) plus a standard amperage-based electrical permit for the interconnection. Confirm the exact classification with the Building Division at (307) 686-5260.

Solar PV Permit in Gillette, Wyoming

Verified

Required for installation of rooftop or ground-mounted solar photovoltaic systems in Gillette. There is no separate 'solar' line item in the adopted fee schedule; solar PV installation is processed as a standard building permit (structural/racking, charged under the Building Square Feet table or Miscellaneous Residential fee) plus a standard electrical permit (amperage-based) for the interconnection.

Verified 2026-07-01 · Source

Charged under the Building Square Feet fee table ($30–$150+$0.04/sq ft) or the $20 Miscellaneous Residential fee, as applicableBuilding Permit Fee — solar structural/racking scope

When you need this permit

Rooftop or ground-mounted solar PV installation requires a building permit (structural/racking scope) and an electrical permit (interconnection/wiring scope)
Structural design must account for Gillette's local design criteria: 30 psf minimum roof live load (≥15 psf snow load table applies to low-slope roofs at 35 psf), 115 mph ultimate design wind speed, Seismic Design Category B minimum
Electrical permit and inspection is handled by the City of Gillette Building Division (Gillette holds delegated electrical authority — ELEC INSP/PR = L/L per the WSFM jurisdictions chart), not the Wyoming State Fire Marshal's electrical program
Contractor must hold applicable City of Gillette contractor licenses (Class B/R Building and Class D Electrical)

Required documents

Req
Building Permit Application (via EnerGov Self Service) — structural/racking scope
Site plan and racking/structural details for the array
Req
Electrical Permit Application (via EnerGov Self Service) — interconnection scope
Electrical wiring, disconnect, and interconnection details

Fee schedule

Fee type	Amount	Notes
Building Permit Fee — solar structural/racking scope	Charged under the Building Square Feet fee table ($30–$150+$0.04/sq ft) or the $20 Miscellaneous Residential fee, as applicable	No separate flat solar-construction fee line exists in the adopted City Code § 5-IV-1(b) fee schedule; a rooftop PV retrofit on an existing home is charged as a 'Miscellaneous Residential' ($20) or amperage-scaled electrical addition, per Building Division practice for scope not creating new conditioned floor area.
Electrical Permit — interconnection (amperage-based)	$10–$50+ depending on service amperage — see electrical-permit fee table	City Code § 5-IV-2

Review timeline

~0–10 business days

Typical estimate — confirm current times with the Gillette building department

Inspection process

1
Rough Electrical
Conduit runs, wire sizing, disconnect placement before cover
2
Final — Structural/Racking
Panel mounting, racking attachment, roof penetration sealing verified
3
Final — Electrical
All connections, inverter, and interconnection point verified

Tips

There is no dedicated 'Solar Permit' fee line in Gillette's adopted Chapter 5 fee schedule — a solar PV install is billed as a standard building permit (structural scope) plus a standard electrical permit (interconnection scope). Confirm the exact building-fee classification for your specific project with the Building Division at (307) 686-5260.
Structural calculations for roof-mounted arrays should reference Gillette's local design criteria: 115 mph ultimate wind speed, Seismic Design Category B minimum, and the 30/35 psf minimum roof live load table (depending on roof pitch) from City Code § 5-I-1.

Frequently asked questions

How much does a solar permit cost in Gillette?: Gillette's adopted fee schedule (City Code Chapter 5, Article IV) has no dedicated solar PV fee line. A residential rooftop solar installation is processed as a building permit (structural/racking scope, typically the $20 Miscellaneous Residential fee for a retrofit, or the Building Square Feet table for new construction) plus a standard amperage-based electrical permit for the interconnection. Confirm the exact classification with the Building Division at (307) 686-5260.

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

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