Solar Panel Permit in Millcreek, Utah

Yes. Millcreek requires a solar permit for all rooftop and ground-mounted PV installations. The fee is $70 base + $30 per kW + $100 flat plan review per the FY25 Consolidated Fee Schedule (MKC § 15-08-030, dated 8/12/2024). A structural engineer letter and detailed one-line electrical diagram are required.

Per the Millcreek FY25 Consolidated Fee Schedule (MKC § 15-08-030, dated 8/12/2024): $70 base + $30 per kW + $100 plan review, plus a 1% state surcharge. A 5 kW system costs $70 + $150 + $100 = $320 before the surcharge.

Millcreek's published plan-review target for a solar panel permit is 14–14 business days.

You'll need: Building Permit Application (iWorQ portal); Solar Site Plan / Roof Plan; Electrical One-Line Diagram; Mounting System / Structural Approval; Module and Inverter Specification Sheets. Depending on your project, Millcreek may also ask for: Interconnection Agreement. See the required-documents checklist on this page for details on each.

Millcreek requires 1 inspection(s) for a solar panel permit, in order: Solar Panels & Equipment — Electrical and Final. Schedule each through Millcreek Building Department ((801) 214-2700).

Apply through Millcreek Building Department at 1330 East Chambers Avenue, Millcreek, UT 84106. Phone: (801) 214-2700, email: buildingservices@millcreekut.gov. Office hours: Mon–Fri 8:00 AM – 5:00 PM. Official information: https://millcreekut.gov/165/Building-Services.

Millcreek, Utah has adopted: 2024 International Building Code (IBC), including Appendices C and J — currently in effect as of July 1, 2026, superseding the 2021 IBC that was in effect through June 30, 2026 (Utah Code § 15A-2-103(1)(a)); see NOTE below on Millcreek's own page lagging this update; 2021 International Residential Code (IRC), including Appendix AQ (Tiny Houses) — currently in effect; unchanged by the July 1, 2026 statewide code-edition update (Utah Code § 15A-2-103(1)(b)); 2024 International Plumbing Code (IPC) — currently in effect as of July 1, 2026, superseding the 2021 IPC that was in effect through June 30, 2026 (Utah Code § 15A-2-103(1)(d)); 2024 International Mechanical Code (IMC) — currently in effect as of July 1, 2026, superseding the 2021 IMC that was in effect through June 30, 2026 (Utah Code § 15A-2-103(1)(e)); 2024 International Fuel Gas Code (IFGC) — currently in effect as of July 1, 2026, superseding the 2021 IFGC that was in effect through June 30, 2026 (Utah Code § 15A-2-103(1)(f)); 2023 National Electrical Code (NEC) — currently in effect; unchanged by the July 1, 2026 statewide code-edition update (Utah Code § 15A-2-103(1)(g)). Millcreek's Building Services page previously referenced a 2020 NEC edition (recorded as of 2026-06-30); the 2023 NEC supersedes it statewide regardless of the page's wording; 2024 International Energy Conservation Code (IECC) — currently in effect statewide as of July 1, 2026, a single edition with no residential/commercial split under current law (Utah Code § 15A-2-103(1)(h)); Historical (superseded): prior to July 1, 2026, Millcreek's Building Services page cited a 2015 IECC edition for residential and a separate 2021 IECC edition for commercial — both are now superseded by the single 2024 IECC per § 15A-2-103(1)(h); re-checked live 2026-07-16 and Millcreek's page (millcreekut.gov/165/Building-Services, via its Building Department overview page and 'Adopted Construction Codes' resource) still displayed this superseded 2015/2021 split — city page lags the statute; 2024 International Existing Building Code (IEBC) — currently in effect as of July 1, 2026, superseding the 2021 IEBC that was in effect through June 30, 2026 (Utah Code § 15A-2-103(1)(i)); Residential provisions of the 2024 International Swimming Pool and Spa Code (ISPSC) — currently in effect as of July 1, 2026, superseding the 2021 ISPSC that was in effect through June 30, 2026 (Utah Code § 15A-2-103(1)(n)); 2006 International Wildland-Urban Interface Code (IWUIC) — millcreekut.gov/165/Building-Services; applies to Foothills/Canyons Overlay Zone properties; NOTE (updated 2026-07-16): the July 1, 2026 transition forecast in the prior version of this entry has now occurred — confirmed live against Utah Code § 15A-2-103, current version (effective 7/1/2026, superseded 1/1/2027), read at le.utah.gov/xcode/Title15A/Chapter2/15A-2-S103.html. Millcreek's own Building Department page (millcreekut.gov, live 2026-07-16) still displays a banner reading 'On July 1, 2026, the State of Utah will adopt all 2024 I-Codes with State Amendments. Any Commercial project submitted on or after July 1st will need to be designed to these standards' — forward-looking, present-tense-stale wording that also narrows the transition to Commercial projects only; the statute imposes no residential/commercial distinction for IBC/IPC/IMC/IFGC/IECC/IEBC/ISPSC, so this record treats the full 2024 edition set as governing for all project types as of 2026-07-16, and flags the city page as not yet updated to reflect that the date has passed. Local amendments apply — see the Millcreek overview page for the full list.