Provo, UT Outdoor Lighting: Dark Sky Rules (2026)

020 requires any proposed development other than one- and two-family dwellings that installs or alters outdoor lighting fixtures to submit an outdoor lighting plan, including a site plan showing each fixture's location, height, manufacturer, lamp type, and wattage; an iso-lux plan of resulting ground-level illumination; a certification that fixtures are fully shielded, cut-off type that will not disperse light or direct glare above a 90-degree horizontal plane from the fixture base; and certification of compliance with Illuminating Engineering Society of North America illuminance recommendations. 030's General Provisions add three citywide rules: all outdoor lighting must turn off after business hours except essential security lighting; lighting of signs, buildings, and displays must be directed downward with uplighting prohibited unless the Design Review Committee approves it for landscaped areas; and electrical service to fixtures must run underground unless mounted directly on utility poles. 100). 010 is to prevent glare on public ways, protect private property enjoyment, conserve energy, and reduce atmospheric light pollution.