# Dark Sky Law: Wyoming

Wyoming requires electric utilities to offer customers a tariff option for outdoor light fixtures designed to minimize unintended illumination (light trespass and glare), but it does not mandate shielding or set a statewide lighting code; use of the option is up to the customer.

**Status:** limited (checked 2026-09-23)
Wyoming requires electric utilities to offer customers a tariff option for outdoor light fixtures designed to minimize unintended illumination (light trespass and glare), but it does not mandate shielding or set a statewide lighting code; use of the option is up to the customer.

## Statutes
- [Utility outdoor lighting tariff option](https://www.ncsl.org/environment-and-natural-resources/states-shut-out-light-pollution), Wyo. Stat. Section 37-16-202 (null)

## Sources
- https://www.ncsl.org/environment-and-natural-resources/states-shut-out-light-pollution

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Canonical: https://darkskiesdirectory.com/laws/WY