Hawaii SB2278 regulates outdoor lighting to reduce light pollution, setting standards for new and replacement fixtures.

Hawaii SB2278 establishes regulations to mitigate light pollution by setting standards for outdoor lighting fixtures. Beginning July 1, 2026, all new and replacement outdoor lighting fixtures must be fully shielded to limit upward light and minimize light trespass. Exceptions include certain temporary lighting, emergency lighting, and specific recreational facilities. The bill also prohibits the sale or installation of new mercury vapor lamps after July 1, 2014.

Hawaii SB2278 regulates outdoor lighting to reduce light pollution, setting standards for new and replacement fixtures.

Hawaii SB2278 establishes regulations to mitigate light pollution by setting standards for outdoor lighting fixtures. Beginning July 1, 2026, all new and replacement outdoor lighting fixtures must be fully shielded to limit upward light and minimize light trespass. Exceptions include certain temporary lighting, emergency lighting, and specific recreational facilities. The bill also prohibits the sale or installation of new mercury vapor lamps after July 1, 2014.