Massachusetts S3145 aims to improve outdoor lighting, conserve energy, and increase dark-sky visibility.

Massachusetts S3145 mandates the Department of Energy Resources to create regulations for outdoor lighting by January 1, 2027. These regulations must include requirements and exemptions, set a limit for correlated color temperature not exceeding 3000 kelvin, and establish maintained illuminance levels. The Massachusetts Department of Transportation must review existing roadway lighting and operational costs, issuing a report by January 1, 2027. The Department of Public Utilities will develop a rate for unmetered roadway or parking-lot lighting fixtures using less than 25 watts.

Massachusetts S3145 aims to improve outdoor lighting, conserve energy, and increase dark-sky visibility.

Massachusetts S3145 mandates the Department of Energy Resources to create regulations for outdoor lighting by January 1, 2027. These regulations must include requirements and exemptions, set a limit for correlated color temperature not exceeding 3000 kelvin, and establish maintained illuminance levels. The Massachusetts Department of Transportation must review existing roadway lighting and operational costs, issuing a report by January 1, 2027. The Department of Public Utilities will develop a rate for unmetered roadway or parking-lot lighting fixtures using less than 25 watts.