2008 San Francisco Ordinance 080406 Preventing Excess Energy Consumption in Commercial Buildings

This ordinance requires commercial building owners to turn off non-essential lighting between 11 PM and 6 AM to reduce energy consumption and promote sustainability. Non-essential lighting includes lighting used for advertising or aesthetic purposes. Building owners must post signs indicating their compliance with the ordinance. The ordinance provides exemptions for certain types of lighting, including security lighting and lighting required by law.