Conn. Gen. Stat. § 16-273: Complaints of defects in equipment.

Any person or any town, city or borough may make a complaint in writing to the Public Utilities Regulatory Authority of any defects in any portion of the pipeline, plant or equipment of any natural gas pipeline company or concerning any manner of operating such gas pipeline by reason of which the public safety or the health or safety of employees is endangered; and if he or it so requests, the name of the complainant shall not be divulged, unless in the opinion of the authority the complaint is such that publicity is demanded.