Conn. Gen. Stat. § 16-6: Office and records.

The Public Utilities Regulatory Authority shall keep its office open during the usual business hours and shall keep all of its records in such office. The authority shall keep a record of all communications addressed to it, or to any of its members or employees, officially, of all its and their official acts and proceedings and of all facts learned in relation to any casualty or accident, with the names of the persons from whom such facts were obtained or by whom they may be proved.