The Public Service Commission of the District of Columbia (PSC) was originally established by Congress in 1913 and was reaffirmed by Congress as an independent agency of the District of Columbia Government in the District of Columbia Home Rule Charter in 1973. The PSC functions as a quasi-judicial agency to ensure that the natural gas, electricity and telecommunications utilities doing business in the District provide safe and reasonably adequate service and facilities at just and reasonable rates. (D.C. Code §§ 1-204.93 and 34-301 (2010 Repl.)). The PSC staff is made up of 83.6 persons which includes three Commissioners, one of which is designated as the Chairman.