An Act amending the act of May 8, 1889 (P. L. 136, No. 153), entitled "An act to amend an act, entitled 'An act to provide for the incorporation and regulation of certain corporations,' approved the twenty-ninth day of April, Anno Domini one thousand eight hundred and seventy-four, providing for the incorporation and regulation of electric light, heat and power companies," restricting the areas where utility companies may exercise the power of eminent domain and imposing additional duties on the Public Utility Commission.