Section 2
SEC. 2. The following paragraph to be designated as Section one-a is hereby inserted after Section one of the same Act: "SEC. 1-a. The grantee shall complete the building of the hydroelectric power plant and/or thermal units herein authorized within five years from the approval of this amendment and charge and collect a schedule of prices and rates for the use of electric current, which schedule of prices and rates shall at all times be subject to regulation by the Public Service Commission."