Amends the Internal Revenue Code to allow, through December 31, 2018: (1) a new business-related tax credit for sales by an electric utility of renewable electricity generated by a facility using wind or solar energy to a retail customer; and (2) payments to such utilities, in lieu of such tax credit, for sales of renewable electricity to retail customers. Delays, until 2023, the application of rules relating to the allocation and apportionment of the interest expense of domestic corporations that are members of a worldwide affiliated group.