1. Short title This Act may be cited as the Waste Heat to Power Investment Tax Credit Act of 2019 . 2. Inclusion of waste energy recovery property in energy credit (a) In general Section 48(a)(3)(A) of the Internal Revenue Code of 1986 is amended by striking or at the end of clause (vi), by adding or at the end of clause (vii), and by adding at the end the following new clause: (viii) waste energy recovery property, . (b) Application of 30 percent credit Section 48(a)(2)(A)(i) of such Code is amended by striking and at the end of subclauses (III) and adding at the end the following new subclause: (V) waste energy recovery property, and . (c) Phaseout Section 48(a) of such Code is amended by adding at the end the following new paragraph: (8) Phaseout for waste energy recovery property (A) In general Subject to subparagraph (B), in the case of any waste energy recovery property, the energy percentage determined under paragraph (2) shall be equal to— (i) in the case of any property the construction of which begins after December 31, 2024, and before January 1, 2026, 26 percent, and (ii) in the case of any property the construction of which begins after December 31, 2025, and before January 1, 2027, 22 percent. (B) Placed in service deadline In the case of any energy property described in subparagraph (A) which is not placed in service before January 1, 2029, the energy percentage determined under paragraph (2) shall be equal to 0 percent. . (d) Definitions Section 48(c) of such Code is amended by adding at the end the following new paragraph: (5) Waste energy recovery property (A) In general The term waste energy recovery property means property that generates electricity solely from heat from buildings or equipment if the primary purpose of such building or equipment is not the generation of electricity. (B) Capacity limitation The term waste energy recovery property shall not include any property which has a capacity in excess of 50 megawatts. (C) No double benefit Any waste energy recovery property (determined