Pub. L. 109-58, tit. IX, subtit. B, sec. 923
MICRO-COGENERATION ENERGY TECHNOLOGY.
SEC. 923. MICRO-COGENERATION ENERGY TECHNOLOGY. (a) In General.—The Secretary shall make competitive, merit-based grants to consortia for the development of micro-cogeneration energy technology. (b) Uses.—The consortia shall explore—(1) the use of small-scale combined heat and power in residential heating appliances; (2) the use of excess power to operate other appliances within the residence; and (3) the supply of excess generated power to the power grid.