; and furniture and furnishings to be expended under the control and supervision of the Architect of the Capitol, $138,751,000, of which $52,825,000 shall remain available until September 30, 2028, and of which $1,000,000 shall remain available until expended. House office buildings For all necessary expenses for the maintenance, care, and operation of the House office buildings, $166,426,000, of which an amount equal to the balance of the House Office Buildings Fund under section 176(d) of the Continuing Appropriations Act, 2017 ( 2 U.S.C. 2001 note) as of the date of the enactment of this Act shall be derived from such Fund, and of which $50,562,000 shall remain available until September 30, 2028, and of which $41,800,000 shall remain available until expended for the restoration and renovation of the Cannon House Office Building. Capitol Power Plant For all necessary expenses for the maintenance, care and operation of the Capitol Power Plant; and all electrical substations of the Capitol; lighting, heating, power (including the purchase of electrical energy) and water and sewer services for the Capitol, Senate and House office buildings, Library of Congress buildings, and the grounds about the same, Botanic Garden, Senate garage, and air conditioning refrigeration not supplied from plants in any of such buildings