; and (B) complete the installation described in subparagraph (A) as soon as practicable after the date referred to in that subparagraph. (2) Explanation of noncompliance (A) In general If an agency fails to comply with paragraph (1), the agency shall submit to the Secretary, using guidelines developed by the Secretary, an explanation of the reasons for the failure. (B) Report to congress Not later than October 1, 2021, and every 2 years thereafter, the Secretary shall submit to Congress a report that describes any noncompliance by an agency with the requirements of paragraph (1). ; (4) in subsection (c)(1)— (A) in subparagraph (A)— (i) in the matter preceding clause (i), by striking An agency and inserting The head of each agency ; and (ii) by inserting or water after energy each place it appears; and (B) in subparagraph (B)(i), by inserting or water after energy ; (5) in subsection (d)(2), by inserting and water after energy ; (6) in subsection (e)— (A) in the subsection heading, by inserting and Water after Energy ; (B) in paragraph (1)— (i) in the first sentence— (I) by striking October 1, 2012 and inserting October 1, 2020 ; (II) by inserting and water after energy ; and (III) by inserting and water after electricity ; (ii) in the second sentence, by inserting and water after electricity ; and (iii) in the fourth sentence, by inserting and water after energy ; (C) in paragraph (2)— (i) in subparagraph (A)— (I) by striking and before Federal ; and (II) by inserting and any other person the Secretary deems necessary, before shall ; (ii) in subparagraph (B)— (I) in clause (i)(II), by inserting and water after energy each place it appears; (II) in clause (ii), by inserting and water after energy ; and (III) in clause (iv), by inserting and water after energy