; and (ii) if such modification is made, elect not to establish the clearinghouse under paragraph (1). (B) Informational resources In establishing and maintaining the clearinghouse under paragraph (1) or modifying the online resource under subparagraph (A), the Secretary of Energy shall, to the greatest extent practicable, utilize existing resources and information made available to the Secretary by the Commissioner of the Bureau of Labor Statistics, the Secretary of Labor, the Secretary of Education, the Secretary of Commerce, and the Director of the Bureau of the Census. (3) Guidelines The Secretary of Energy, in consultation with the Secretary of Labor, shall prescribe guidelines for the training programs described in paragraph (1)(A)(ii), which shall be similar to the requirements for providers of training services described in section 122(b) of the Workforce Innovation and Opportunity Act ( 29 U.S.C. 3152(b) ). (4) Report The Secretary of Energy shall annually publish, on a publicly accessible website of the Department of Energy, a report on the information and other resources developed, maintained, and updated on the clearinghouse established under paragraph (1) or the online resource modified under paragraph (2)(A). (f) Guidelines To develop skills for an energy industry workforce (1) In general In carrying out the program established under subsection (a), the Secretary of Energy, in collaboration with the Secretary of Education, the Secretary of Commerce, the Secretary of Labor, and the National Science Foundation, shall develop voluntary guidelines or best practices for educational institutions to help provide students with the skills necessary for in-demand occupations in energy-related industries, including in-demand occupations in— (A) the energy efficiency industry, including in-demand occupations in energy efficiency (including architecture, design, and construction of new energy efficient buildings), conservation, weatherization, retrofitting, inspecting, auditing, and software development