; (2) to evaluate best practices in designating the roles and responsibilities of a distribution system operator relative to other entities, including the relevant electric utility and Regional Transmission Organization; and (3) to simulate the functions of a distribution system operator in a range of grid conditions. (c) Working group (1) In general The Secretary shall establish a working group to participate in the design and operation of the pilot program. (2) Membership The working group established under paragraph (1) shall be composed of members, to be appointed by the Secretary, at least one of which shall represent each of the following: (A) The Department of Energy. (B) The National Laboratories. (C) An electric utility. (D) The North American Electric Reliability Corporation. (E) A Regional Transmission Organization. (F) A State or regional energy agency. (G) A national research body or institution of higher education. (d) Report to Congress Not later than 2 years after the date on which funds are first made available to the pilot program, the Secretary shall submit to Congress a report that— (1) describes the results of the pilot program