(a) A political subdivision aggregator may negotiate for the purchase of electricity and energy services on behalf of the citizens of the political subdivision. The citizens must affirmatively request to be included in the aggregation services by the political subdivision aggregator.
(b) A political subdivision may contract with a third party or another aggregator to administer the aggregation of electricity and energy services purchased under Subsection (a).
(c) The political subdivision aggregator may use any mailing from the subdivision to invite participation by its citizens.