220 ILCS 5/16-103
2021 Illinois Compiled Statutes|Chapter 220 - UTILITIES|220 ILCS 5/ - Public Utilities Act.|Article XVI - Electric Service Customer Choice And Rate Relief Law Of 1997

Sec. 16-103. Service obligations of electric utilities.(a) An electric utility shall continue offering to  retail customers each tariffed service that it offered as a  distinct and identifiable service on the effective date of  this amendatory Act of 1997 until the  service is (i) declared  competitive pursuant to Section 16-113, or (ii) abandoned  pursuant to Section 8-508. Nothing in this subsection shall be  construed as limiting an electric utility's right to propose,  or the Commission's power to approve, allow or order  modifications in the rates, terms and conditions for such  services pursuant to Article IX or Section 16-111 of this Act.(b) An electric utility shall also offer, as tariffed  services, delivery services in accordance with this Article,  the power purchase options described in Section 16-110 and  real-time pricing as provided in Section 16-107.(c) Notwithstanding any other provision of this Article,  each electric utility shall continue offering to all  residential customers and to all small commercial retail  customers in its service area, as a tariffed service, bundled electric power  and  energy delivered to the customer's premises consistent with  the bundled utility service provided by the electric utility  on the effective date of this amendatory Act of 1997. Upon  declaration of the provision of electric power and energy as  competitive, the electric utility shall continue to offer to  such customers, as a tariffed service, bundled service options  at rates which reflect recovery of all cost components for  providing the service. For those components of the service  which have been declared competitive, cost shall be the market  based prices. Market based prices as referred to herein shall  mean, for electric power and energy, either (i) those prices  for electric power and energy determined as provided in  Section 16-112, or (ii) the electric utility's cost of  obtaining the electric power and energy at wholesale through a  competitive bidding or other arms-length acquisition process.(d) Any residential or small commercial retail customer  which elects delivery services is entitled to return to the  electric utility's bundled utility tariffed service offering  provided in accordance with subsection (c) of this Section  upon payment of a reasonable administrative fee which shall be  set forth in the tariff. Notwithstanding any other obligation of an electric utility in this Section: (1) if the residential or small commercial customer has not elected delivery services within 2 billing cycles after returning to the electric utility's bundled utility tariffed service offering, then the electric utility shall be entitled, but not required, to impose the condition that such customer may not elect delivery services for up to 12 months after the date on which the customer returned to bundled utility tariffed service and (2) the electric utility shall be entitled, but not required, to impose the condition that a customer who has left delivery service for the electric utility's bundled service not be permitted to return to the same alternative retail electric supplier within up to 2 billing cycles after the customer returned to bundled utility tariffed service other than in situations, including, but not limited to, where the return was in error, inadvertent, or the result of any other unintended operational  consequence.(e) The Commission shall not require an electric utility  to offer any tariffed service other than the services required  by this Section, and shall not require an electric utility to  offer any competitive service.  (Source: P.A. 99-250, eff. 8-3-15.)