83 Ill. Adm. Code 452.30
Independent Functioning
Section 452
Section 452.30 Independent
Functioning
a) Except as necessary under Section 452.50 of this Part or
required by an order of a state or federal court or administrative agency, an
electric utility's transmission and distribution function and its generation
function providing generation to Illinois customers shall operate independently
of each other.
b) Except as necessary under Section 452.50 of this Part, no
generation function employee of an electric utility providing generation
services to Illinois customers shall provide delivery services. No transmission
and distribution function employee of the electric utility shall provide
generation services.
c) Except as necessary under Section 452.50 of this Part, the
transmission and distribution function employees and generation services
function employees of an electric utility providing generation services to
Illinois customers shall not be jointly employed by both the transmission and
distribution function and the generation services function.
d) Company leadership and administrative support may be jointly
employed by an electric utility's transmission and distribution function and
generation function and may provide leadership and support for both functions.
However, company leadership and administrative support shall not be used, or
allowed, by the electric utility to circumvent any provision of Section 452.80,
452.90, 452.100, or 452.110 of this Part.