86 Ill. Adm. Code 517.100
Definitions
Section 517
Section 517.100 Definitions
For the purposes of this Part:
"non-residential electric service" means
electric utility service which is not residential electric service
[305
ILCS 20/13];
"non-residential gas service" means gas utility service
which is not residential gas service
[305 ILCS 20/13];
"residential electric service" means electric
utility service for household purposes delivered to a dwelling of 2 or fewer
units which is billed under a residential rate, or electric utility service for
household purposes delivered to a dwelling unit or units which is billed under
a residential rate and is registered by a separate meter for each dwelling unit
[305 ILCS 20/13];
"residential gas service" means gas utility
service for household purposes distributed to a dwelling of 2 or fewer units
which is billed under a residential rate, or gas utility service for household
purposes distributed to a dwelling unit or units which is billed under a
residential rate and is registered by a separate meter for each dwelling unit
[305 ILCS 20/13].