Updated: March 2026
Commercial rate guide for Peoples Gas — City of Chicago, serving approximately 870,000 customers within Chicago city limits. Part of WEC Energy Group.
General commercial service (Service Classification No. 2) with customer charge and volumetric rate. Large volume service for accounts above 5,000 therms/month. System modernization surcharge applied to all accounts.
Rising
5.8% delivery rate increase effective January 2026, approved by ICC primarily fo
5.8% delivery rate increase effective January 2026, approved by ICC primarily for system modernization program
Property managers with Peoples Gas accounts frequently encounter these billing challenges:
System modernization surcharge significantly increasing annual bills
Purchased gas charge spikes during extreme cold weather events
Complex Chicago franchise fee and tax charges on bills
Aging infrastructure causing service disruptions and billing disputes
The utility is the sole provider in this service territory.
Illinois allows customer choice for gas supply. Peoples Gas provides regulated delivery. Customers can choose competitive gas suppliers, but delivery charges remain regulated.
System modernization program extension filing pending before ICC for continued cast-iron pipe replacement
Automate bill processing, catch billing errors, and track rate changes for all your Peoples Gas accounts in one platform.
Request a Demo →