Service Bulletins for Nicor Gas

Nicor Winter/Summer Fixed Rate Program
As of October 1, 2009, for Nicor customers on the Winter/Summer fixed rate program, your winter rate is 0.79 per therm.

Online E-Mail
Click here to e-mail IGS Energy. A customer service representative will answer your question as quickly as possible via e-mail or you can request a callback.


Phone Phone
A friendly customer service representative is standing by to take your call.

For New Enrollments:
Call toll-free at 877-444-7427.
Call center hours are 8 am - 7 pm ET Monday through Friday.

For Existing Customers:
Call toll free at 800-280-4474.
Call center hours are 8 am - 9 pm ET Monday through Friday.