Nicor Gas

Deregulation has given customers a choice in their energy supplier. Competition among companies that supply energy can help you stabilize, or lower, your energy costs. Explore and enroll online to start managing your energy costs.


Residential Customers

Learn More

  • Cancel an Agreement
  • Integrys Energy Services, Inc. is a BBB Accredited Natural Gas Company in Chicago, IL

Residential Rate Options

Welcome to Nicor Customer Select from Integrys Energy Services

The Customer Select program provides residential customers the power to choose their natural gas supplier. Gas delivery, meter reading and emergency response will continue through Nicor Gas.

For more information about our programs, please call 1-855-879-1139.

Easy registration starts by exploring our rate plans and pricing below.

When registering, please be sure to have the following information about your Nicor account:

  • Account Number
  • Service and Mailing Address
  • Telephone Number

Sign-up with Integrys Energy Services today! Select a rate plan below that best meets your needs:

If you would prefer to enroll over the phone, please call us at 855-879-1139.

Residential Natural Gas Agreement History

ProgramAgreementFile Info
12 Month Fixed Price103IL82010PDF: 199KB / 2 pages
24 Month Fixed Price103IL82010PDF: 199KB / 2 pages
36 Month Fixed Price103IL82010PDF: 199KB / 2 pages
Monthly Variable Rate103IL8-2010PDF: 31KB / 2 pages
12 Month Guaranteed Summer Saving with Winter Protection204ILFWGSEC82010PDF: 199KB / 2 pages
24 Month Guaranteed Summer Saving with Winter Protection204ILFWGSEC82010PDF: 199KB / 2 pages

Residential Natural Gas Pricing History

Integrys Energy Service, Inc. provides competitive rates for Nicor Gas customers. You can find a history of our pricing here; prices may be updated at any time.

Rate PlanEffective MonthPrice (per Therm)
12 Month Fixed Price04/18/2014 - Current$0.613
04/03/2014 - 04/17/2014$0.590
03/19/2014 - 04/02/2014$0.593
03/07/2014 - 03/18/2014$0.609
02/06/2014 - 03/06/2014$0.610
01/23/2014 - 02/06/2014 $0.581
01/15/2014 - 01/22/2014$0.543
01/03/2014 - 01/15/2014$0.560
12/10/2013 - 01/02/2014$0.543
12/01/2013 - 12/09/2013$0.510
11/06/2013 - 11/30/2013$0.477
11-01/2013 - 11/05/2013$0.489
24 Month Fixed Price04/18/2014 - Current$0.595
04/03/2014 - 04/17/2014$0.573
03/19/2014 - 04/02/2014$0.571
03/07/2014 - 03/18/2014$0.577
02/06/2014 - 03/06/2014$0.575
01/23/2014 - 02/05/2014$0.562
01/15/2014 - 01/22/2014$0.543
01/03/2014 - 01/14/2014$0.555
12/10/2013 - 01/02/2014$0.541
12/01/2013 - 12/09/2013$0.516
11/06/2013 - 11/30/2013$0.492
11-01/2013 - 11/05/2013$0.503
36 Month Fixed Price04/18/2014 - Current$0.587
04/03/2014 - 04/17/2014$0.566
03/19/2014 - 04/02/2014$0.561
03/07/2014 - 03/18/2014$0.565
02/06/2014 -03/06/2014$0.559
01/23/2014 - 02/05/2014 $0.553
01/15/2014 - 01/22/2014$0.537
01/03/2014 - 01/14/2014$0.550
12/10/2013 - 01/02/2014$0.539
12/01/2013 - 12/09/2013$0.520
11-06/2013 - 11/30/2013$0.503
11-01/2013 - 11/05/2013$0.513
Monthly Variable RateApril 2014 Billing$0.576
March 2014 Billing$1.167
March 2014 Billing$1.172
February 2014 Billing$0.863
January 2014 Billing$0.548
December 2013 Billing$0.454
November 2013 Billing$0.440
October 2013 Billing$0.429
September 2013 Billing$0.428
August 2013 Billing$0.427
July 2013 Billing$0.440
June 2013 Billing$0.491
12 Month Guaranteed Summer Saving with Winter Protection04/18/2014 - Current$0.621
04/03/2014 - 04/17/2014$0.594
03/19/2014 - 04/03/2014$0.597
03/07/2014 - 03/18/2014$0.612
02/06/2014 - 03/06/2014$0.616
01/23/2014 - 02/05/2014$0.588
01/15/2014 - 01/22/2014$0.547
01/03/2014 - 01/14/2014$0.563
12/10/2013 - 01/02/2014$0.545
12/01/2013 - 12/09/2013$0.510
11-06/2013 - Current$0.477
11-01/2013 - Current$0.490
24 Month Guaranteed Summer Saving with Winter Protection04/18/2014 - Current$0.605
04/03/2014 - 04/17/2014$0.579
03/19/2014 - 04/02/2014$0.577
02/06/2014 - 03/18/2014$0.584
01/23/2014 - 02/06/2014$0.570
01/15/2014 - 01/22/2014$0.544
01/03/2014 - 01/14/2014$0.559
12/10/2013 - 01/02/2014$0.546
12/01/2013 - 12/09/2013$0.520
11-06/2013 - Current$0.495
11-01/2013 - Current$0.506
November 2013 Billing$0.529

Business Customers

Learn More

  • Cancel an Agreement
  • Integrys Energy Services, Inc. is a BBB Accredited Natural Gas Company in Chicago, IL

Business Rate Options

Welcome to Nicor Customer Select from Integrys Energy Services

The Customer Select program provides business customers the power to choose their natural gas supplier. Gas delivery, meter reading and emergency response will continue through Nicor Gas.

For more information about our programs, please call 1-855-879-1139.

If your business is a large consumer of energy, we have different rates for Commercial and Industrial businesses.

Easy registration starts by exploring our rate plans and pricing below.

When registering, please be sure to have the following information about your Nicor account:

  • Account Number
  • Service and Mailing Address
  • Telephone Number

Sign-up with Integrys Energy Services today! Select a rate plan below that best meets your needs:

If you would prefer to enroll over the phone, please call us at 855-879-1139.

Business Natural Gas Agreement History

ProgramAgreementFile Info
12 Month Fixed Price103IL82010PDF: 199KB / 2 pages
24 Month Fixed Price103IL82010PDF: 199KB / 2 pages
36 Month Fixed Price103IL82010PDF: 199KB / 2 pages
Monthly Variable Rate103IL82010PDF: 31KB / 2 pages
12 Month Guaranteed Summer Saving with Winter Protection204ILFWGSEC82010PDF: 199KB / 2 pages
24 Month Guaranteed Summer Saving with Winter Protection204ILFWGSEC82010PDF: 199KB / 2 pages

Business Natural Gas Pricing History

Integrys Energy Service, Inc. provides competitive rates for Nicor Gas customers. You can find a history of our pricing here; prices may be updated at any time.

Rate PlanEffective MonthPrice (per Therm)
12 Month Fixed Price04/18/2014 - Current$0.613
04/03/2014 - 04/17/2014$0.590
03/19/2014 - 04/02/2014$0.593
03/07/2014 - 03/18/2014$0.609
02/06/2014 - 03/06/2014$0.610
01/23/2014 - 02/06/2014 $0.581
01/15/2014 - 01/22/2014$0.543
01/03/2014 - 01/15/2014$0.560
12/10/2013 - 01/02/2014$0.543
12/01/2013 - 12/09/2013$0.510
11/06/2013 - 11/30/2013$0.477
11-01/2013 - 11/05/2013$0.489
24 Month Fixed Price04/18/2014 - Current$0.595
04/03/2014 - 04/17/2014$0.573
03/19/2014 - 04/02/2014$0.571
03/07/2014 - 03/18/2014$0.577
02/06/2014 - 03/06/2014$0.575
01/23/2014 - 02/05/2014$0.562
01/15/2014 - 01/22/2014$0.543
01/03/2014 - 01/14/2014$0.555
12/10/2013 - 01/02/2014$0.541
12/01/2013 - 12/09/2013$0.516
11/06/2013 - 11/30/2013$0.492
11-01/2013 - 11/05/2013$0.503
36 Month Fixed Price04/18/2014 - Current$0.587
04/03/2014 - 04/17/2014$0.566
03/19/2014 - 04/02/2014$0.561
03/07/2014 - 03/18/2014$0.565
02/06/2014 -03/06/2014$0.559
01/23/2014 - 02/05/2014 $0.553
01/15/2014 - 01/22/2014$0.537
01/03/2014 - 01/14/2014$0.550
12/10/2013 - 01/02/2014$0.539
12/01/2013 - 12/09/2013$0.520
11-06/2013 - 11/30/2013$0.503
11-01/2013 - 11/05/2013$0.513
Monthly Variable RateApril 2014 Billing$0.576
March 2014 Billing$1.163
March 2014 Billing$1.172
February 2014 Billing$0.863
January 2014 Billing$0.548
December 2013 Billing$0.454
November 2013 Billing$0.440
October 2013 Billing$0.429
September 2013 Billing$0.428
August 2013 Billing$0.427
July 2013 Billing$0.440
June 2013 Billing$0.491
12 Month Guaranteed Summer Saving with Winter Protection04/18/2014 - Current$0.621
04/03/2014 - 04/17/2014$0.594
03/19/2014 - 04/03/2014$0.597
03/07/2014 - 03/18/2014$0.612
02/06/2014 - 03/06/2014$0.616
01/23/2014 - 02/05/2014$0.588
01/15/2014 - 01/22/2014$0.547
01/03/2014 - 01/14/2014$0.563
12/10/2013 - 01/02/2014$0.545
12/01/2013 - 12/09/2013$0.510
11-06/2013 - 11/30/2013$0.477
11-01/2013 - 11/05/2013$0.490
24 Month Guaranteed Summer Saving with Winter Protection04/18/2014 - Current$0.605
04/03/2014 - 04/17/2014$0.579
03/19/2014 - 04/02/2014$0.577
02/06/2014 - 03/18/2014$0.584
01/23/2014 - 02/06/2014$0.570
01/15/2014 - 01/22/2014$0.544
01/03/2014 - 01/14/2014$0.559
12/10/2013 - 01/02/2014$0.546
12/01/2013 - 12/09/2013$0.520
11-06/2013 - Current$0.495
11-01/2013 - Current$0.506
November 2013 Billing$0.529