Integrys Natural Gas Products for Illinois Nicor Gas Customers

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 Nicor Customers! Select a product 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 Price11-12-2014 - Current$0.590
11-04-2014 - 11-11-2014$0.560
10-22-2014 - 11-03-2014$0.537
10-06-2014 - 10-22-2014$0.562
09-30-2014 - 10-05-2014$0.580
09-03-2014 - Current$0.562
08/08/2014 - 09/02/2014$0.559
07/22/2014 - 08/07/2014$0.550
07/07/2014 - 07/21/2014$0.575
06/26/2014 - 07/06/2014$0.599
06/09/2014 - 06/25/2014$0.620
05/30/2014 - 06/08/2014$0.598
24 Month Fixed Price11-12-2014 - Current$0.575
11-04-2014 - 11-11-2014$0.559
10-22-2014 - 11-03-2014$0.537
10-06-2014 - 10-22-2014$0.555
09-30-2014 - 10-05-2014$0.571
09-03-2014 - Current$0.559
08/08/2014 - 09/02/2014$0.560
07/22/2014 - 08/07/2014$0.555
07/07/2014 - 07/21/2014$0.573
06/26/2014 - 07/06/2014$0.582
06/09/2014 - 06/25/2014$0.598
05/30/2014 - 06/08/2014$0.582
36 Month Fixed Price11-12-2014 - Current$0.565
11-04-2014 - 11-11-2014$0.560
10-22-2014 - 11-03-2014$0.540
10-06-2014 - 10-22-2014$0.554
09-30-2014 - 10-05-2014$0.568
09-03-2014 - Current$0.556
08/08/2014 - 09/02/2014$0.559
07/22/2014 - 08/07/2014$0.559
07/07/2014 - 07/21/2014$0.570
06/26/2014 - 07/06/2014$0.579
06/09/2014 - 06/25/2014$0.591
05/30/2014 - 06/08/2014$0.578
Monthly Variable RateNovember 2014 Billing$0.458
November 2014 Billing$0.487
October 2014 Billing$0.487
September 2014 Billing$0.480
August 2014 Billing$0.467
July 2014 Billing$0.546
June 2014 Billing$0.545
April 2014 Billing$0.576
March 2014 Billing$1.167
March 2014 Billing$1.172
February 2014 Billing$0.863
January 2014 Billing$0.548
12 Month Guaranteed Summer Saving with Winter Protection11-12-2014 - Current$0.610
11-04-2014 - 11-11-2014$0.572
10-22-2014 - 11-03-2014$0.547
10-06-2014 - 10-22-2014$0.575
09-30-2014 - 10-06-2014$0.592
09-03-2014 - Current$0.572
08/08/2014 - 09/02/2014$0.569
07/22/2014 - 08/07/2014$0.562
07/07/2014 - 07/21/2014$0.594
06/26/2014 - 07/06/2014$0.610
06/09/2014 - 06/26/2014$0.631
05/30/2014 - 06/08/2014$0.607
24 Month Guaranteed Summer Saving with Winter Protection11-12-2014 - Current$0.595
11-04-2014 - 11-11-2014$0.573
10-22-2014 - 11-03-2014$0.550
10-06-2014 - 10-22-2014$0.571
09-30-2014 - 10-05-2014$0.586
09-03-2014 - Current$0.573
08/08/2014 - 09-02-2014$0.574
07/22/2014 - 08/07/2014$0.569
07/07/2014 - 07/21/2014$0.588
06/26/2014 - 07/06/2014$0.599
06/09/2014 - 06/25/2014$0.612
05/30/2014 - 06/08/2014$0.595

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 Nicor Customers! Select a product 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 Price11-12-2014 - Current$0.590
11-04-2014 - 11-11-2014$0.560
10-22-2014 - 11-03-2014$0.537
10-06-2014 - 10-22-2014$0.562
09-30-2014 - 10-05-2014$0.580
09-03-2014 - Current$0.562
08/08/2014 - 09/02/2014$0.559
07/22/2014 - 08/07/2014$0.550
07/07/2014 - 07/21/2014$0.575
06/26/2014 - 07/06/2014$0.599
06/09/2014 - 06/25/2014$0.620
05/30/2014 - 06/08/2014$0.598
24 Month Fixed Price11-12-2014 - Current$0.575
11-04-2014 - 11-11-2014$0.559
10-22-2014 - 11-03-2014$0.537
10-06-2014 - 10-22-2014$0.555
09-032014 - 10-05-2014$0.559
08/08/2014 - 09/02/2014$0.560
07/22/2014 - 08/07/2014$0.555
07/07/2014 - 07/21/2014$0.573
06/26/2014 - 07/06/2014$0.582
06/09/2014 - 06/25/2014$0.598
05/30/2014 - 06/08/2014$0.582
05/12/2014 - 05/29/2014$0.579
36 Month Fixed Price11-12-2014 - Current$0.565
11-04-2014 - 11-11-2014$0.560
10-22-2014 - 11-03-2014$0.540
10-06-2014 - 10-22-2014$0.554
09-30-2014 - 10-05-2014$0.568
09-03-2014 - Current$0.556
08/08/2014 - 09/02/2014$0.559
07/22/2014 - 08/07/2014$0.559
07/07/2014 - 07/21/2014$0.570
06/26/2014 - 07/06/2014$0.579
06/09/2014 - 06/25/2014$0.591
05/30/2014 - 06/08/2014$0.578
Monthly Variable RateNovember 2014 Billing$0.458
November 2014 Billing$0.487
October 2014 Billing$0.487
September 2014 Billing$0.480
August 2014 Billing$0.467
July 2014 Billing$0.546
June 2014 Billing$0.545
April 2014 Billing$0.576
March 2014 Billing$1.163
March 2014 Billing$1.172
February 2014 Billing$0.863
January 2014 Billing$0.548
12 Month Guaranteed Summer Saving with Winter Protection11-12-2014 - Current$0.610
11-04-2014 - 11-11-2014$0.572
10-22-2014 - 11-03-2014$0.547
10-06-2014 - 10-22-2014$0.575
09-03-2014 - Current$0.572
08/08/2014 - 09/02/2014$0.569
07/22/2014 - 08/07/2014$0.562
07/07/2014 - 07/21/2014$0.594
06/26/2014 - 07/06/2014$0.610
06/09/2014 - 06/26/2014$0.631
05/30/2014 - 06/08/2014$0.607
05/12/2014 - 05/29/2014$0.608
24 Month Guaranteed Summer Saving with Winter Protection11-12-2014 - Current$0.595
11-04-2014 - 11-11-2014$0.573
10-22-2014 - 11-03-2014$0.550
10-06-2014 - 10-22-2014$0.571
09-30-2014 - 10-05-2014$0.586
08/08/2014 - 09/02/2014$0.574
07/22/2014 - 08/07/2014$0.569
07/07/2014 - 07/21/2014$0.588
06/26/2014 - 07/06/2014$0.599
06/09/2014 - 06/25/2014$0.612
05/30/2014 - 06/08/2014$0.595
05/12/2014 - 05/29/2014$0.592