Welcome Suppliers

Welcome Suppliers

What's New 

NAESB Gas Day Changes Effective April 1, 2016

Please be advised that Columbia Gas of Maryland will be matching all of the deadlines related to the NAESB 3.0 nomination cycle changes scheduled to take effect April 1, 2016.

These are the new nomination deadlines: 


All times EST




Current Standards

Revised Standards (4/1/16)

Timely Cycle

12:30 PM

2:00 PM

Evening Cycle

7:00 PM

7:00 PM

Intraday 1 Cycle

11:00 AM

11:00 AM

Intraday 2 Cycle

6:00 PM

3:30 PM

Intraday 3 Cycle


8:00 PM


Please feel free to reach out to your Nominations Specialist at nominations@nisource.com  for further assistance or clarification.


This website is designed for our gas suppliers' use. If you are a customer interested in CHOICE Information, please visit our customer website.