Choice
This program is available is available for all customers using less than or equal to 6,000 Mcf annually.
Read More
Ohio
Welcome Suppliers
This website will provide information to natural gas suppliers or those interested in becoming suppliers within our service territory.
Natural gas service rates, regulations and rules can be found in the Tariff.
RECENT NEWS
09/09/2025
Planned EMDCS Outage in Aviator
Please be advised that due to scheduled system upgrades, EMDCS in Aviator will experience a planned outage beginning Thursday, September 11, 2025, through Sunday, September 14, 2025. Business as usual (BAU) operations will begin on Monday, September 15, 2025.
During the planned outage, EMDCS data in Aviator will be temporarily unavailable. Data access will be restored as soon as possible after the upgrade. Please continue to monitor Aviator for updates throughout the outage period. We appreciate your patience and understanding as we work to enhance system performance and reliability. If you have questions, please contact your assigned GTS Specialist.
Popular Links
Rate History
Select Year
pdf
402 KB
pdf
402.9 KB
pdf
290.4 KB
pdf
291 KB
pdf
293.6 KB
pdf
289.4 KB
pdf
290.1 KB
pdf
290.1 KB
pdf
104.6 KB
pdf
290.2 KB
pdf
290.2 KB
pdf
305.6 KB
pdf
289.5 KB
pdf
238.2 KB
pdf
239.1 KB
pdf
295.7 KB
pdf
124 KB
pdf
256.3 KB
pdf
221.6 KB
pdf
226.4 KB
pdf
223 KB
pdf
257.1 KB
pdf
257.1 KB
pdf
256.3 KB
pdf
229.2 KB
pdf
215.3 KB
pdf
217.6 KB
pdf
217.7 KB
pdf
224.5 KB
pdf
224.8 KB
pdf
228.1 KB
pdf
193.2 KB
pdf
225 KB
pdf
224.9 KB
pdf
225.3 KB
pdf
225 KB
pdf
224.3 KB
pdf
224.4 KB
pdf
224.7 KB
pdf
225.3 KB
pdf
225.1 KB
pdf
225.2 KB
pdf
227.6 KB
Nominations
We're here to support your nominations activities at any time. If you have questions about nominations, please contact us. All nominations deadlines are listed in EST.
On a limited basis, our program allows bank and gas transfers.
Nominations Deadlines
2 PM
Timely Cycle
7 PM
Evening Cycle
11 AM
Intraday 1 Cycle
3:30 PM
Intraday 2 Cycle
8 PM
Intraday 3 Cycle
Explore Ohio
Reference Material
pdf
119.7 KB
pdf
pdf
89.7 KB
pdf
376.8 KB
Retainage
Here are our current percentages, effective January 2025.
0.0%
COH Choice
0.0%
COH Transportation
SGTS/GTS
1.0%
COH Transportation
LGTS
Transportation
This program is available to all commercial and industrial customers. Those using less than 6,000 Mcf annually shall be required to have standby.
Read More
Aviator Contact
Password Support
1-866-891-4127
Other Support
TransporationSupport@NiSource.com
Choice Contact
File Exchange Contact
Credit Support Contact
TransportEvaluations@NiSource.com
Transportation Service Contact
Columbia Gas: GTSTeam@NiSource.com
NIPSCO: GTS@NiSource.com
Nominations Contact
NiSource
NiSource, the parent company of Columbia Gas and NIPSCO, is a premier regulated utility company providing services to millions of residential customers and businesses depending on reliable, affordable energy.
© Columbia Gas of Ohio.