Become a Supplier
Start here if you're ready to become a supplier of natural gas services for our customers.
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Virginia
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.
NOTICE:
During 2028, NiSource anticipates transitioning from the current electric File Transfer Protocol (eFTP) format to the Electronic Data Interchange (EDI) format for certain file types. Even though these changes are not expected to take effect until 2028, there are actions you can take now to be ready. Learn more here.
Popular Links
Rate History
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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 Virginia
Reference Material
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Retainage
Here are our current percentages, effective January 2026.
2.5%
CVA Choice
1.0%
CVA Transportation
Transportation
This program is available to all commercial and industrial customers.
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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 Virginia.