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Welcome to our Long Island NY Business site.

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Where can we help you today?

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Report a Gas Emergency

24 hours a day, every day

1-800-490-0045 or 911 

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Call Us

Monday-Friday, 8:00am-8:00pm

1-800-930-5003 

Service in English & Español. Hearing/speech impaired customers may call 711.
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Manage Energy Supplier

Use this form to block your account from being enrolled without consent  or to cancel service with your current Energy Supplier Company.
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Search for a nearby payment or customer service center or send your payment by mail:
National Grid P.O Box 11791 Newark, NJ 07101-4791
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