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Welcome to our Long Island NY Business site.

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Where can we help you today?

1 Important Alert(s)


The US Postal service is reporting significant delays in shipping mail to all of New York State. Please note that you can view or pay your National Grid bill 24/7 by signing into your account. In addition, our Paperless Billing program offers the faster and environmentally greener convenience of email bill delivery. Consider enrolling today.

Frequently Asked Questions

Reset your password here.  You will be asked to provide your e-mail address/sign-in ID followed by a security question.  When you answer correctly, you will be able to reset your password.

Reset your sign-in ID here.  You will be asked to provide your e-mail address that you have on your Web Profile and you will receive an email with your sign-in ID.

Our Customer Service Department is here to help.  Please call us at 1-800-930-5003, Monday–Friday, 8:00am to 8:00pm.

Please visit the Services & Rebates page for a list of energy saving services and rebates available.  You may filter the list by selecting the criteria applicable to you on the left hand side.

You may also browse through the different energy saving programs that we offer.

For gas leak and gas emergencies, call 1-800-490-0045 or 911 immediately.

Emergency support is available 24 hours a day, every day.

There are a number of variables that can cause your energy bill to fluctuate each month.  Changes in the season can have an impact on the amount of electricity and gas you use. Another factor could be the operation of your equipment. You can find more information about why my bill may vary and how to gain more control over usage on our site.

To view more about saving energy, visit our website for ways to save
We also recommend enrolling in a Budget Plan for a more balanced monthly bill.

If you manage multiple accounts registered under your web profile, you can unlink/remove an account by:

  1. Sign in to the “Manage my accounts” webpage, select “Unlink accounts” from the “Perform an action” dropdown.
  2. Select the accounts you want to remove and continue.

Note: Accounts enrolled in paperless billing or any automated payments must be de-enrolled from these programs before the account can be unlinked from the profile. You can de-enroll from your Account Settings page.