At CNG, we want to make the process of starting or stopping service simple and convenient for our customers.

Please call CNG's Customer Care Center and someone will assist you Monday through Friday, 8:00 a.m. to 6:00 p.m.

• Hartford:  860.524.8361
• Greenwich:  203.869.6900

Terms and Conditions

The following terms and conditions apply to all gas Rates. A copy of CNG's Rules and Regulations are on file with the Public Utilities Regulatory Authority.

A written application for meter installation and supply of gas will be required from each customer for each meter installed. CNG may reject an application of a former customer who is indebted to CNG.

• Any customer starting the use of natural gas without sufficient notification to enable CNG to read the meter will be held responsible for any amount due for gas supplied from the time of the last reading of meter.
• Only authorized representatives of CNG or its agents have the right to turn on, turn off, connect or disconnect a meter or service pipe; or repair maintain or disconnect other property owned by the company.
• Gas service is sold upon the express condition that it shall be supplied exclusively by CNG and that the customer shall not directly or indirectly sell, sublet, assign or otherwise dispose of the gas or any part thereof without the written consent of CNG.

Any applicant for service and any customer to whom service is being supplied may be required to deposit a sum equal to the estimated charges for gas. Residential customers may be required to pay an amount equal to 3/12th's of a year's estimated billing; commercial customers may be required to pay an amount equal to the estimated maximum bill for 90 days. Deposits shall be returned (1) where satisfactory credit has been established, or (2) upon termination of service, less any amount then due, together with accrued interest. Simple interest at the deposit index rate established annually in accordance with Public Act 93-242, will be allowed on all deposits from date of deposit.

To update your bank and/or credit card information, please perform the following steps:

1. Please sign-in to My Account and click "Pay"
2. Select "Payments" from the top menu bar
3. Scroll and select "View Payment Accounts"
4. Select "Edit" for your method of payment (Bank/Credit Card)
5. Edit your payment information accordingly

Enrolling in My Account allows you to pay your utility bill at no charge using a checking/savings account or credit card. To enroll in My Account, you will need the following information from your bill:

• Account Number
• Customer Name Key
  (When entering your Customer Name Key, enter the information in capital letters, exactly as it appears on your bill.  When entering your account number, do not include dashes or spaces)
• Mailing Address (where the bill is mailed to)

Once enrolled, you can add additional accounts to your profile and add banking and/or credit card information. If you choose to pay your bill online, you will stop receiving bills in the mail.  Instead, you will receive an email notifying you when your bill is ready.  You can still view and print your current and past bills from My Account.

To setup recurring payments, please perform the following steps:

1. Please sign-in to My Account and click "Pay"
2. Select "Payments" from the top menu bar
3. Scroll and select "View Recurring Payments"
4. Click "Add Recurring Payments"
5. Complete the online form to set up your recurring

Connecticut Natural Gas offers several convenient ways to pay your bill.  Select the payment method most convenient for you.  Please note, as authorized by law, we supply payment information for residential accounts to credit rating agencies. If your account is more than 90 days delinquent, a delinquency report could harm your credit rating.

Pay Online

By enrolling in My Account, you can view and pay your CNG bill online.

Make a "One-Time Payment" Online

You can make one-time payment using a credit/debit card or your bank account. 

Mail Your Payment

Please make your check payable to the Connecticut Natural Gas Corporation and mail to:

Connecticut Natural Gas Corporation |  P.O. Box 9245 | Chelsea, MA 02150-9230

Please include your account number on your check or money order and allow sufficient time for your payment to be received and processed by CNG.

No Fee Payment Agents

We have expanded our network of authorized payment centers for your convenience. Our walk-in locations make paying your bill in person convenient, fast, safe and reliable. Our authorized payment agents are conveniently located throughout our service territory and, you'll save time by using the location closest to home. There is no fee to use these locations.

Once you make payment on your account, it is not necessary to call in your payment and receipt information as this information is automatically posted to your account. However, if you make your payment on the "Due Date" it might not post until the following business day.  Please pay your bill before the due date to avoid late payment charges or service interruption.