You are here

Contact Gateway Energy Services

Residential customers can reach New Gateway Energy Services at 1-800-313-8333.

Starting New Service

New Gateway Energy Services residential customers should contact 1-800-313-8333 to start new service. The line is open during the following times, in Eastern Standard Time (EST):

Days of the week Hours
Monday - Thursday 9 AM to 8 PM
Friday 9 AM to 6 PM

Commercial customers should be sure to call 1-800-715-8777 to start new service.

Fax Line for New Customers

If you'd like to send an inquiry about new service via fax, you can reach Gateway Energy Services at 1-845-503-2290.

Main Customer Service Line

Call 1-800-805-8586 to speak with a Gateway Energy Services representative about billing, account, and rate issues. Also be sure to call this number to change your account address, if you are moving for example. Customers calling from Texas should dial 1-888-601-2178.

Customer service representatives are available during the following times, in Eastern Standard Time (EST):

Days of the week Hours
Monday - Thursday 9 AM to 8 PM
Friday 9 AM to 6 PM

Main Fax Line

Existing customers can reach Gateway Energy Services via fax at 1-877-326-6810.

Contact by Email

Depending on whether you are a new or existing customer, you can contact Gateway Energy Services at the following email addresses:

Customer Type Email Address
New Customers sales@gesc.com
Existing Customers customercare@gesc.com

Mailing Addresses

You can reach Gateway Energy Services by mail:

Customer Type Address
Existing Customers Customer Care Department
Gateway Energy Services
400 Rella Blvd., Suite 300
Montebello, N.Y. 10901
New Customers Sales Department
Gateway Energy Services
400 Rella Blvd., Suite 300
Montebello, N.Y. 10901
Pennsylvania Office Gateway Energy Services
190 Welles St., Ste 110
Forty Fort, PA 18704

More Information

Read more about the company on our Gateway Energy Services company profile page, or read Gateway Energy Services customer reviews. You can also compare reviews with other suppliers.

Callmepower is independent and not affiliated with any supplier or utility.