Important Forms

Most new customers should use the New Customer Enrollment tab in the main menu, but if our Customer Service Representative has asked you to use one of these forms below, simply download the forms you need, fill them out right on your computer*, and return them to us via mail, email or fax. We'll provide confirmation by phone. If you have any questions about these forms, you may call us at 631-728-1066 or click here to contact Quogue-Sinclair online.


* Not supported in all PDF readers. Use Adobe Acrobat Reader for best results. Actual signature required on all forms where applicable.

Mail Forms To:
161 West Montauk Highway
Hampton Bays, NY 11946-2305

Fax Forms To:
(631) 728-2231

Email Forms To:
welcome@quogue-sinclair.com

pdf-icon-transparent-background2-300x300.png New Customer Application
pdf-icon-transparent-background2-300x300.png Certification of Residential Use of Energy Purchase
pdf-icon-transparent-background2-300x300.png Credit Application (to charge payments to your credit card)

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