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Southwestern Energy’s preferred method of payment for vendor invoices is ACH. ACH is a safe and secure network for processing electronic payments, commonly known as direct deposit. All vendors are strongly encouraged to sign up for ACH payments.

Vendor Benefits of Electronic Payments

  • Vendor will receive payments sooner - electronic payments eliminate mail time.
  • Increased security – eliminates the risk of lost or stolen checks.
  • Saves time and money – since the money is electronically deposited in your account, preparing deposits and trips to the bank are eliminated.

What is Required of the Vendor?

  • Valid U.S. bank account
  • E-mail address to receive remittance

How Do I Sign Up?

Registering for electronic payments is easy. Simply print and complete an ACH Authorization Agreement located in the right side bar on this page. This form must be filled out completely and signed by a company representative. Once finished, you can e-mail the form to or fax to 832.796.7905. Please allow a week for processing. Invoices processed after your completed form is received will be paid via ACH.


  • How will I receive my remittance detail? You will receive an e-mail with the payment details including date of deposit, invoice number, invoice date, and invoice amount.
  • Can the remittance be sent to multiple e-mail addresses? We are only able to send the remittance to one e-mail address.
  • What if I receive a payment, but no remittance by e-mail? Contact the accounts payable department at or 832.796.7888. Payment details will be sent again.
  • How often are ACH payments made? ACH payments are processed each business day. Invoices are paid based on vendor terms.
  • How can I change my banking information? Submit another ACH Authorization Agreement with the updated information to