National Grid | Corporate Info | vendor_setup_process_all_all

Supplier Setup Process

In order to proceed with the supplier setup process, you must first go through National Grid’s qualifying process. If you have not been prequalified, please contact National Grid’s Procurement Administration, by using the link on the right, for instructions on becoming an eligible supplier.

Please print and read the below form.

Instructions for Completing Required Forms (pdf)

1. New Supplier Application (pdf)

2. W-9 Taxpayer ID Number and Certification (pdf)

3. W-8 BEN-Certificate of Foreign Status of Beneficial Owner for U.S. Tax Withholding (pdf)

4. EEO and SBA Compliance Certificate (pdf)

5. Business Ownership Statement and Certification Affidavit (pdf)

6. ACH Payment Authorization Overview and FAQs (pdf)

7. ACH Payment Authorization (pdf)

8. North American Electric Reliability Corporation (NERC) Cyber Security Standards (pdf)

Contact National Grid

Contact Information for National Grid Procurement

General Inquiry