Welcome to Pattern Energy's Vendor Portal




Follow instructions below to complete a W-8 or W-9 form.

W-8 or W-9 Forms
1) Please click on Yes or No for each answer below to guide you to the correct IRS W-8 or W-9 Form.
2) As you answer one question, other appropriate questions may appear based on your answers.
3) Kindly answer all questions.
4) Sign and submit the completed W-9 or W-8 form.

YesNo - Are you a U.S. citizen, U.S. entity or other U.S. person, including a resident alien individual?

If you wish to go directly to our online forms and bypass these questions, click on the following forms: