Exhibit 99.3

November 18, 2021

Power & Digital Infrastructure Acquisition Corp.

321 North Clark Street, Suite 2440

Chicago, IL 60654

Consent to Reference in Proxy Statement/Prospectus

Power & Digital Infrastructure Acquisition Corp. (the “Company”) has filed a Registration Statement on Form S-4 with the Securities and Exchange Commission under the Securities Act of 1933, as amended (the “Securities Act”). In connection therewith, I hereby consent, pursuant to Rule 438 of the Securities Act, to the reference to me in the proxy statement/prospectus included in such registration statement as a future member of the board of directors of the Company.

Sincerely,

/s/ Darin Feinstein

Name: Darin Feinstein