Exhibit 32.1

CERTIFICATION
PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In accordance with 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, Marc Hazout, the Chief Executive Officer of SusGlobal Energy Corp. (the "Registrant"), and Ike Makrimichalos, the Chief Financial Officer of the Registrant, each hereby certifies that, to the best of his knowledge:

1.The Registrant's Quarterly Report on Form 10-Q for the period ended March 31, 2023, to which this Certification is attached as Exhibit 32.1 (the "Report"), fully complies with the requirements of Section 13(a) or Section 15(d) of the Securities Exchange Act of 1934, as amended; and

2.The information contained in the Report fairly presents, in all material respects, the financial condition of the Registrant at the end of the period covered by the Report and results of operations of the Registrant for the periods covered by the Report.

Date: May 15, 2023

By:	/s/ Marc Hazout
	Marc Hazout
	Chief Executive Officer
	(Principal Executive Officer)
By:	/s/ Ike Makrimichalos
	Ike Makrimichalos
	Chief Financial Officer
	(Principal Financial and Accounting Officer)