Us Geothermal 10-Q 2017 Q3 Quarterly report

Exhibit 32.1

CERTIFICATION

In connection with the quarterly report of U.S. Geothermal Inc. (the “Registrant”) on Form 10-Q for the period ended September 30, 2016, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Dennis J. Gilles, Chief Executive Officer of the Registrant, certify pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to my knowledge:

1.	The Report fully complies with the requirements of Section 13(a) or 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 and results of operations of the Registrant.

Date: November 9, 2016

/s/ Dennis J. Gilles

Dennis J. Gilles

Chief Executive Officer