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Exhibit 31.1

CERTIFICATIONS

I, Daniel J. Kunz certify that:

|1. | I have reviewed this Form 10-K of U.S. Geothermal,
        Inc.;                                                                                                                                                                                                                                                                          
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|2. | Based on my knowledge, this report does not
        contain any untrue statement of a material fact or omit to state a material
        fact necessary to make the statements made, in light of the circumstances
        under which such statements were made, not misleading with respect to
        the period covered by this report;
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|3. | Based on my knowledge, the financial statements,
        and other financial information included in this report, fairly present
        in all material respects the financial condition, results of operations
        and cash flows of the business issuer as of, and for, the periods presented
        in this report;              
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|4. | The registrants other certifying officer
        and I are responsible for establishing and maintaining disclosure controls
        and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d- 15(e))
        for the registrant and have:                                                                                      
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|   | d                                                                                                                                                                                                                                                                                                                                         
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|5. | The registrants other certifying officer
        and I have disclosed, based on our most recent evaluation of internal
        control over financial reporting, to the registrants auditors and
        the audit committee of the registrants board of directors:                                                                    
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|   | b                                                                                                                                                                                                                                                                                                                                         

|Date: June 26, 2007     | 
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|/s/ Daniel J. Kunz      | 
|Daniel J. Kunz          | 
|Chief Executive Officer | 

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