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EXHIBIT 12.1

OFFICERS
CERTIFICATE PURSUANT TO SECTION 302*

I, Brian D. Fairbank,
certify that:

|1. | I have reviewed this
      Annual Report on Form 20-F for the fiscal year ended June 30, 2007 of
      NevadaGeothermal Power 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 statea 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 small business
      issuer as of, and for, the periods presented in this
      report;                                 
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|   |                                                                                                                                                                                                                                                                                                                                                                 
|4. | The small business
      issuers other certifying officer(s) and I are responsible for
      establishing and maintainingdisclosure controls and procedures (as
      defined in Exchange Act Rules 13a-15(e) and 15d-15 (e)) for the small
      business issuer and have:                                                                                    
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|   | (a)                                                                                                                                                                                                                                                                                                                                                             
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|   | (b)                                                                                                                                                                                                                                                                                                                                                             
|   |                                                                                                                                                                                                                                                                                                                                                                 
|   | (c)                                                                                                                                                                                                                                                                                                                                                             
|   |                                                                                                                                                                                                                                                                                                                                                                 
|   | (d)                                                                                                                                                                                                                                                                                                                                                             
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|5. | The small business
      issuers other certifying officer(s) and I have disclosed, based on our
      most recentevaluation of internal control over financial
      reporting, to the small business issuers auditors and the audit committee
      of the small business issuers board of directors (or persons
      performing the equivalent functions):
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|   | (a)                                                                                                                                                                                                                                                                                                                                                             
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|   | (b)                                                                                                                                                                                                                                                                                                                                                             
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Date: January 15,
2008

By: /s/ Brian D. Fairbank   Name: Brian D. Fairbank Title: Chief Executive
Officer

*The introductory portion of paragraph 4 of the
Section 302 certification that refers to the certifying officers responsibility
for establishing and maintaining internal control over financial reporting for
the company, as well as paragraph 4(b), have been omitted in accordance with
Release No. 33-8760 (December 15, 2006) because the compliance period has been
extended for small business issuers until the first fiscal year ending on or
after December 15, 2007.

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