Exhibit 10.1

Subscription Agreement

U.S. Geothermal Inc.
1505 Tyrell Lane
Boise, Idaho 83706

Gentlemen:

The undersigned (the “‘Investor”) hereby confirms its agreement with U.S. Geothermal Inc., a Delaware corporation (the “Company”), as follows:

1.

This Subscription Agreement, including the Terms and Conditions For Purchase of Units attached hereto as Annex I (collectively, (this “Agreement”) is made as of the date set forth below between the Company and the Investor.

2.

The Company has authorized the sale and issuance to certain investors of up to an aggregate of 5,000,000 units of the Company (the “Units”), subject to adjustment by the Company’s Board of Directors, or a committee thereof, with each Unit consisting of (i) one share of common stock of the Company, par value US$0.001 per share (the “Common Shares”), and (ii) one-half of one common share purchase warrant (a “Warrant” and, collectively, the “Warrants”). Each whole Warrant will entitle the holder to purchase one (1) Common Share at an exercise price of US$1.075 per Common Share (subject to adjustment) and is exercisable for a period of twelve (12) months from the Closing Date (as defined in Annex 1). The certificate representing the Warrants shall be in substantially the form of Exhibit B attached hereto (the “Warrant Certificate”). The aggregate of up to 5,000,000 Common Shares so proposed to be sold is hereinafter referred to as the “Shares.” The Units will not be issued or certificated. The Shares and the Warrants are immediately separable and will be issued separately. The Common Shares issuable upon exercise of the Warrants are referred to herein as the “Warrant Shares” and, together with the Units, the Shares and the Warrants, are referred to herein as the “Securities”).

3.

The offer and sale of the Units (the “Offering”) are being made pursuant to (1) the Company’s effective Registration Statement including a base prospectus (the “Base Prospectus”) on Form S-3 (File No. 333-170202) (which, together with all amendments or supplements thereto is referred to herein as the “Registration Statement”) filed by the Company with the U.S. Securities and Exchange Commission (the “Commission”), (2) if applicable, certain “free writing prospectuses” (as that term is defined in Rule 405 under the U.S. Securities Act of 1933, as amended (the “Securities Act”)), that have been or will be filed with the Commission and delivered to the Investor on or prior to the date hereof (each, an “Issuer Free Writing Prospectus”), and (3) a Prospectus Supplement (the “Prospectus Supplement” and together with the Base Prospectus, the “Prospectus”) containing certain supplemental information regarding the Units and the terms of the Offering that has been or will be filed with the Commission and delivered to the Investor (or made available to the Investor by the filing by the Company of an electronic version thereof with the Commission).

4.

The Company and the Investor agree that the Investor will purchase from the Company and the Company will issue and sell to the Investor the Units set forth below for the aggregate purchase price set forth below. The Units shall be purchased pursuant to the Terms and Conditions for Purchase of Units attached hereto as Annex I and incorporated herein by this reference as if fully set forth herein. The Investor acknowledges that the Offering is not being underwritten by the placement agent (the “Placement Agent”) named in the Prospectus Supplement and that there is no minimum offering amount.

5.

The manner of settlement of the Common Shares included in the Units purchased by the Investor shall be as follows:

N.B. Wire instructions to Dorsey & Whitney (or such other funds recipient as may be agreed upon by the Company, the Placement Agent and the Investors, subject to the satisfaction of all regulatory requirements) will be provided separately.

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N.B. Wire instructions to Dorsey & Whitney (or such other funds recipient as may be agreed upon by the Company, the Placement Agent and the Investor, subject to the satisfaction of all regulatory requirements) will be provided separately.

IT IS THE INVESTOR’S RESPONSIBILITY TO (A) MAKE THE NECESSARY WIRE TRANSFER OR CONFIRM THE PROPER ACCOUNT BALANCE IN A TIMELY MANNER AND (B) UNLESS BOX 5.B. IS CHECKED, ARRANGE FOR SETTLEMENT BY WAY OF DWAC IN A TIMELY MANNER. IF THE INVESTOR DOES NOT DELIVER THE AGGREGATE PURCHASE PRICE FOR THE UNITS OR DOES NOT MAKE PROPER ARRANGEMENTS FOR SETTLEMENT IN A TIMELY MANNER, THE SHARES AND WARRANTS MAY NOT BE DELIVERED AT CLOSING TO THE INVESTOR OR THE INVESTOR MAY BE EXCLUDED FROM THE CLOSING ALTOGETHER.

6.

The executed Warrants shall be delivered in accordance with the terms thereof.

7.

The Investor represents that, except as set forth below, (a) it has had no position, office or other material relationship within the past three years with the Company or persons known to it to be affiliates of the Company, (b) it is not a member of the Financial Industry Regulatory Authority, Inc. (“FINRA”) or an Associated Person (as such term is defined under the FINRA’s NASD Membership and Registration Rules Section 1011) as of the Closing, and (c) neither the Investor nor any group of Investors (as identified in a public filing made with the Commission) of which the Investor is a part in connection with the Offering, acquired, or obtained the right to acquire, twenty percent (20%) or more of the Common Shares (or securities convertible into or exercisable for Common Shares) or the voting power of the Company on a post-transaction basis. Exceptions:

____________________________________________________________________

(If no exceptions, write “none.” If left blank, response will be deemed to be “none.”)

8.

The Investor represents that it has received (or otherwise had made available to it by the filing by the Company of an electronic version thereof with the Commission) the Base Prospectus contained as part of the Company’s Registration Statement filed on November 24, 2010 and declared effective on December 1, 2010, the documents incorporated by reference therein and any Issuer Free Writing Prospectus (collectively, the “Disclosure Package”), prior to or in connection with the receipt of this Agreement.

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9.

No offer by the Investor to buy Units will be accepted and no part of the Purchase Price will be delivered to the Company until the Investor has received the Disclosure Package and the Company has accepted such offer by countersigning a copy of this Agreement, and any such offer may be withdrawn or revoked, without obligation or commitment of any kind, at any time prior to the Company (or the Placement Agent on behalf of the Company) sending (orally, in writing or by electronic mail) notice of its acceptance of such offer. An indication of interest will involve no obligation or commitment of any kind until the Investor has been delivered the Disclosure Package and this Agreement is accepted and countersigned by or on behalf of the Company.

[Remainder of Page Intentionally Left Blank; Signature Page Follows]

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Number of Units: _________________________
Purchase Price Per Unit: US$1.00                               
Aggregate Purchase Price: US$__________________________
Number of Warrant Shares (equal to number of Units multiplied by 0.5 and rounded down to the nearest whole number): _______________________________________

Please confirm that the foregoing correctly sets forth the agreement between us by signing in the space provided below for that purpose.

[Signature Page to Subscription Agreement]

ANNEX 1

TERMS AND CONDITIONS FOR PURCHASE OF UNITS

1.

Authorization and Sale of the Units. Subject to the terms and conditions of this Agreement, the Company has authorized the sale of the Units.

2.

Agreement to Sell and Purchase the Units; Placement Agent.

2.1

At the Closing (as defined in Section 3.1). the Company will sell to the Investor, and the Investor will purchase from the Company, upon the terms and conditions set forth herein, the number of Units set forth on the last page of the Agreement to which these Terms and Conditions for Purchase of Units are attached as Annex I (the “Signature Page”) for the aggregate purchase price therefor set forth on the Signature Page.

2.2

The Company proposes to enter into substantially this same form of Subscription Agreement with each investor that was solicited (collectively, the “Other Investors”) and expects to complete sales of Units to them. The Investor and the Other Investors are hereinafter sometimes collectively referred to as the “Investors”.

2.3

The Investor acknowledges that the Company intends to pay Prosdocimi Limited (the “Placement Agent”) a fee payable in Units equal to 2.5% of that portion of the offering outside of the Unites States and certain expenses in respect of the sale of the Units.

2.4

The Company confirms that neither it nor any other person acting on its behalf has provided the Investor or their agents or counsel with any information that constitutes or could reasonably be expected to constitute material, nonpublic information, except as will be disclosed in the Prospectus and/or in any Current Report on Form 8-K filed or to be filed by the Company with the Commission. The Company understands and confirms that the Investor will rely on the foregoing representations in effecting transactions in securities of the Company.

3.

Closings and Delivery of the Units and Funds.

3.1

Closing. The completion of the purchase and sale of the Units (the “Closing”) will occur at a place and time (the “Closing Date”) to be specified by the Company and the Placement Agent, and of which the Investors will be notified in advance by the Placement Agent in accordance with Rule 15c6-l promulgated under the U.S. Securities Exchange Act of 1934, as amended (the “Exchange Act”). Under Rule 15c6-1 under the Exchange Act, trades in the secondary market generally are required to settle in three business days, unless the parties to any such trade expressly agree otherwise. The Closing Date may not occur within three business days of the execution of this Agreement. Accordingly, Investors who wish to trade Shares on any day prior to three business days before delivery should consult their own advisors and may be required to specify alternative settlement arrangements to prevent a failed settlement. At the Closing, (a) the Company shall cause Computershare, the Company’s transfer agent (the “Transfer Agent”), to deliver to the Investor the number of Shares set forth on the Signature Page registered in the name of the Investor or, if so indicated on the Investor Questionnaire attached hereto as Exhibit A, in the name of a nominee designated by the Investor, (b) the Company shall cause to be delivered to the Investor one Warrant Certificate representing the right to purchase the number of Warrant Shares set forth on the Signature Page, and (c) the aggregate purchase price for the Units being purchased by the Investor will be delivered by or on behalf of the Investor to the Company.

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3.2

Conditions to the Obligations of the Parties.

(a)

Conditions to the Company’s Obligations. The Company’s obligation to issue and sell the Units to the Investor shall be subject to: (i) the receipt by the Company of the purchase price for the Units being purchased hereunder as set forth on the Signature Page; and (ii) the accuracy of the representations and warranties made by the Investor and the fulfillment of those undertakings of the Investor to be fulfilled prior to the Closing Date.

(b)

Conditions to the Investor’s Obligations. The Investor’s obligation to purchase the Units will be subject to the accuracy of the representations and warranties made by the Company and the fulfillment of those undertakings of the Company to be fulfilled prior to the Closing Date. The Investor’s obligations are expressly not conditioned on the purchase by any or all of the Other Investors of the Units that they have agreed to purchase from the Company.

3.3

Delivery of Funds. Delivery by Wire Transfer. No later than one (1) business day after the execution of this Agreement by the Investor and the Company, the Investor shall remit by wire transfer the amount of funds equal to the aggregate purchase price for the Units being purchased by the Investor to the following account designated by the Company:

N.B. Wire instructions for Dorsey & Whitney (or such other funds recipient as may be agreed upon by the Company, the Placement Agent and the Investors, subject to the satisfaction of all regulatory requirements) will be provided separately.

3.4

Delivery of Shares. Delivery by Electronic Book-Entry at The Depository Trust Company. Unless the Investor has checked Box 5.B. of the Subscription Agreement, no later than one (1) business day after the execution of this Agreement by the Investor and the Company, the Investor shall direct the broker-dealer at which the account or accounts to be credited with the Shares being purchased by such Investor are maintained, which broker/dealer shall be a DTC participant, to set up a DWAC instructing the Transfer Agent to credit such account or accounts with the Shares. Such DWAC instruction shall indicate the settlement date for the deposit of the Shares, which date shall be provided to the Investor by the Placement Agent. Upon the closing of the Offering, the Company shall direct the Transfer Agent to credit the Investor’s account or accounts with the Shares pursuant to the information contained in the DWAC.

4.

Representations, Warranties and Covenants of the Investor.

The Investor acknowledges, represents and warrants to, and agrees with, the Company and the Placement Agent that:

4.1

The Investor (a) is knowledgeable, sophisticated and experienced in making, and is qualified to make decisions with respect to, investments in securities presenting an investment decision like that involved in the purchase of the Units, including investments in securities issued by the Company and investments in comparable companies, and has requested, received, reviewed and considered all information it deemed relevant in making an informed decision to purchase the Units, (b) the Investor has answered all questions on the Investor Questionnaire for use in preparation of the Prospectus Supplement and the answers thereto are true and correct as of the date hereof and will be true and correct as of the Closing Date and (c) the Investor, in connection with its decision to purchase the number of Units set forth on the Signature Page, is relying only upon the Disclosure Package and the documents incorporated by reference therein.

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4.2

(a) No action has been or will be taken in any jurisdiction outside the United States by the Company or the Placement Agent that would permit an offering of the Shares, or possession or distribution of offering materials in connection with the issue of the Shares, in any jurisdiction outside the United States where action for that purpose is required, (b) if the Investor is outside the United States, it will comply with all applicable laws and regulations in each foreign jurisdiction in which it purchases, offers, sells or delivers Shares or has in its possession or distributes any offering material, in all cases at its own expense, (c) the Placement Agent is not authorized to make and has not made any representation, disclosure or use of any information in connection with the issue, placement, purchase and sale of the Securities, except as set forth or incorporated by reference in the Prospectus.

4.3

(a) The Investor has full right, power, authority and capacity to enter into this Agreement and to consummate the transactions contemplated hereby and has taken all necessary action to authorize the execution, delivery and performance of this Agreement, and (b) this Agreement constitutes a valid and binding obligation of the Investor enforceable against the Investor in accordance with its terms, except as enforceability may be limited by applicable bankruptcy, insolvency, reorganization, moratorium or similar laws affecting creditors’ and contracting parties’ rights generally and except as enforceability may be subject to general principles of equity (regardless of whether such enforceability is considered in a proceeding in equity or at law) and except as to the enforceability of any rights to indemnification or contribution that may be violative of the public policy underlying any law, rule or regulation (including any federal or state securities law, rule or regulation).

4.4

The Investor understands that nothing in this Agreement, the Prospectus, the Disclosure Package or any other materials presented to the Investor in connection with the purchase and sale of the Units constitutes legal, tax or investment advice. The Investor has consulted such legal, tax and investment advisors and made such investigation as it, in its sole discretion, has deemed necessary or appropriate in connection with its purchase of Units. The Investor also understands that there is no established public trading market for the Warrants being offered in the Offering, and that the Company does not expect such a market to develop. In addition, the Company does not intend to apply for listing of the Warrants on any securities exchange. The Investor understands that without an active market, the liquidity of the Warrants will be limited.

4.5

The Investor will maintain the confidentiality of all information acquired as a result of the transactions contemplated hereby prior to the public disclosure of that information by the Company in accordance with Section 14 of this Annex.

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4.6

Since the time at which the Placement Agent first contacted such Investor about the Offering, the Investor has not disclosed any information regarding the Offering to any third parties (other than its legal, accounting and other advisors in connection with the Offering) and has not engaged in any purchases or sales of the securities of the Company (including, without limitation, any Short Sales (as defined herein) involving the Company’s securities). The Investor covenants that it will not engage in any purchases or sales of the securities of the Company (including Short Sales) prior to the time that the transactions contemplated by this Agreement are publicly disclosed. The Investor agrees that it will not use any of the Securities acquired pursuant to this Agreement to cover any short position in the Common Shares if doing so would be in violation of applicable securities laws. For purposes hereof, “Short Sales” include, without limitation, all “short sales” as defined in Rule 200 promulgated under Regulation SHO under the Exchange Act, whether or not against the box, and all types of direct and indirect share pledges, forward sales contracts, options, puts, calls, short sales, swaps, “put equivalent positions” (as defined in Rule 16a-1(h) under the Exchange Act) and similar arrangements (including on a total return basis), and sales and other transactions through non-U.S. broker dealers or foreign regulated brokers.

4.7

The Investor represents and warrants that it is a resident of the jurisdiction set out on the execution page of this Agreement, which address is the residence, registered office or place of business of the Investor, and that such Investor (i) is not a resident of Canada nor is it purchasing the Units for the account or benefit of a Canadian resident; (ii) was not offered the Units in Canada, and (iii) did not execute or deliver this Agreement in Canada.

4.8

The Investor agrees that at no time within four (4) months and one (1) day after the Closing Date will it (i) sell, transfer or otherwise dispose of any Securities to a Canadian resident or, (ii) enter into any discussions, negotiations or agreements within Canada with respect to the sale, transfer or disposition of any Securities.

5.

Representations, Warranties and Covenants of the Company.

The Company represents and warrants to, and agrees with, the Investor that:

5.1

The Company and each of its subsidiaries is an entity duly incorporated or otherwise organized, validly existing and in good standing under the laws of the jurisdiction of its incorporation or organization, with the requisite power and authority to own and use its properties and assets and to carry on its business as currently conducted and as described in the Disclosure Package. Neither the Company nor any subsidiary is in violation or default of any of the provisions of its respective certificate or articles of incorporation, bylaws or other organizational or charter documents. The Company and each of its subsidiaries is duly qualified to conduct business and is in good standing as a foreign corporation or other entity in each jurisdiction in which the nature of the business conducted or property owned by it makes such qualification necessary and no proceeding has been instituted in any such jurisdiction revoking, limiting or curtailing or seeking to revoke, limit or curtail such power and authority or qualification.

5.2

The Company has the requisite corporate power and authority to enter into and to consummate the transactions contemplated by this Agreement and otherwise to carry out its obligations hereunder. The execution and delivery of this Agreement by the Company and the consummation by it of the transactions contemplated hereby have been duly authorized by all necessary action on the part of the Company and no further action is required by the Company, the Company’s Board of Directors or the Company’s shareholders in connection therewith. This Agreement has been (or upon delivery will have been) duly executed by the Company and, when delivered in accordance with the terms hereof, will constitute the valid and binding obligation of the Company enforceable against the Company in accordance with its terms.

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5.3

The execution, delivery and performance by the Company of this Agreement, the issuance and sale of the Shares to the Investor and the consummation by it of the transactions contemplated hereby will not (i) conflict with or violate any provision of the Company’s or any subsidiary’s certificate or articles of incorporation, bylaws or other organizational or charter documents, or (ii) result in the creation of any lien upon any of the properties or assets of the Company or any subsidiary, or give to others any rights of termination, amendment, acceleration or cancellation (with or without notice, lapse of time or both) of or conflict with, or constitute a default (or an event that with notice or lapse of time or both would become a default) under, any agreement, credit facility, debt or other instrument (evidencing a Company or subsidiary debt or otherwise) or other understanding to which the Company or any subsidiary is a party or by which any property or asset of the Company or any subsidiary is bound or affected, or (iii) conflict with or result in a violation of any law, rule, regulation, order, judgment, injunction, decree or other restriction of any court or governmental authority to which the Company or a subsidiary is subject (including federal and state securities laws and regulations), or by which any property or asset of the Company or a subsidiary is bound or affected.

5.4

The Company is not required to obtain any consent, waiver, authorization or order of, give any notice to, or make any filing or registration with, any court or other federal, state, local or other governmental authority or any other person or entity (including, without limitation, any shareholder of the Company), in connection with the execution, delivery and performance by the Company of this Agreement and the consummation of the transactions contemplated hereby, including the sale and issuance of the Shares to the Investor, other than the approval of the Toronto Stock Exchange and the NYSE Amex LLC and the filing with the Commission of the Prospectus Supplement, or such other consents or various waivers which have already been obtained.

5.5

The Shares are duly authorized and, when issued and paid for in accordance with this Agreement, will be duly and validly issued, fully paid and non-assessable, free and clear of all liens. The Company has reserved from its duly authorized capital the maximum number of Common Shares issuable pursuant to this Agreement. The Registration Statement conforms with the requirements of the Securities Act of 1933, as amended (the “Securities Act”), including the Base Prospectus, and such amendments and supplements thereto as may have been required as of the date of this Agreement. The Registration Statement is effective in respect of the Shares under the Securities Act and no stop order preventing or suspending the effectiveness of the Registration Statement or suspending or preventing the use of the Prospectus has been issued by the Commission and no proceedings for that purpose have been instituted or, to the knowledge of the Company, are threatened by the Commission. The Company has filed or will file the Prospectus Supplement with the Commission on the date hereof. At the time the Registration Statement and any amendments thereto became effective and at the date of this Agreement, the Registration Statement (including documents incorporated by reference therein) and any amendments thereto filed as of the applicable time, conformed and will conform in all material respects to the requirements of the Securities Act and did not and will not contain any untrue statement of a material fact or omit to state any material fact required to be stated therein or necessary to make the statements therein not misleading; and the Prospectus (including any documents incorporated by reference therein) and any amendments or supplements thereto, at the time the Prospectus or any amendment or supplement thereto was issued and at the Closing Date, conformed and will conform in all material respects to the requirements of the Securities Act and did not and will not contain any untrue statement of any material fact or omit to state a material fact necessary in order to make the statements therein, in light of the circumstances under which they were made, not misleading.

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5.6

The Company has filed all reports, schedules, forms, statements and other documents required to be filed by the Company under the Exchange Act, including pursuant to Section 13(a) or 15(d) thereof, for the two years preceding the date hereof (the foregoing materials, including the exhibits thereto and documents incorporated by reference therein, together with the Prospectus and any Prospectus Supplement, being collectively referred to herein as the “SEC Reports”). The financial statements of the Company included in the SEC Reports comply in all material respects with applicable accounting requirements and the rules and regulations of the Commission with respect thereto as in effect at the time of filing. Such financial statements have been prepared in accordance with United States generally accepted accounting principles applied on a consistent basis during the periods involved (“GAAP”), except as may be otherwise specified in such financial statements or the notes thereto and except to the extent that unaudited financial statements may not contain all footnotes required by GAAP, and such statements fairly present in all material respects the financial position of the Company on a consolidated basis as of and for the dates thereof and the results of operations and cash flows for the periods then ended, subject, in the case of unaudited statements, to normal, immaterial, year-end audit adjustments.

5.7

The Common Shares are registered pursuant to Section 12(b) of the Exchange Act, and the Company has taken no action designed to, or that to its knowledge is likely to have the effect of, terminating the registration of the Common Stock under the Exchange Act nor has the Company received any notification that the Commission is contemplating terminating such registration. The Common Shares are listed on the Toronto Stock Exchange under the symbol “GTH” and NYSE Amex LLC under the symbol “HTM”.

5.8

The Company and the Company’s Board of Directors have taken all necessary action, if any, in order to render inapplicable any control share acquisition, business combination, poison pill (including any distribution under a rights agreement) or other similar anti-takeover provision under the Company’s articles of association (or similar charter documents) or the laws of its jurisdiction of incorporation that is or could become applicable to the Investor as a result of the transactions contemplated hereby and the Company fulfilling their obligations or exercising their rights under this Agreement, including, without limitation, as a result of the Company’s issuance of the Shares and the Investor’s ownership of the Shares.

5.9

The Company acknowledges and agrees that the Investor is acting solely in the capacity of an arm’s length purchaser with respect to this Agreement and the transactions contemplated hereby. The Company further acknowledges that the Investor is not acting as a financial advisor or fiduciary of the Company (or in any similar capacity) with respect to this Agreement and the transactions contemplated thereby and any advice given by the Investor or any of its representatives or agents in connection with this Agreement and the transactions contemplated thereby is merely incidental to the Investor’s purchase of the Shares. The Company further represents to the Investor that the Company’s decision to enter into this Agreement has been based solely on the independent evaluation of the transactions contemplated hereby by the Company and its representatives.

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5.10

The Company has not, and to its knowledge no one acting on its behalf has, (i) taken, directly or indirectly, any action designed to cause or to result in the stabilization or manipulation of the price of any security of the Company to facilitate the sale or resale of any of the Shares, (ii) sold, bid for, purchased, or paid any compensation for soliciting purchases of, any of the Shares, or (iii) paid or agreed to pay to any person any compensation for soliciting another to purchase any other securities of the Company.

6.

Survival of Representations, Warranties and Agreements. Notwithstanding any investigation made by any party to this Agreement or by the Placement Agent, all covenants, agreements, representations and warranties made by the Company and the Investor herein will survive the execution of this Agreement, the delivery to the Investor of the Shares and Warrants being purchased and the payment therefor. The Placement Agent shall be a third party beneficiary with respect to the representations, warranties and agreements of the Investor in Section 4 hereof.

7.

Notices. All notices, requests, consents and other communications hereunder will be in writing, will be mailed (a) if within the domestic United States by first-class registered or certified airmail, or nationally recognized overnight express courier, postage prepaid, or by facsimile or (b) if delivered from outside the United States, by International Federal Express or facsimile, and will be deemed given (i) if delivered by first-class registered or certified mail domestic, three business days after so mailed, (ii) if delivered by nationally recognized overnight carrier, one business day after so mailed, (iii) if delivered by International Federal Express, two business days after so mailed and (iv) if delivered by facsimile, upon electronic confirmation of receipt and will be delivered and addressed as follows:

if to the Company, to:

U.S. Geothermal Inc.
1505 Tyrell Lane
Boise, Idaho 83706
Attention: Daniel J Kunz, Chief Executive Officer
Facsimile: (208) 424-1030

with copies to:

Dorsey & Whitney LLP
Columbia Center
701 Fifth Avenue, Suite 6100
Seattle, Washington 98104
Attention: Christopher J. Barry

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Kimberley R. Anderson
Facsimile: (206) 903-8820

if to the Investor, at its address on the Signature Page hereto, or at such other address or addresses as may have been furnished to the Company in writing.

8.

Changes. This Agreement may not be modified or amended except pursuant to an instrument in writing signed by the Company and the Investor.

9.

Headings. The headings of the various sections of this Agreement have been inserted for convenience of reference only and will not be deemed to be part of this Agreement.

10.

Severability. In case any provision contained in this Agreement should be invalid, illegal or unenforceable in any respect, the validity, legality and enforceability of the remaining provisions contained herein will not in any way be affected or impaired thereby.

11.

Governing Law. This Agreement will be governed by, and construed in accordance with, the internal laws of the State of New York, without giving effect to the principles of conflicts of law that would require the application of the laws of any other jurisdiction.

12.

Counterparts. This Agreement may be executed in two or more counterparts, each of which will constitute an original, but all of which, when taken together, will constitute but one instrument, and will become effective when one or more counterparts have been signed by each party hereto and delivered to the other parties. The Company and the Investor acknowledge and agree that the Company shall deliver its counterpart to the Investor along with the Prospectus Supplement (or the filing by the Company of an electronic version thereof with the Commission).

13.

Confirmation of Sale. The Investor acknowledges and agrees that such Investor’s receipt of the Company’s signed counterpart to this Agreement, together with the Prospectus Supplement (or the filing by the Company of an electronic version thereof with the Commission) shall constitute written confirmation of the Company’s sale of Units to such Investor.

14.

Press Release. The Company and the Investor agree that the Company shall (a) prior to the opening of the financial markets in New York City on February 22, 2011 or as soon thereafter as possible issue a press release announcing the Offering and disclosing all material information regarding the Offering and (b) as promptly as practicable thereafter, file a Current Report on Form 8-K with the Commission including, but not limited to, a form of this Agreement and a form of the Warrant Certificate.

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EXHIBIT A

U.S. GEOTHERMAL INC.

INVESTOR QUESTIONNAIRE

Pursuant to Section 3 of Annex I to the Agreement, please provide us with the following information:

EXHIBIT B

U.S. GEOTHERMAL INC.

FORM OF WARRANT
(attached)