6-K

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 6-K

Report of Foreign Private Issuer

Pursuant to Rule 13a-16 or 15d-16
under the Securities Exchange Act of 1934

For the month of December, 2015

Commission File Number:  000-24027

NXT Energy Solutions Inc.

(Translation of registrant's name into English)

Suite 302, 3320-17th Avenue S.W.

Calgary, Alberta  T3E 0B4

Canada
(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F  X     Form 40-F _____

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):  

Yes _____ No     X       

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):  

Yes _____ No    X     

Indicate by check mark whether by furnishing the information contained in this Form, the registrant is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes _____ No    X     

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b):

The Issuer is filing material documents not previously filed.

Exhibit List:

99.1    News Release dated December 16, 2015

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date:  December 16, 2015

NXT Energy Solutions Inc.

By:  /s/ Greg Leavens

Name: Greg Leavens

          Title: Vice-President Finance and Chief Financial Officer

EX-99.1

NXT ENERGY SOLUTIONS ADVISES
OF GRANT OF STOCK OPTIONS

CALGARY, ALBERTA, December 16, 2015 - NXT Energy Solutions Inc. (“NXT Energy” or the “Company”) (TSX-V:SFD; OTCQB:NSFDF), advises that it has granted a total of 42,600 incentive stock options (“Options”) to certain members of its Board of Directors.

These Options are part of the total cash and Options compensation payable to the Company’s Board of Directors for the year ended December 31, 2015 and are granted in accordance with the terms of NXT’s Stock Option Plan. The Options shall have an exercise price of $1.73 per share, a five year term to expiry in December, 2020, and entitlement to exercise the Options vests immediately at the date of grant.

About NXT Energy Solutions

NXT Energy is a Calgary based company whose proprietary Stress Field Detection ("SFD^®") survey system utilizes quantum-scale sensors to detect gravity field perturbations in an airborne survey method which can be used both onshore and offshore to remotely identify areas with exploration potential for traps and reservoirs. The SFD^® survey system enables our clients to focus their hydrocarbon exploration decisions concerning land commitments, data acquisition expenditures and prospect prioritization on areas with the greatest potential. SFD^® is environmentally friendly and unaffected by ground security issues or difficult terrain, and is the registered trademark of NXT Energy Solutions Inc. NXT Energy provides its clients with an effective and reliable method to reduce time, costs, and risks related to exploration.

Forward-Looking Statements

This news release may include forward-looking statements. When used in this document, words such as “intends”, “plans”, “anticipates”, “expects” and “scheduled”, are forward-looking statements. Forward-looking statements are subject to a wide range of risks and uncertainties, and although the Company believes that the expectations represented by such forward-looking statements are reasonable, there can be no assurance that such expectations will be realized. Any number of factors can cause actual results to differ materially from those in the forward-looking statements. Risk factors facing NXT Energy are described in its most recent MD&A for the fiscal year ended December 31, 2014 which has been filed electronically by means of the System for Electronic Document Analysis and Retrieval ("SEDAR") located at www.sedar.com.

For further information, please contact:

Greg Leavens	Bill Mitoulas	Kin Communications
V-P Finance & CFO	Investor Relations Manager	Investor Relations
NXT Energy Solutions Inc.	416-479-9547	604-684-6730 / 1-866-684-6730
403-206-0805	bmitoulas@nxtenergy.com	sfd@kincommunications.com
info@nxtenergy.com
www.nxtenergy.com

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) nor the OTC QB Markets accept responsibility for the adequacy or accuracy of this release.