UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): August 26, 2015

NanoFlex Power Corporation

(Exact name of registrant as specified in its charter)

17207 N. Perimeter Dr., Suite 210

Scottsdale, AZ 85255

(Address of Principal Executive Offices)

(former name or former address, if changed since last report)

Registrant’s telephone number, including area code: 480-585-4200

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 8.01 Other Events.

On August 26, 2015, NanoFlex Power Corporation (“we” or “our”) signed a Joint Development Agreement (“JDA”) with SolAero Technologies Corp. (“SolAero”). The JDA provides for the joint development of Gallium Arsenide (“GaAs”) solar cells utilizing our proprietary manufacturing processes in conjunction with SolAero’s advanced high efficiency solar cell technologies.

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 hereunto duly authorized.

3