UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

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FORM 6-K

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REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of April, 2017

Commission File Number 001-36487

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Atlantica Yield plc

(Exact name of Registrant as Specified in its Charter)

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Not Applicable

(Translation of Registrant’s name into English)

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Great West House, GW1, 17th floor

Great West Road

Brentford, TW8 9DF

United Kingdom

Tel.: +44 20 7098 4384

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

☒ Form 20-F           ☐ 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): ☐

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): ☐

This Report on Form 6-K is incorporated by reference into the Registration Statement on Form F-3 of the Registrant filed with the Securities and Exchange Commission on February 27, 2017 (File No. 333-216253).

On March 28, 2017, Atlantica Yield plc entered into a Registration Rights Agreement with Abengoa S.A., ACIL Luxco1 S.A. and GLAS Trust Corporation Limited as security agent, a copy of which is attached hereto as Exhibit 4.12.

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.

ATLANTICA YIELD PLC
/s/ Santiago Seage
Name:	Santiago Seage
Title:	Chief Executive Officer
Date: April 12, 2017