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 May, 2020

Commission File Number 001-36487

Atlantica Sustainable Infrastructure plc

(Exact name of Registrant as Specified in its Charter)

Not Applicable

(Translation of Registrant’s name into English)

Great West House, GW1, 17th floor

Great West Road

Brentford, TW8 9DF

United Kingdom

Tel.: +44 20 7098 4384

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 August 6, 2018 (File 333-226611).

Attached as Exhibit 99.1 to this Report on Form 6-K is the final report of the Inspector of Election at the Annual General Meeting of Shareholders of Atlantica Sustainable Infrastructure plc (the “Company”) held on May 5, 2020, reporting that at the Annual General Meeting the shareholders approved resolutions 1 to 3, 8, 10 and 11 and did not approve resolutions 4 to 7 and 9.

One of the resolutions at the Annual General Meeting approves the change of the Company’s registered name to Atlantica Sustainable Infrastructure plc. The change of name has been registered by the Company with the Registrar of Companies in the United Kingdom and became effective on May 7, 2020.

This Report on Form 6-K is being filed to include the following exhibit:

Exhibit Number		Exhibit

99.1		Final Report of Inspector of Elections

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 Sustainable Infrastructure plc

	/s/ Santiago Seage
	Name: Santiago Seage
	Title: Chief Executive Officer

Date: May 13, 2020

Exhibit 99.1

ATLANTICA YIELD PLC

Annual General Meeting of Shareholders

May 5, 2020

Final Report of the Inspector of Election

I, the undersigned, the duly appointed Inspector of Election at the Annual General Meeting of Shareholders (the “Meeting”) of Atlantica Yield plc (the “Company”), on May 5, 2020 hereby

certify that:

Before entering upon the discharge of my duties as Inspector of Election at the Meeting, I took and signed an Oath of Inspector of Election.

The Meeting took place at c/ Francisco Silvela 42, 4 floor 28028 Madrid, Spain with a satellite meeting place at Great West House, GW1, 17th Floor, Great West Road, Brentford TW8 9DF, United Kingdom.

As of May 1, 2020, the record date for the determination of shareholders entitled to vote at the Meeting, there were 101,601,662 shares of the Company’s Common Stock, each share being entitled to one vote, constituting all of the outstanding voting securities of the Company.

At the Meeting, the holders of 73,911,038 shares of the Company’s Common Stock were voted, with at least two members represented in person, constituting a quorum.

The undersigned canvassed the votes of the shareholders cast by ballot or proxy on the matters presented at the Meeting.

At the Meeting, the vote on a resolution to receive the accounts and reports of the directors and auditors for the year ended 31 December 2019, was as follows:

FOR	AGAINST	VOTE WITHHELD	BROKER NON-VOTE

73,631,781	55,959	223,298	0

At the Meeting, the vote to approve the directors' remuneration report, excluding the directors' remuneration policy, for the year ended 31 December 2019, was as follows:

FOR	AGAINST	VOTE WITHHELD	BROKER NON-VOTE

70,538,902	3,282,483	89,653	0

At the Meeting, the vote to approve the directors' remuneration policy was as follows:

FOR	AGAINST	VOTE WITHHELD	BROKER NON-VOTE

65,176,545	8,614,159	120,334	0

At the Meeting, the vote to re-elect Jackson Robinson as director was as follows:

FOR	AGAINST	VOTE WITHHELD	BROKER NON-VOTE

28,469,920	45,348,283	92,835	0

10)

At the Meeting, the vote to re-elect Andrea Brentan as director was as follows:

FOR	AGAINST	VOTE WITHHELD	BROKER NON-VOTE

28,604,964	45,215,453	90,621	0

11)

At the Meeting, the vote to re-elect Robert Dove as director was as follows:

FOR	AGAINST	VOTE WITHHELD	BROKER NON-VOTE

21,953,082	51,856,207	101,749	0

12)

At the Meeting, the vote to re-elect Francisco J. Martinez as director was as follows:

FOR	AGAINST	VOTE WITHHELD	BROKER NON-VOTE

30,353,510	43,463,303	94,225	0

13)

At the Meeting, the vote regarding the allotment of Share Capital was as follows:

FOR	AGAINST	VOTE WITHHELD	BROKER NON-VOTE

73,713,446	77,932	119,660	0

14)

At the Meeting, the vote regarding the disapplication of Pre-emption rights was as follows:

FOR	AGAINST	VOTE WITHHELD	BROKER NON-VOTE

55,067,017	18,706,074	137,947	0

15)

At the Meeting, the vote to change the Company name was as follows:

FOR	AGAINST	VOTE WITHHELD	BROKER NON-VOTE

73,323,389	70,391	517,258	0

16)

At the Meeting, the vote regarding the appropriation of Distributable Profits and Deeds of Release was as follows:

FOR	AGAINST	VOTE WITHHELD	BROKER NON-VOTE

72,516,638	399,442	754,696	0

IN WITNESS WHEREOF, I have made this Final Report and have been hereunto set my hand this 5^th day of May 2020.

Inspector of Election

/s/ Anthony Carideo

Anthony P. Carideo