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 February, 2015

Commission File Number 001-36487

Abengoa Yield 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:

x  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):  ¨

The sustainable total return company

Abengoa Yield reports 2014 Financial Results

• Further Adjusted EBITDA increases by 94% y-o-y to $308.0 million.

• Solid Q4 2014 CAFD generation of $28.4 million and $56.5 for the year.

• Fourth quarter dividend of $0.2592 per share approved by the Board of Directors.

2014 Financial Results

February 23, 2015. Abengoa Yield plc (NASDAQ: ABY, “Abengoa Yield”), the sustainable total return company that owns a diversified portfolio of contracted assets in the energy and environment sectors, reported revenues of $362.7 million for the year ended December 31, 2014, representing a 72% increase y-o-y and Further Adjusted EBITDA of $308.0 million, representing a 94% increase compared to 2013. CAFD generated since our initial public offering reached $56.5 million.

“Results have been solid across all our segments and geographies, which have permitted us to deliver Cash Available for Distribution of $28.4 million in the quarter”, said Santiago Seage, CEO of Abengoa Yield. “During the fourth quarter of 2014 we have closed our first acquisition of assets from Abengoa and we have brought into operation Mojave, our 280 MW solar plant in California, and Cadonal, our 50 MW wind farm in Uruguay.”

Selected 2014 Financial Results

	Year ended December 31,
(in thousands of U.S. dollars)	2014			2013
Revenue		362,693			210,907
Further Adjusted EBITDA1		308,023			158,529
Net Income		(31,612	)		(3,417	)
CAFD		56,528			—

¹  Further Adjusted EBITDA includes dividends from our preferred equity investment in Brazil (see reconciliation on page 10).

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The sustainable total return company

Key Performance Indicators

	As of December 31,
	2014			2013
Renewable energy
MW in operation		891			380
GWh produced		902			280
Conventional power
MW in operation		300			300
GWh produced		2,474			1,849
Availability (%)		101.9	%		97.0	%
Electric transmission lines
Miles in operation		1,018			368
Availability (%)		99.1	%		99.6	%

Segment results

	Year ended December 31,
(in thousands of U.S. dollars)	2014		2013
Revenue by Geography
North America		195,508		113,998
South America		83,592		25,392
Europe		83,593		71,517
Total revenue		362,693		210,907
	Year ended December 31,
(in thousands of U.S. dollars)	2014		2013
Revenue by business sector
Renewable energy		170,673		82,714
Conventional power		118,765		102,801
Electric transmission lines		73,255		25,392
Total revenue		362,693		210,907

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The sustainable total return company

	Year ended December 31,
(in thousands of U.S. dollars)	2014		2013
Further Adjusted EBITDA by Geography
North America		175,398		96,712
South America		77,188		18,979
Europe		55,437		42,838
Total Further Adjusted EBITDA		308,023		158,529
	Year ended December 31,
(in thousands of U.S. dollars)	2014		2013
Further Adjusted EBITDA by business sector
Renewable energy		137,820		55,797
Conventional power		101,896		83,277
Electric transmission lines		68,307		19,455
Total Further Adjusted EBITDA		308,023		158,529

In the renewable energy segment, production has reached 902 GWh in the year 2014 compared to 280 GWh in 2013, mainly due to the projects that have entered into operation during the year. In conventional power, performance has been excellent during the whole year, with electric availability levels above contractual requirements in all the quarters. In electric transmission lines, ATS, Quadra 1 and Quadra 2 reached COD in January, April and March 2014, respectively, and all the assets are operating with high levels of availability since then.

Second Quarterly Dividend Announced

The Board of Directors has declared our second quarterly dividend on February 23, 2015, corresponding to the fourth quarter of 2014, amounting to $0.2592 per share, representing $1.04 per share on an annualized basis. The dividend is expected to be paid on or about March 16, to shareholders of record on February 28, 2015.

Liquidity and Debt

As of December 31, 2014, Abengoa Yield had corporate debt of $378.5 million and a liquidity position of $155.4 million at the holding company level on an unconsolidated basis.

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The sustainable total return company

As of December 31, 2014, net project debt amounted to $3,624.3 million ($2,537.1 million as of December 31, 2013).

Consolidated cash and cash equivalents amounted to $354.2 million ($357.7 million as of December 31, 2013).

Pro Forma for our second acquisition of assets under the ROFO Agreement announced in February, Net Corporate Debt / CAFD ratio would be 2.2x.

Guidance reaffirmed

Abengoa Yield reaffirms its guidance on Cash Available For Distribution² of $142 million, Dividend Per Share of $1.60 for 2015 and Dividend Per Share in the range of $1.92 to $2.00 for 2016. This guidance already includes the first and second acquisition of assets under the ROFO Agreement.

Acquisition plan update

In February 2015, Abengoa Yield has agreed to acquire from Abengoa a second set of assets, which is subject to approvals from financing institutions and, in certain cases, from partners in joint ventures. The acquisition of two desalination plants included in this second acquisition has already been completed.

In addition, Abengoa Yield is currently in negotiations with Abengoa for a third acquisition to be executed during 2015.

Details of the Results Presentation Conference

Abengoa Yield’s CEO Santiago Seage and Executive Vice President and CFO Eduard Soler will hold a conference call today, February 23, 2015, at 9:30 am EST.

In order to access the conference call, participants should dial: +1 855 228 3874 (US) / +44 (0) 203 426 2822 (UK). A live webcast of the conference call will be available on Abengoa Yield’s corporate website (www.abengoayield.com). Please visit the website at least 15 minutes early in order to register for the live webcast and download any necessary audio software.

About Abengoa Yield

Abengoa Yield is a total return company that owns a diversified portfolio of contracted renewable energy, power generation and electric transmission assets in North America, South America and Europe. We focus on providing a predictable and growing quarterly dividend or yield to our shareholders (www.abengoayield.com).

²  Guidance for Cash Available For Distribution reflects expected Cash Available for Distribution after interest on corporate debt at the holding company level incurred to finance the acquisitions.

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The sustainable total return company

Forward-Looking Statements

This news release contains forward-looking statements. These forward-looking statements include, but are not limited to, all statements other than statements of historical facts contained in this prospectus, including, without limitation, those regarding our future financial position and results of operations, our strategy, plans, objectives, goals and targets, future developments in the markets in which we operate or are seeking to operate or anticipated regulatory changes in the markets in which we operate or intend to operate. In some cases, you can identify forward-looking statements by terminology such as “aim,” “anticipate,” “believe,” “continue,” “could,” “estimate,” “expect,” “forecast,” “guidance,” “intend,” “is likely to,” “may,” “plan,” “potential,” “predict,” “projected,” “should” or “will” or the negative of such terms or other similar expressions or terminology. By their nature, forward-looking statements involve risks and uncertainties because they relate to events and depend on circumstances that may or may not occur in the future. Our actual results of operations, financial condition and the development of events may differ materially from (and be more negative than) those made in, or suggested by, the forward-looking statements.

Factors that could cause actual results to differ materially from those contemplated above include, among others, general economic conditions, changes in government expenditure budgets, challenges in making acquisitions, changes in public support of renewable energy, weather conditions, legal challenges to regulations, changes to subsidies and incentives that support renewable energy sources, government regulations, the volatility of energy and fuel prices, counterparty credit risk, failure of customers to perform under contracts, our ability to enter into new contracts as existing contracts expire, reliance on third-party contractors and suppliers, failure of newly constructed assets to perform as expected, failure to receive dividends from assets, changes in our tax position, unanticipated outages at our generation facilities, the condition of capital markets generally, our ability to access capital markets, adverse results in current and future litigation and our ability to maintain and grow our quarterly dividends. Furthermore, any dividends are subject to available capital, market conditions, and compliance with associated laws and regulations. These factors should be considered in connection with information regarding risks and uncertainties that may affect Abengoa Yield’s future results included in Abengoa Yield’s filings with the U.S. Securities and Exchange Commission at www.sec.gov.

Abengoa Yield undertakes no obligation to update or revise any forward-looking statements, whether as a result of new information, future events or developments or otherwise.

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The sustainable total return company

Consolidated Statements of Operations

(Amounts in thousands of U.S. dollars)

	For the year ended December 31,
	2014			2013			2012
Revenue		362,693			210,907			107,183
Other operating income		79,913			379,644			560,372
Raw materials and consumables used		(21,321	)		(8,671	)		(4,289	)
Employee benefit expenses		(1,664	)		(2,446	)		(1,789	)
Depreciation, amortization, and impairment charges		(125,480	)		(46,943	)		(20,234	)
Other operating expenses		(120,798	)		(420,905	)		(573,510	)
Operating profit/(loss)		173,343			111,586			67,733
Financial income		4,911			1,153			718
Financial expense		(210,252	)		(123,784	)		(64,104	)
Net exchange differences		2,054			(895	)		392
Other financial income/(expense), net		5,861			(1,693	)		(173	)
Financial expense, net		(197,426	)		(125,219	)		(63,167	)
Share of profit/(loss) of associates carried under the equity method		(769	)		13			(404	)
Profit/(loss) before income tax		(24,852	)		(13,620	)		4,162
Income tax		(4,413	)		11,762			(4,021	)
Profit/(loss) for the year		(29,265	)		(1,858	)		141
Loss/(profit) attributable to non-controlling interests		(2,347	)		(1,559	)		1,195
Profit/(loss) for the year attributable to the parent company		(31,612	)		(3,417	)		1,336
Less: Predecessor Loss prior to Initial Public Offering on June 12, 2014		(28,233	)		n/a			n/a
Net profit attributable to Abengoa Yield plc subsequent to Initial Public Offering		(3,379	)		n/a			n/a
Weighted average number of ordinary shares outstanding (thousands)		80,000			n/a			n/a
Basic earnings per share attributable to Abengoa Yield plc (*)		(0.04	)		n/a			n/a

(*) Earnings per share has been calculated for the period subsequent to the initial public offering, considering Net profit attributable to equity holders of Abengoa Yield plc. generated after the initial public offering by the number of shares outstanding.

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The sustainable total return company

Consolidated Statement of Financial Position

(Amounts in thousands of U.S. dollars)

	As of December 31,
	2014			2013
Assets
Non-current assets
Contracted concessional assets		6,725,178			4,418,120
Investments carried under the equity method		5,711			387,324
Financial investments		373,561			28,852
Deferred tax assets		124,210			52,784
Total non-current assets		7,228,660			4,887,080
Current assets
Inventories		22,068			5,244
Clients and other receivables		129,696			97,597
Financial investments		229,417			266,363
Cash and cash equivalents		354,154			357,664
Total current assets		735,335			726,868
Total assets		7,963,995			5,613,948
	As of December 31,
	2014			2013
Equity and liabilities
Equity attributable to the parent company
Share capital		8,000			—
Parent company reserves		1,790,135			—
Hedging reserves		(15,539	)		(36,600	)
Accumulated currency translation differences		(28,963	)		9,009
Retained earnings		(2,031	)		—
Other equity		—			1,245,510
Non-controlling interest		88,029			69,279
Total equity		1,839,631			1,287,198
Non-current liabilities
Long-term corporate debt		376,160			—
Long-term project debt		3,491,877			2,842,338
Grants and other liabilities		1,367,601			650,903
Related parties		77,961			492,534
Derivative liabilities		168,931			44,221
Deferred tax liabilities		60,818			21,839
Total non-current liabilities		5,543,348			4,051,835
Current liabilities
Short-term corporate debt		2,255			—
Short-term project debt		331,189			52,312
Trade payables and other current liabilities		231,132			204,013
Income and other tax payables		16,440			18,590
Total current liabilities		581,016			274,915
Total equity and liabilities		7,963,995			5,613,948

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The sustainable total return company

Consolidated Cash Flow Statements

(Amounts in thousands of U.S. dollars)

	For the year ended December 31,
	2014			2013			2012
I. Profit/(loss) for the period		(29,265	)		(1,858	)		141
Non-monetary adjustments
Depreciation, amortization and impairment charges		125,480			46,943			20,234
Finance (income)/expenses		206,294			95,117			57,440
Fair value gains on derivative financial instruments		2,386			8,272			1,007
Shares of (profit)/losses from associates		769			(13	)		404
Income tax		4,413			(11,762	)		4,021
Changes in consolidation and other non-monetary items		(48,793	)		(46,168	)		(60,269	)
II. Profit for the year from adjusted by non monetary items		261,284			90,531			22,978
Variations in working capital
Inventories		379			(5,244	)		—
Clients and other receivables		(5,981	)		10,622			23,775
Trade payables and other current liabilities		(117,199	)		(45,110	)		16,322
Financial investments and other current assets/liabilities		54,810			48,945			26,527
III. Variations in working capital		(67,991	)		9,213			66,624
Income tax paid		(428	)		(73	)		(255	)
Interest received		256			640			718
Interest paid		(149,513	)		(62,923	)		(42,083	)
A. Net cash provided by operating activities		43,608			37,388			47,982
Investments in entities under the equity method		(44,524	)		(240,639	)		(554,276	)
Investments in contracted concessional assets		(56,960	)		(401,678	)		(518,495	)
Other non-current assets/liabilities		(21,339	)		(52,250	)		(25,929	)
Acquisitions of subsidiaries		(222,345	)		—			—
B. Net cash used in investing activities		(345,168	)		(694,567	)		(1,098,700	)
Proceeds from Project & Corporate debt		1,350,689			1,139,671			339,550
Repayment of Project & Corporate debt		(1,665,433	)		(667,784	)		(61,620	)
Dividends paid to company’s shareholders		(23,696	)		—			—
Proceeds from related parties and other		(39,035	)		442,986			829,322
Proceeds IPO		681,916			—			—
C. Net cash provided by financing activities		304,441			914,873			1,107,252
Net increase/(decrease) in cash and cash equivalents		2,881			257,694			56,534
Cash, cash equivalents and bank overdrafts at the beginning of the year		357,664			97,499			40,171
Translation differences cash or cash equivalent		(6,391	)		2,471			794
Cash and cash equivalents at end of the year		354,154			357,664			97,499

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The sustainable total return company

Reconciliation of Further Adjusted EBITDA to Net Income

	For the year ended December 31,
(in thousands of U.S. dollars)	2014			2013			2012
Profit/(loss) for the period attributable to the parent company		(31,612	)		(3,417	)		1,336
Profit attributable to non-controlling interest		2,347			1,559			(1,195	)
Income tax		4,413			(11,762	)		4,021
Share in loss/ (profit) of associates		769			(13	)		404
Financial expense, net		197,426			125,219			63,167
Operating profit		173,343			111,586			67,733
Depreciation, amortization, and impairment charges		125,480			46,943			20,234
Dividend from exchangeable preferred equity investment in ACBH		9,200			—			—
Further Adjusted EBITDA		308,023			158,529			87,967

Reconciliation of Further Adjusted EBITDA to net cash used in operating activities

	For the year ended December 31,
(in thousands of U.S. dollars)	2014			2013			2012
Further Adjusted EBITDA		308,023			158,529			87,967
Interest and income tax (paid)/received		(149,685	)		(62,356	)		(41,620	)
Variations in working capital		(67,991	)		9,213			66,624
Other non-cash adjustments and other		(46,739	)		(67,998	)		(64,989	)
Net cash provided by operating activities		43,608			37,388			47,982

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The sustainable total return company

Cash Available For Distribution Reconciliation

(in thousands of U.S. dollars)	For the period since June 30, 2014
Further Adjusted EBITDA		170,851
Non-cash revenue US cash grants		(18,379	)
Interests and income tax paid		(82,964	)
Principal amortization of indebtedness net of new indebtedness at project level(1)		(21,614	)
Deposits into/ withdrawals from debt service accounts		(11,456	)
Change in available cash at project level to be distributed in subsequent periods		12,391
Other		7,700
Cash Available For Distribution		56,528

(1) Excludes repayment of Cofides’ stake in ATS, repaid with cash at Abengoa Yield plc holding level company.

EVP and Chief Financial Officer Eduard Soler E-mail: ir@abengoayield.com   Communication Department Patricia Malo de Molina Meléndez Tel: +34 954 93 71 11 E-mail: communication@abengoa.com Investor relations Leire Pérez Tel: +34 954 93 71 11 E-mail: ir@abengoayield.com

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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.

ABENGOA YIELD PLC
/s/ Santiago Seage
Name:	Santiago Seage
Title:	Chief Executive Officer

Date: February 23, 2015