UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
 
SCHEDULE 14A
 
Proxy Statement Pursuant to Section 14(a) of
the Securities Exchange Act of 1934 (Amendment No.     )
 
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Filed by a Party other than the Registrant  o	
 	
Check the appropriate box:	
o	Preliminary Proxy Statement	
o	Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))	
o	Definitive Proxy Statement	
x	Definitive Additional Materials	
o	Soliciting Material under §240.14a-12	
 	
NRG Yield, Inc.	
(Name of Registrant as Specified In Its Charter)	

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)	
 	
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*** Exercise Your Right to Vote *** Important Notice Regarding the Availability of Proxy Materials for the Shareholder Meeting to Be Held on April 25, 2017 NRG YIELD, INC. You are receiving this communication because you hold shares in the above named company. This is not a ballot. You cannot use this notice to vote these shares. This communication presents only an overview of the more complete proxy materials that are available to you on the Internet. You may view the proxy materials online at www.proxyvote.com or easily request a paper copy (see reverse side). We encourage you to access and review all of the important information contained in the proxy materials before voting. 0000317957_1 R1.0.1.15 See the reverse side of this notice to obtain proxy materials and voting instructions. Meeting Information Meeting Type: Annual Meeting For holders as of: March 03, 2017 Date: April 25, 2017Time: 9:00 AM EDT Location: Hyatt Regency Princeton 102 Carnegie Center Princeton, NJ 08540

Before You Vote How to Access the Proxy Materials Proxy Materials Available to VIEW or RECEIVE: Have the information that is printed in the box marked by the arrow (located on the by the arrow (located on the following page) in the subject line. How To Vote Please Choose One of the Following Voting Methods marked by the arrow available and follow the instructions. 0000317957_2 R1.0.1.15 Vote In Person: If you choose to vote these shares in person at the meeting, you must request a "legal proxy." To do so, please follow the instructions at www.proxyvote.com or request a paper copy of the materials, which will contain the appropriate instructions. Many shareholder meetings have attendance requirements including, but not limited to, the possession of an attendance ticket issued by the entity holding the meeting. Please check the meeting materials for any special requirements for meeting attendance. Vote By Internet: To vote now by Internet, go to www.proxyvote.com. Have the information that is printed in the box Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a voting instruction form. 1. Notice & Proxy Statement2. Annual Report How to View Online: following page) and visit: www.proxyvote.com. How to Request and Receive a PAPER or E-MAIL Copy: If you want to receive a paper or e-mail copy of these documents, you must request one. There is NO charge for requesting a copy. Please choose one of the following methods to make your request: 1) BY INTERNET:www.proxyvote.com 2) BY TELEPHONE:1-800-579-1639 3) BY E-MAIL*:sendmaterial@proxyvote.com * If requesting materials by e-mail, please send a blank e-mail with the information that is printed in the box marked Requests, instructions and other inquiries sent to this e-mail address will NOT be forwarded to your investment advisor. Please make the request as instructed above on or before April 11, 2017 to facilitate timely delivery.

The Board of Directors recommends that you vote FOR the following: 1. Election of Directors: Nominees 01) Mauricio Gutierrez 06) Ferrell P. McClean 02) John F. Chlebowski 07) Christopher S. Sotos 03) Kirkland B. Andrews04) John Chillemi 05) Brian R. Ford The Board of Directors recommends you vote FOR the following proposal(s): 2. To approve NRG Yield's Annual Incentive Plan for Designated Corporate Officers. 3. To approve, on a non-binding advisory basis, NRG Yield's executive compensation. The Board of Directors recommends you vote 1 YEAR on the following proposal: 4. To approve, on a non-binding advisory basis, the frequency of the vote to approve NRG Yield's executive compensation. The Board of Directors recommends you vote FOR the following proposal(s): 5. To ratify the appointment of KPMG LLP as the Company's independent registered public accounting firm for the 2017 fiscal year. NOTE: Such other business as may properly come before the meeting or any adjournment thereof. 0000317957_3 R1.0.1.15 Voting items

0000317957_4 R1.0.1.15 Voting Instructions