SECURITIES AND EXCHANGE COMMISSION

Washington D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

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

THE SECURITIES EXCHANGE ACT OF 1934

For the month of ~~October~~ December 2018

Commission File Number: 001-33469

YINGLI GREEN ENERGY HOLDING COMPANY LIMITED

No. 3399 North Chaoyang Avenue

Baoding 071051

People’s Republic of China

(Address of principal executive offices)

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

Form 20-F x Form 40-F o

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): o

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): o

Indicate by check mark whether by furnishing the information contained in this Form, the registrant is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes o No x

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): N/A

YINGLI GREEN ENERGY HOLDING COMPANY LIMITED

FORM 6-K

EX-99.1 Yingli Green Energy Announces ~~Update~~Amendment into ~~Relation~~Supply toAgreements ~~Medium-Term~~with ~~Notes~~Wacker Chemie AG

SIGNATURE

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.

YINGLI GREEN ENERGY HOLDING COMPANY LIMITED

By:	/s/ Yiyu Wang
	Name:	Yiyu Wang
	Title:	Chief Financial Officer

Date: ~~October~~December 2418, 2018

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