EXHIBIT 23.1 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM The Board of Directors and Shareholders Yingli Green Energy Holding Company Limited We consent to the use of our report dated March 30, 2007, except as to paragraph (e) of Note 25, which is as of April 26, 2007 and as to paragraphs (f) and (g) of Note 25, which are as of June 3, 2007, with respect to the consolidated balance sheet of Yingli Green Energy Holding Company Limited and its subsidiary ("Yingli Green Energy") as of December 31, 2006, and the related consolidated statements of income, shareholder's equity and comprehensive income, and cash flows for the period from August 7, 2006 (date of inception) to December 31, 2006, and the consolidated balance sheets of Baoding Tianwei Yingli New Energy Resources Co., Ltd. and its subsidiary as of December 31, 2004 and 2005 and September 4, 2006, and the related consolidated statements of income, owners' equity, and cash flows for the years ended December 31, 2004 and 2005, and for the period from January 1, 2006 through September 4, 2006, included herein and to the reference to our firm under the heading "Experts" in the prospectus. Our report contains an explanatory paragraph that states that Yingli Green Energy obtained additional short-term bank borrowings and engaged in other financing transactions subsequent to December 31, 2006, which had an impact on its financial position. /s/ KPMG Hong Kong, China June 6, 2007