Exhibit 15.1

29 April, 2011

Matter No.:871778

Doc Ref: AL/yc/361256

China Sunergy Co., Ltd.

No. 123 Focheng West Road

Nanjing Jiangning Economic & Technical Development Zone

Nanjing

Jiangsu 211100

China

(852) 2842 9595

Andrew.Lee@conyersdill.com

Dear Sirs,

China Sunergy Co., Ltd. (the “Company”)

Annual Report on Form 20-F

We hereby consent to the filing of this letter as an exhibit to the Company’s annual report on Form 20-F for the year ended 31 December 2010 with the U.S. Securities and Exchange Commission.  In giving such consent, we do not thereby admit that we come within the category of persons whose consent is required under Section 7 of the Securities Act, or the Rules and Regulations of the U.S. Securities and Exchange Commission thereunder.

Yours faithfully,

/s/ Conyers Dill & Pearman

Conyers Dill & Pearman