SHANGHAI, June 6, 2011 /PRNewswire/ -- Hanwha SolarOne Co., Ltd. ("Hanwha SolarOne" or the "Company") (NASDAQ: HSOL), a vertically integrated manufacturer of silicon ingots, wafers and photovoltaic ("PV") cells and modules in China, today announced that it filed its annual report on Form 20-F for the fiscal year ended December 31, 2010 with the Securities and Exchange Commission on June 3, 2011. The annual report on Form 20-F can be accessed on the Company's investor relations website at http://investors.hanwha-solarone.com/sec.cfm.

Hanwha SolarOne will provide a hard copy of the annual report containing its audited consolidated financial statements, free of charge, to its shareholders and ADS holders upon request.

About Hanwha SolarOne

Hanwha SolarOne Co., Ltd. (NASDAQ: HSOL) is a vertically integrated manufacturer of silicon ingots, wafers, PV cells and modules.  Hanwha SolarOne offers high-quality, reliable products and services at competitive prices.  Partnering with third party distributors, OEM manufacturers, and system integrators, Hanwha SolarOne serves the utility, commercial/government, and residential markets.  The Company maintains a strong worldwide presence with employees located throughout Europe, North America, and Asia and embraces environmental responsibility and sustainability with an active role in the voluntary photovoltaic recycling program.  The Company benefits from its strategic partnership with its largest shareholder Hanwha Group who is active in solar project development and financing and plans to produce polysilicon in the future.  For more information visit: www.hanwha-solarone.com.

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For further information, please contact:

Investor Contact:
Paul Combs
V.P. of Investor Relations
Building 1, 18th Floor
1199 Minsheng Road, Shanghai, PRC 200135
P. R. China
Tel:  86-21-3852 1533 / Mobile:  86 138 1612 2768
E-mail: paul.combs@hanwha-solarone.com

Christensen

Kathy Li
Tel:  +1 480 614 3036
E-mail:  kli@ChristensenIR.com

Tip Fleming
Tel:  + 852 9212 0684
E-mail:  tfleming@ChristensenIR.com

SOURCE Hanwha SolarOne Co., Ltd.