Yingli Green Energy's PV Module Ranks No.2 in TUV Rheinland Energy Yield Test

BAODING, China, July 21, 2011 /PRNewswire-Asia-FirstCall/ -- Yingli Green Energy Holding Company Limited (NYSE: YGE) ("Yingli Green Energy" or the "Company"), a leading solar energy company and one of the world's largest vertically integrated photovoltaic ("PV") manufacturers, which markets its products under the brand "Yingli Solar", today announced that the Company's multicrystalline PV module has excelled in the "2010 Energy Yield Test" by TUV Rheinland, ranking the second best amongst thirteen PV modules from eleven participating PV manufacturers from Europe, North America and Asia.

Lasting from May 1, 2010 to April 30, 2011, the year-long test measured actual energy yield of PV modules manufactured by all participants under real solar conditions as contrast to sunlight simulators. By calculating the average energy yield of all PV modules, Yingli Green Energy's multicrystalline PV module generated an energy yield of 1.4% higher than the average level, which is 3.1% higher than the bottom performer, and merely 0.3% less than the top performer. To put this into context, for a 30 kWp commercial project built in Germany, Yingli Green Energy's multicrystalline PV modules would generate approximately 1,000 kWh more electricity per year than modules of the bottom performer.

"High-precision test equipment for continuous maximum-power-point tracking and additional I-V-curve measurement was set up at our test site in Cologne. For the period of one year, the energy outputs of thirteen different PV modules from eleven participating companies were measured. The data was then normalized to 1 Wp of the TUV Rheinland measured STC power and compared with one another," said Mr. Christian Bauerdick, project manager of the "2010 Energy Yield Test" at TUV Rheinland. "The results can give an idea about the performance under real conditions for moderate climates like in Cologne, Germany."

"We participated in this test for the first time and won a respectable place amongst peers," Dr. Dengyuan Song, Chief Technology Officer of Yingli Green Energy, commented. "We are very pleased with our test results, which we believe reflects the superior quality of our products."

Mr. Liansheng Miao, Chairman and Chief Executive Officer of Yingli Green Energy also commented, "The results demonstrated our continued focus on technology improvements and process efficiencies to yield superior operating performance and stability, which in turn brings higher investment returns to our end customers."

Note: The relative measurement of "2010 Energy Yield Test" by TUV Rheinland leads to a measurement uncertainty of +1% and -1.5%, which has to be considered when comparing the results of the participating products.

About Yingli Green Energy

Yingli Green Energy Holding Company Limited (NYSE: YGE), which markets its products under the brand "Yingli Solar," is a leading solar energy company and one of the world's largest vertically integrated photovoltaic manufacturers. Yingli Green Energy's manufacturing covers the entire photovoltaic value chain, from the production of polysilicon through ingot casting and wafering, to solar cell production and module assembly. Currently, Yingli Green Energy maintains a balanced vertically integrated production capacity of over 1 GW per year. Two capacity expansion projects of 600 MW and 100 MW are under construction in Baoding and Hainan, respectively, which are expected to start initial production in the middle of 2011 and will increase the Company's total nameplate capacity to 1.7 GW in late 2011. In addition, Yingli Green Energy's in-house polysilicon plant, Fine Silicon, which has a designed annual production capacity of 3,000 metric tons, has successfully started commercial operation in early August 2010. Yingli Green Energy distributes its photovoltaic modules to a wide range of markets, including Germany, Spain, Italy, Greece, France, South Korea, China and the United States. Headquartered in Baoding, China, Yingli Green Energy has more than 11,000 employees and more than 10 subsidiaries and branch offices worldwide. Yingli Green Energy is publicly listed on the New York Stock Exchange (NYSE: YGE). For more information, please visit http://www.yinglisolar.com .

SafeHarbor Statement

This press release contains forward-looking statements. These statements constitute "forward-looking" statements within the meaning of Section 21E of the Securities Exchange Act of 1934, as amended, and as defined in the U.S. Private Securities Litigation Reform Act of 1995. These forward-looking statements can be identified by terminology such as "will," "expects," "anticipates," "future," "intends," "plans," "believes," "estimates," "target" and similar statements. Such statements are based upon management's current expectations and current market and operating conditions, and relate to events that involve known or unknown risks, uncertainties and other factors, all of which are difficult to predict and many of which are beyond Yingli Green Energy's control, which may cause Yingli Green Energy's actual results, performance or achievements to differ materially from those in the forward- looking statements. Further information regarding these and other risks, uncertainties or factors is included in Yingli Green Energy's filings with the U.S. Securities and Exchange Commission. Yingli Green Energy does not undertake any obligation to update any forward-looking statement as a result of new information, future events or otherwise, except as required under applicable law.

For further information, please contact:
In China:
Qing Miao
Director, Investor Relations
Yingli Green Energy Holding Company Limited
Tel: [phone]
Email: [e-mail]
In the Americas:
Helena Kimball
Head of Marketing Communications
Yingli Green Energy Americas
Phone: [phone]
Email: [e-mail]
In Europe:
Rebecca Jarschel
Brand Manager
Yingli Green Energy Europe GmbH
Telephone: [phone]
Email: [e-mail]

SOURCE Yingli Green Energy Holding Company Limited