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Photovoltaic Institute Berlin and PV Evolution Labs Attest Canadian Solar Modules Are Free of Potential Induced Degradation (PID)

July 23, 2012

ONTARIO, Canada, July 23, 2012 /PRNewswire-Asia-FirstCall/ — Canadian Solar Inc. (the “Company”, “we” or “Canadian Solar”) (NASDAQ: CSIQ), one of the world’s largest solar companies, was among the first providers to have passed two high voltage endurance tests. The Photovoltaic Institute (PI) Berlin tested the CS6-poly-series and the PV Evolution Labs assessed the CS5-mono-series and the CS6-poly-series. The tests measured the sensitivity of the module output parameters when exposed to high system voltages – formally known as Potential Induced Degradation (PID). With this the Canadian solar module manufacturer once again has demonstrated the high quality of their products.

In compliance with the standard set by the PI Berlin, TUV Rhineland and the VDE (Association for Electrical, Electronic & Information Technologies), Canadian Solar modules were exposed to a negative socket voltage of 1,000 volt. During the test the grounded module front is covered in either aluminum foil or a layer of water. The-before-and-after performance rate was measured with a flasher under standard test conditions (STC). The Canadian Solar module performance rate was found to be still higher than 98 percent following the endurance test. Canadian Solar requested PI Berlin to double the standard stress time for the ultimate quality assurance. All Canadian Solar modules demonstrated very little further degradation during the additional aging period and the final results were still qualified for the top rating, PID Class A, at PI Berlin.

“Such tests provide an important measure of orientation to our customers. The results demonstrate that they can count on the high quality of our products,” said Dr. Shawn Qu, Chairman and CEO of Canadian Solar. “We believe that we have some of the most advanced and highest quality products available in the market today. One of the reasons for this is that we have never shied away from investing into this area. This has now paid off.”

The Potential Induced Degradation phenomena in conventional crystalline cell technologies is recently gaining industry attention. While there is still no industry-wide acknowledged test standards available, Canadian Solar developed a test method together with the PV Evolution for this purpose, actively promoting the development of PID standards at the International Electrotechnical Commission (IEC). The PID test method applied by PI Berlin was developed by the TUV Rhineland, the PI Berlin, the VDE, and the Fraunhofer Institute for Solar Energy Systems ISE in conjunction with leading solar companies.

About Canadian Solar

Canadian Solar Inc. (NASDAQ: CSIQ) is one of the world’s largest solar companies. As a leading vertically integrated provider of ingot, wafer, solar cell, solar module and other solar applications, Canadian Solar designs, manufactures and delivers solar products and solar system solutions for on-grid and off-grid use to customers worldwide. With operations in North America, Europe, Australia and Asia, Canadian Solar provides premium quality, cost-effective and environmentally-friendly solar solutions to support global, sustainable development. For more information, please visit www.canadiansolar.com.

Safe Harbor/Forward-Looking Statements

Certain statements in this press release are forward-looking statements that involve a number of risks and uncertainties that could cause actual results to differ materially. These statements are made under the “Safe Harbor” provisions of the U.S. Private Securities Litigation Reform Act of 1995. In some cases, you can identify forward-looking statements by such terms as “believes,” “expects,” “anticipates,” “intends,” “estimates,” the negative of these terms, or other comparable terminology. Factors that could cause actual results to differ include the risks regarding the previously disclosed SEC investigation as well as general business and economic conditions and the state of the solar industry; governmental support for the deployment of solar power; future available supplies of high-purity silicon; demand for end-use products by consumers and inventory levels of such products in the supply chain; changes in demand from significant customers; changes in demand from major markets such as Germany; changes in customer order patterns; changes in product mix; capacity utilization; level of competition; pricing pressure and declines in average selling prices; delays in new product introduction; continued success in technological innovations and delivery of products with the features customers demand; shortage in supply of materials or capacity requirements; availability of financing; exchange rate fluctuations; litigation and other risks as described in the Company’s SEC filings, including its annual report on Form 20-F filed on April 27, 2012. Although the Company believes that the expectations reflected in the forward looking statements are reasonable, it cannot guarantee future results, level of activity, performance, or achievements. You should not place undue reliance on these forward-looking statements. All information provided in this press release is as of today’s date, unless otherwise stated, and Canadian Solar undertakes no duty to update such information, except as required under applicable law.

SOURCE Canadian Solar Inc.


Source: PR Newswire