附件99.1

加拿大 太阳能公司在市场上完成普通股发行

安大略省圭尔夫，2021年11月29日-阿特斯太阳能(以下称“公司”，或“阿特斯太阳能”)(纳斯达克股票代码：CSIQ)， 今天宣布，已完成此前宣布的“在市场”发售普通股计划(“自动柜员机发售”) 。本次发售完成后，本公司出售了3639,918股普通股，在扣除佣金和发售费用之前，共筹集了1.5亿美元的毛收入 。

阿特斯太阳能打算将此次自动取款机发行的净收益 用于增强公司执行其长期战略增长计划的能力，包括投资于电池存储业务和扩大其存储管道，并用于一般企业用途。该公司还可能将净收益的一部分 用于投资或收购其认为对其业务具有补充作用的业务、资产或技术，包括用于 加强其已开发的稳定、可产生现金收益的太阳能发电项目组合的投资，并可能通过欧洲和巴西等市场的公共交通工具 实现货币化。

普通股 是根据本公司已生效的F-3表格中的自动货架登记声明提供的。招股说明书附录和描述此次发行条款的相关基本招股说明书此前已提交给美国证券交易委员会(Securities And Exchange Commission)。 与自动柜员机发售相关的招股说明书副本和随附的招股说明书可通过访问美国证券交易委员会网站www.sec.gov或联系美国老虎证券公司(地址：437Madison，27th Floor，New York，NY 10022)或发送电子邮件至ib@ustigersecurities.com免费获得。

本新闻稿仅供参考 ，不是出售或邀请购买任何证券的要约。

关于阿特斯太阳能 Inc.

阿特斯太阳能于2001年在加拿大成立，是世界上最大的太阳能技术和可再生能源公司之一。它是领先的太阳能光伏组件制造商 ，太阳能和电池存储解决方案提供商，以及公用事业规模太阳能和电池存储项目的开发商 ，在不同开发阶段拥有地理多样化的管道。在过去的20年里，阿特斯太阳能已经成功地向世界各地的客户交付了超过63千兆瓦的优质太阳能光伏组件。同样，自2010年进入项目开发业务以来，阿特斯太阳能已经在全球20多个国家开发、建设和连接了超过6.2GWP。目前， 公司约有430兆瓦的太阳能项目在运行，近7GWP的在建或积压(后期)项目，以及 另外17GWP的在建项目(中前期)。阿特斯太阳能是太阳能和可再生能源行业最具盈利能力的公司之一，自2006年以来一直在纳斯达克公开上市。有关 公司的更多信息，请关注领英上的阿特斯太阳能或访问www.canadiansolar.com。

安全港/前瞻性{BR}声明

Certain statements in this press release, including but not limited to the use of proceeds, 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 general business and economic conditions and the state of the solar industry; volatility, uncertainty, delays and disruptions related to the COVID-19 pandemic; 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 Japan, the U.S., India, China and Brazil; 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; delays in utility-scale project approval process; delays in utility-scale project construction; delays in the completion of project sales; delays in the process of qualifying to list the CSI Solar subsidiary in the PRC; 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; logistical challenges that could increase the selling costs of the Company; exchange rate fluctuations; litigation; potential initiation of an anti-circumvention investigation and other risks as described in the Company's SEC filings, including its annual report on Form 20-F filed on April 19, 2021. 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. Investors 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.