KITCHENER, ON, March 17, 2026 /PRNewswire/ -- Canadian Solar Inc. ( CSIQ ) today announced that e-STORAGE, its energy storage solutions business, has entered into supply agreement with a major U.S. utility for a 500MW/2,493 MWh DC battery energy storage system (BESS) project, supporting data center grid infrastructure and resiliency.

Under the agreement, e-STORAGE will supply approximately 500 SolBank 3.0 containers. The battery cells used in the system will be manufactured by Canadian Solar ( CSIQ ) through its global manufacturing network. Shipments are expected to start in March 2027 and be completed by July 2027.

The project highlights Canadian Solar's ( CSIQ ) contribution to addressing the sharp increase in electricity demand driven by AI and hyperscale data center development. By strengthening regional grid capacity, it supports reliable power for these emerging loads. With vertical integration and utility‑scale experience, e‑STORAGE delivers on‑schedule and provides reliable long‑term operation to meet this growing demand.

Colin Parkin, President of Canadian Solar ( CSIQ ) and President of e-STORAGE, said: "We are honored to support the grid as rapid data center growth drives new power needs. With our SolBank platform and proven delivery capabilities, we are well-positioned to provide dependable, on-time solutions that help utilities and developers keep pace with this new phase of power system growth."

About Canadian Solar Inc. ( CSIQ )

Canadian Solar is one of the world's largest solar technology and renewable energy companies. Founded in 2001 and headquartered in Kitchener, Ontario, the Company is a leading manufacturer of solar photovoltaic modules; provider of solar energy and battery energy storage solutions; and developer, owner, and operator of utility-scale solar power and battery energy storage projects. Over the past 24 years, Canadian Solar has successfully delivered nearly 170 GW of premium-quality, solar photovoltaic modules to customers across the world. Through its subsidiary e-STORAGE, Canadian Solar has shipped over 16 GWh of battery energy storage solutions to global markets as of September 30, 2025, boasting a $3.1 billion contracted backlog as of October 31, 2025. Since entering the project development business in 2010, Canadian Solar has developed, built, and connected approximately 12 GWp of solar power projects and 6 GWh of battery energy storage projects globally. Its geographically diversified project development pipeline includes 25 GWp of solar and 81 GWh of battery energy storage capacity in various stages of development. Canadian Solar is one of the most bankable companies in the solar and renewable energy industry, having been publicly listed on the NASDAQ since 2006. For additional information about the Company, follow Canadian Solar on LinkedIn or visit www.canadiansolar.com.

About e-STORAGE

e-STORAGE is a subsidiary of Canadian Solar and a leading company specializing in designing, manufacturing, and integrating battery energy storage systems for utility-scale applications. e-STORAGE offers proprietary battery energy storage solutions, comprehensive EPC services, and innovative solutions aimed at improving grid operations. Currently, e-STORAGE operates fully automated, state-of-the-art manufacturing facilities with an annual battery energy storage system capacity of 15 GWh and battery cell capacity of 3 GWh, on a single-shift and double-shift annualized basis, respectively. For more info, please refer to the Media&PR section of www.csestorage.com and follow our LinkedIn page.

Safe Harbor/Forward-Looking Statements

Certain statements in this press release, including those regarding the Company's expected future shipment volumes, revenues, gross margins, and project sales 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 "may", "will", "expect", "anticipate", "future", "ongoing", "continue", "intend", "plan", "potential", "prospect", "guidance", "believe", "estimate", "is/are likely to" or similar expressions, the negative of these terms, or other comparable terminology. These forward-looking statements include, among other things, our expectations regarding global electricity demand and the adoption of solar and battery energy storage technologies; our growth strategies, future business performance, and financial condition; our transition to a long-term owner and operator of clean energy assets and expansion of project pipelines; our ability to monetize project portfolios, manage supply chain fluctuations, and respond to economic factors such as inflation and interest rates; our outlook on government incentives, trade measures, regulatory developments, and geopolitical risks; our expectations for project timelines, costs, and returns; competitive dynamics in solar and storage markets; our ability to execute supply chain, manufacturing, and operational initiatives; access to capital, debt obligations, and covenant compliance; relationships with key suppliers and customers; technological advancement and product quality; and risks related to intellectual property, litigation, and compliance with environmental and sustainability regulations. Other risks were described in the Company's filings with the Securities and Exchange Commission, including its annual report on Form 20-F filed on April 30, 2025. 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.

Canadian Solar Inc. ( CSIQ ) Investor Relations Contact

Wina Huang

Investor Relations

Canadian Solar Inc. ( CSIQ )

[email protected]

e-STORAGE MEDIA CONTACT

[email protected] 

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SOURCE Canadian Solar Inc. ( CSIQ )