Canadian Solar's e-STORAGE to Deliver 1.8 GWh DC of Energy Storage Systems for Aypa Power in Key U.S. Markets

Canadian Solar Inc. (the "Company" or "Canadian Solar") (NASDAQ: CSIQ) announced that e-STORAGE, which is part of the Company's majority-owned subsidiary CSI Solar Co., Ltd. (CSI Solar), has secured Battery Supply Agreements and Long-Term Service Agreements (LTSA) for two major battery energy storage projects in the United States, developed by Aypa Power.

The agreements cover the supply and commissioning of a 160 MW AC/806 MWh DC Battery Energy Storage System (BESS) in California and a 200 MW AC/998 MWh DC BESS in Texas. The projects will deploy approximately 370  SolBank 3.0 units, with construction expected to commence in Q3 2025. Following commissioning, e-STORAGE will oversee system maintenance and operations under a 20-year LTSA, ensuring long-term performance and reliability.

These projects will strengthen grid resilience and support renewable energy integration in key U.S. markets. e-STORAGE, a Tier 1 global provider of energy storage solutions, will integrate its proprietary SolBank 3.0 battery energy storage solution, featuring lithium-iron-phosphate battery technology, an active balancing battery management system, and advanced liquid cooling to ensure safety and performance.

Colin Parkin, President of e-STORAGE, commented, "We are proud to support Aypa Power in delivering utility-scale energy storage projects that will play a pivotal role in enhancing grid flexibility and reliability. Our SolBank technology is designed to provide safe, high-performance energy storage solutions that meet the growing demands of the market. These projects highlight the increasing role of battery storage in stabilizing renewable energy supply, and we remain committed to driving innovation and delivering high-quality solutions that support a cleaner, more sustainable energy future."

Canadian Solar | www.canadiansolar.com

e-STORAGE | www.csestorage.com

Aypa Power | www.aypa.com