Canadian Solar's e-STORAGE to Deliver 576 MWh DC of Energy Storage Systems for Strata Clean Energy's White Tank Battery Project in Arizona

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 signed a Battery Supply Agreement and Long-Term Service Agreement (LTSA) with Strata Clean Energy's White Tank Energy Storage LLC for a 100 MW / 576 MWh DC Battery Energy Storage System (BESS) in Arizona, USA. Construction is set to begin in October of 2026.

The White Tank Battery project, developed by Strata Clean Energy, will deliver stored renewable energy to Arizona Public Service (APS), enhancing grid reliability. Utilizing its proprietary SolBank 3.0 BESS technology, e-STORAGE, a Tier 1 global provider of energy storage solutions, will supply, commission, and oversee the long-term operation of the battery system.

e-STORAGE will provide approximately 120 SolBank 3.0 battery enclosures to the White Tank Battery project to help shift abundant renewable energy produced in the middle of the day to the early evening hours when customers need it most. Following commissioning, e-STORAGE will manage the system under a 20-year LTSA, ensuring optimized system performance, comprehensive monitoring and maintenance, and seamless integration with APS's energy grid.

Bob Schaffeld, President of Strata Clean Energy, commented, "Strata is pleased to announce the inclusion of e-STORAGE's flexible, turnkey solutions and service support in our White Tank energy storage project. Their commitment to performance excellence aligns perfectly with our mission to deliver only the best quality to our customers."

Colin Parkin, President of e-STORAGE, added, "We are proud to partner with Strata Clean Energy on the White Tank Battery project, which will play a crucial role in supporting Arizona's clean energy goals. Our SolBank technology is designed to deliver safe, high-performance energy storage solutions that meet the growing demand for reliable, dispatchable renewable energy. e-STORAGE remains committed to driving energy innovation and delivering best-in-class solutions for the U.S. market."

Canadian Solar | www.canadiansolar.com

e-STORAGE | www.csestorage.com

Strata Clean Energy | http://www.stratacleanenergy.com