Canadian Solar’s e-STORAGE Partners with Aypa Power on 420 MW Battery Storage Projects in Ontario

Canadian Solar Inc. today announced that e-STORAGE, part of its majority-owned subsidiary CSI Solar Co., Ltd., has signed Battery Storage Agreements and Long-Term Service Agreements with Aypa Power for two major battery energy storage projects in Ontario, Canada — Elora and Hedley.

Together, the Elora and Hedley projects will deliver 420 MW / 2,122 MWh of new storage capacity to Ontario’s electricity grid. Once completed, they will be among the largest energy storage facilities under development in the province, reinforcing Ontario’s growing leadership in large-scale storage deployment. The projects also highlight the continued collaboration between e-STORAGE and Aypa Power in advancing critical energy infrastructure across North America.

Both facilities will use e-STORAGE’s SolBank technology under 20-year long-term service agreements. These agreements cover continuous monitoring, preventive maintenance, and performance guarantees, ensuring long-term reliability, high system availability, and stable service revenues over the lifecycle of the assets. Moe Hajabed, CEO of Aypa Power, commented, “The Elora and Hedley projects represent critical investments in Ontario’senergy system, providing the flexible capacity needed to meet rising demand and maintain a reliable grid. By working with trusted partners and applying the highest standards in performance and safety, we are building assets that deliver lasting value to Ontario’s communities and economy.”

Colin Parkin, President of e-STORAGE, added, “We are proud to expand our partnership with Aypa Power through the Elora and Hedley projects. These projects will provide reliable capacity through the IESO’s Long-Term 1 (“LT1″) Resource Adequacy framework and reaffirm our long-term commitment to the Canadian market.”