Canadian Solar Inc. announced that e-STORAGE, part of its majority-owned subsidiary CSI Solar Co., Ltd., has signed a Battery Supply Agreement and a 20-year Long-Term Service Agreement (LTSA) with Strata Clean Energy’s White Tank Energy Storage LLC. The project will deploy a 100 MW / 576 MWh DC Battery Energy Storage System (BESS) in Arizona, with construction set to begin in October 2026.

Developed by Strata Clean Energy, the White Tank Battery project will supply stored renewable energy to Arizona Public Service (APS), enhancing grid reliability. e-STORAGE, a leading global provider of energy storage solutions, will supply, commission, and manage the long-term operation of the system using its proprietary SolBank 3.0 BESS technology.

As part of the agreement, e-STORAGE will provide approximately 120 SolBank 3.0 battery enclosures, enabling the storage of excess daytime renewable energy for use during peak evening hours. Once commissioned, e-STORAGE will oversee the system’s performance, ensuring seamless integration with APS’s energy grid through ongoing monitoring, maintenance, and optimization.

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.”