This report provides rankings of the top battery energy storage system integrators based on MWhs shipped, broken down globally and regionally. Including Tesla, GE and Enphase, this week's Top 10 runs through the leading energy storage companies around the world that are revolutionising the space Whether it be energy that powers smartphones or even fuelling entire cities, energy storage solutions support infrastructure that acts as a. A recent BESS system integrator ranking from Rho Motion demonstrates how the energy storage industry is rapidly evolving as it grows. From 2023 to 2024, BESS shipments grew by 79%, and growth in 2025 is expected to be bigger. Data from the first half of 2025 (H1 2025) shows shipments have already. Foreground and background images, respectively: BESS systems deployed by Sungrow and Tesla, the two largest system integrators globally according to S&P. Choosing the right partner can be complex, given the variety of technologies, scales, and service models available.