This report provides rankings of the top battery energy storage system integrators based on MWhs shipped, broken down globally and regionally. The report also covers the changing landscape of the global and regional markets and highlights the companies with the largest. st battery-based energy storage system provider? Fluencenamed the top global provider of battery-based energy storage systems in the 2021 Battery Energ orage systems are the most popular in the world? The ranking is based on market share of installed and planned projects,and Fluenceleads the list. 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. This report provides rankings of the top battery energy storage system integrators based on MWhs shipped, broken down globally and regionally. st half are CATL,EVE Energy,REPT,Hithium,and BYD. 02 billion in 2024 and is expected to reach 114. GE. The Energy Storage System (ESS) market companies dominate one of the fastest-growing clean-tech arenas.