The leading battery energy storage manufacturers in 2026 include Avepower, CATL, Tesla, BYD, Fluence, sonnen, SENEC, Enphase Energy, LG Energy Solution, Samsung SDI, and several specialized B2B manufacturers serving residential, commercial, industrial, and utility-scale. The leading battery energy storage manufacturers in 2026 include Avepower, CATL, Tesla, BYD, Fluence, sonnen, SENEC, Enphase Energy, LG Energy Solution, Samsung SDI, and several specialized B2B manufacturers serving residential, commercial, industrial, and utility-scale. In this week's Top 10, we take a look at some of the firms that are lighting up the sector. Stem Founded: 2009 Based in: Houston, Texas, US CEO: Arun Narayanan Employees: 569 Arun Narayanan, CEO of Stem. Credit: Stem Stem's offering combines hardware and software in a way that is able to. In this week's Top 10, Energy Digital takes a deep dive into energy storage and profile the world's leading companies in this space who are leading the charge towards a more sustainable energy future. Vivint Solar Acquired by Sunrun in 2020 for US$3. Fill out the form to get your copy of our. Navigating the crowded landscape of energy storage manufacturers and integrators requires looking far beyond nameplate capacity to understand true technological capabilities, supply chain resilience, and specific market focus. One of the clearest trends shaping this change is the prioritization of availability over capacity. An energy storage system (ESS) is a technology designed to store energy for use at a later time. ESS solutions offer a range of benefits, including energy independence.