Instead, a complex web of regulatory, supply chain, technological, and market-specific challenges is slowing the pace of BESS deployment. In this article, we explore the multifaceted reasons behind these delays and examine how the issues differ across countries and continents. Government nor any agency thereof, nor any of their employees, makes any warranty, expressed or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness, of any information, apparatus, product, or. . This includes the Clean Energy Ministerial, Climate Investment Funds, Global Energy Alliance for People and Planet, International Renewable Energy Agency, National Renewable Energy Laboratory, RMI, and the World Bank. Gratitude is also extended to contributors from Botswana, Brazil, India, Latin. . Despite the rapid technological evolution and the urgent need for renewable integration, investments in Battery Energy Storage Systems (BESS) are experiencing notable delays worldwide. Among these systems, battery energy storage systems (BESSs) have emerged as a promising technology due to their. . nergy and providing critical support to the electric grid.