1、Welcome to the Edition 2 2026 version of the SINOVOLTAICS BESSManufacturer Ranking Report.For the purpose of this report,Battery Energy Storage Systems(BESS)refer to integrated systems designed for storing electrical energyusing batteries,including key components such as battery cells,battery manage
2、ment systems(BMS),and power conversion systems(PCS).The Altman Z-Scores presented in this report have been calculatedfrom June 2023 to March 2026,providing detailed insight into howthe financial strength of BESS manufacturers has evolved over thepast three years.The ranking includes manufacturers ac
3、ross allmarket segments and scales,offering a comprehensive view of bothestablished players and emerging companies in the global BESSlandscape.For readability,the term“BESS manufacturers”used throughout thisreport refers collectively to manufacturers,OEMs,and systemintegrators.2In this rapidly emerg
4、ing BESS market,with its wide variety of existingand in-development technologies,purchasers are faced with acomplex and challenging choice of manufacturers,many of whichhave only recently entered the sector.In such a young market,wherewarranty periods typically range between 2 and 10 years,the finan
5、cialstability of a BESS manufacturer is critical,as it directly impacts thevalidity and enforceability of product warranties.While it is widely recognized that not all of todays manufacturers willstill be active in the years ahead,ensuring short-to medium-termreliability remains essential.Stakeholde
6、rs must be confident thatwarranty obligations will be honored when needed.Looking ahead,many solar PV and BESS projects may face a difficultquestion:who can be relied upon for performance support,warrantyclaims,or replacement of malfunctioning systems after 2,5,or even 10years?Altman-Z Scores are ca