While lithium-ion batteries dominate 92% of new solar storage projects (Wood Mackenzie 2024), developers face a critical tradeoff: A 2024 Lazard study demonstrated that oversizing battery banks by 20% increases project ROI through a 30% longer system lifespan. . While lithium-ion batteries dominate 92% of new solar storage projects (Wood Mackenzie 2024), developers face a critical tradeoff: A 2024 Lazard study demonstrated that oversizing battery banks by 20% increases project ROI through a 30% longer system lifespan. . Chinese multinational Envision Energy has unveiled the world's most energy dense, grid-scale battery energy storage system packed in a standard 20-foot container. Shanghai-headquartered Envision Energy launched its latest grid-scale energy storage system at the third Electrical Energy Storage. . Battery energy storage has become a core component of utility planning, grid reliability, and renewable energy integration. Following a record year in 2024, when more than 10 gigawatts of utility-scale battery storage were installed nationwide, deployment accelerated even further in 2025. Their scalability, falling. .