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. . New York state is America's destination for advancing the research, technology, manufacturing and workforce for batteries that power everyday lives and beyond. Startup support in technology development and commercialization. By. . Stationary energy storage technologies broadly fall into three categories: electro-chemical storage, namely batteries, fuel cells and hydrogen storage; electro-mechanical storage, such as compressed air storage, flywheel storage and gravitational storage; and thermal storage, including sensible. .