 Lithium-ion battery technologies offer high energy density and long cycle life, making them suitable for use in stationary energy storage systems. These systems can be designed to meet the needs of different applications, such as peak shaving, frequency regulation, and renewable energy integration. The review provides guidelines for selecting the most appropriate battery technology, system architecture, and operating strategies for each type of application. This article was authored by Holger C. Hesse, Michael Schimp, Daniel Kusevich, and others.