Solar energy storage systems typically consist of solar panels, a battery storage system, and an inverter. During the day, solar panels convert sunlight into electricity, which can be used to power homes or businesses. The reason: Solar energy is not always produced at the time. . Solar energy storage has a few main benefits: Balancing electric loads. Topics in this guide include factors to consider when designing a solar+storage system, sizing a battery system, and safety and environmental considerations, as well as how to valu and finance solar+storage. Whether you're a homeowner aiming to increase energy independence, a business looking to manage demand charges, or a utility developer planning. .