On a granular level, the average cost fluctuates primarily between $6,000 and $15,000, inclusive of installation, though certain models may incur additional expenses depending on the system's capacity and features. This price usually includes the battery, installation, and any necessary equipment. Battery Costs: This is the biggest part of the. . Whether you frequently experience outages, are paying exorbitant electric bills, or simply want more energy independence, investing in home battery storage may be the solution you're looking for. But you'll get. . The cost of home battery storage has plummeted from over $1,000 per kilowatt-hour (kWh) a decade ago to around $200-400/kWh today, making residential energy storage increasingly accessible to homeowners. Certified to UL 1973, UL 9540A, IEC 62619, and more, our systems ensure proven safety and. .