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. . Let's face it – with electricity bills doing their best rocket launch impression and power outages becoming as common as avocado toast at brunch, home energy storage batteries are no longer just for off-grid hippies. This dramatic price reduction, coupled with rising electricity rates and growing grid. . We explain how to decide if backup batteries are right for you and, if so, how to get a battery system that fits your needs at the best price. Home backup batteries store electricity for later use and can be used with or without solar panels. The median battery cost on EnergySage is $1,037/kWh of. . If you're considering battery storage for your home in 2025, you're not alone. The global surge in solar adoption, energy price volatility, and increased frequency of blackouts are pushing homeowners to seek smarter, more resilient energy solutions. But how much does a home battery actually cost?.