How Much Does A Solar Battery Storage System Cost?
This guide will provide a detailed overview of the costs associated with installing a solar battery storage system, including equipment, installation, and maintenance expenses, helping you
Most solar battery storage systems cost $10,000 on average, with most ranging between $6,000 and $12,000. Prices range from $400 for small units to over $20,000 for larger systems. Key cost factors include battery type, capacity, installation labor, and additional equipment.
A report from the National Renewable Energy Laboratory (NREL) estimates that a solar battery including installation can cost almost $19,000* to install, including the price of the battery itself and labor. Installation and permitting fees vary by location and installer, but the NREL estimates the battery itself typically costs $16,007.
Two cabinets can connect to a single inverter for up to 36 kWh total backup power. Whole-house solar battery backup costs $20,000 to $32,000 installed, not including solar panels. The average home uses 28 to 30 kWh per day, requiring batteries with at least that total capacity or more to power the entire home for one day.
The downside is interest payments on the loan accrue over time to increase the overall cost of the system. For example, using the example from earlier, financing a 7.9 kW solar system and 12.5 kWh battery with a 20-year loan (with zero money down) would cost nearly $47,000 while paying cash would cost around $30,000.
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