Flow batteries also boast impressive longevity. In ideal conditions, they can withstand many years of use with minimal degradation, allowing for up to 20,000 cycles. This fact is especially significant, as it can directly affect the total cost of energy storage, bringing down the cost per kWh over the battery's lifespan.
Flow batteries have a unique selling proposition in that increasing their capacity doesn't require adding more stacks—simply increasing the electrolyte volume does the trick. This aspect potentially reduces expansion costs considerably when more energy capacity is needed.
Installing a traditional energy system, including electric panels and monthly billing, averages $3,000 to $6,000 per year for residential use. In contrast, the initial investment in solar panels may range from $15,000 to $30,000, depending on home size and energy needs. However, solar batteries can drive these costs down:
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