Supercapacitors: the economics?
Costs of supercapacitors storing 15-seconds of electricity average $10,000/kWh, but just $40/kW in power terms. Economics are in this model.
In 2023, the average supercapacitor energy storage system ranged between $3,000-$5,000 per kWh – significantly higher than traditional batteries. But why does this gap exist, and when will it close? Unlike batteries that rely on chemical reactions, supercapacitors store energy electrostatically.
Supercapacitors are the most advanced energy storage devices in the world. Combining the qualities of capacitors with the most advanced batteries, supercapacitors have a 10X lifespan over Lithium batteries, faster charge and discharge rates and the lowest lifetime cost of energy of any energy storage device in the world.
The capex costs of supercapacitors are contrasted with the costs of lithium ion batteries and the costs of flywheels in the chart below. A typical supercapacitor stores about 15 seconds of energy, for a capex cost of $10,000/kWh, but just $40/kW of power.
The impact on consumers' business in the supercapacitor market arises from evolving energy demands and industry transitions. Automotive, renewable energy, consumer electronics, and industrial sectors are the primary users of supercapacitors, with high-power storage and efficiency as key focus areas.
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