Polar Night Energy is a Finnish energy company that designs and builds industrial-scale thermal energy storage systems. Our innovative Sand Battery reduces combustion in energy production and accelerates the transition to renewable energy for companies and communities.
The solution combines an ingenious yet simple idea with cutting-edge technological expertise. For our customers, the Sand Battery offers a cost-effective, sustainable, and reliable way to reduce carbon emissions and make the most of solar and wind energy.
The cost of stored energy, and consequently the produced heat, remains low because the Sand Battery can take advantage of cheap hourly electricity prices, participate in reserve and grid balancing markets, or utilize the customer’s renewable energy production. Due to the high temperature of the thermal storage medium, we can replace combustion-based heat sources used in industrial processes and phase out fossil fuels.
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