Topic: renewable energy storage
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Underground Energy Storage & Trump's AI Plan Secrets
Quidnet Energy has demonstrated a novel underground pumped hydro system that stores renewable energy for up to six months, offering a solution for long-term storage in areas where traditional methods are impractical. The U.S. AI Action Plan introduces controversial measures, including financial p...
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Finnish Town Heats Up with World's Largest Sand Battery
A Finnish company, Polar Night Energy, developed a sand-based energy storage system using crushed soapstone to store renewable energy as heat, significantly reducing emissions in Pornainen. The 13-meter-tall sand battery stores 2,000 tonnes of soapstone, providing 100 MWh of energy—enough to heat...
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Offgrid Raises $15M to Pioneer Lithium-Free Battery Storage
Offgrid Energy Labs raised $15 million in Series A funding to develop its zinc-bromine battery technology, offering a cost-effective and safer alternative to lithium-ion systems. The company's ZincGel batteries provide 80–90% of lithium-ion efficiency with a longer lifespan, reduced fire risk, an...
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