EarthEn Energy, a climate-tech innovator in long-duration energy storage (LDES), proudly launched itsEarthEn Heat BatteryatRE+ Storage, Santa Clara, on 7/31/25, unveiling a next-generation solution to decarbonize high-temperature industrial heat processes using renewable energy,whileenhancing energy resiliency and improving overall industrial efficiency.
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EarthEn is part of theLab-Embedded Entrepreneurship Program (LEEP)at theInnovation Crossroads initiative in Oak Ridge National Laboratory (ORNL), where it is leveraging world-class R&D expertise to accelerate the commercialization of its storage technologies.
Developed with support from theU.S. Department of Energy (DOE),National Science Foundation (NSF),Launch Tennessee (LaunchTN),Partnership for Economic Innovation (Arizona), and theCalifornia Sustainable Energy Entrepreneur Development Initiative (CalSEED), this breakthrough technology is poised to transform how industries generate and store thermal energy, providing cost-effective, dispatchable, and resilient heat supply.
Revolutionizing Industrial Heat Storage
TheEarthEn Heat Batterystores surplus renewable electricity and releases it ashigh-temperature steam or hot air (200degreeC to 500degreeC)on demand, withcustomizable 4-12 hour storage durations,up to 90% round-trip efficiency, and ascalable modular designsuitable for industrial-scale deployments-all at a cost-competitive price point.
Additionally, the Heat Battery cancapture and reuse waste heat from industrial processes, storing it and redirecting it back into production cycles. This reduces energy losses, increases overallthermal efficiency, and lowers fuel consumption, enablingindustries to optimize their operations while cutting costs and emissions.
Crucially, the Heat Battery also providesenergy resiliency, ensuring industries havereliable access to heat even duringgrid fluctuations, outages, or renewable generation dips, helping maintaincontinuous operations and supply chain stability.
“Industrial heat is one of the toughest sectors to decarbonize,”saidDr. Manas Pathak, CEO & Founder of EarthEn Energy.”Our Heat Battery gives manufacturers a practical, reliable, and affordable way to utilize clean energy, recover waste heat, and keep their operations resilient and efficient 24/7 on clean energy.”
Dr. Palash Panja, CTO and co-founder of EarthEn Energy, added: “We've engineered the Heat Battery to integrate seamlessly into existing systems, making it a plug-and-play solution for industries looking to cut emissions, reuse heat, boost reliability, and stay cost-competitive.”
Industrial Applications
TheEarthEn Heat Batteryis designed for multiple energy-intensive sectors, including:
— Food & Beverage Processing (drying, boiling, sterilization)
— Textile & Dyeing industries
— Pulp & Paper manufacturing
— Pharmaceuticals and chemical processing
— Petrochemical and other high-temperature applications
Withcontainerized or skid-mounted options, the system minimizes installation time and cost, making clean heat deployment fast and efficient.
The launch event featured a product demonstration of the Heat Battery and highlighted upcomingpilot projects planned for 2025.
AboutEarthEn Energy
EarthEn Energy is a US-based energy startup pioneeringnext-generation long-duration energy storage solutionsto enable anet-zero energy future. The company'sthermal and thermo-mechanical technologiesprovide cost-effective, scalable options for both grid and industrial energy needs.
Media Contact:EarthEn Energyask@earthen.energy
www.earthen.energy
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