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Founded in 2020 in California, Rondo Energy is reportedly a pioneer in decarbonizing industrial heat—a sector responsible for a quarter of global carbon emissions. Their core technology, the Rondo Heat Battery (RHB), is said to be an implementation of a "new fire" that merges centuries-old refractory bricks and iron wire with advanced modern automation.
The defining feature of this technology is the use of "radiant heat," similar to a kitchen toaster, to heat bricks directly and uniformly. By avoiding air or liquid mediums during charging (storage), the system reportedly eliminates "hot spots" common in competing technologies, achieving a remarkable 98% energy efficiency (electricity-in to heat-out) at temperatures up to 1,500°C. Furthermore, even when configured for heat transport or combined heat and power (CHP) using air as a medium, the system reportedly maintains a high overall efficiency of approximately 95% due to internal heat recycling and proprietary "dynamic insulation" that minimizes loss. This performance reportedly surpasses chemical storage methods like hydrogen or traditional lithium-ion batteries for industrial heating applications.
Significantly, Rondo solves the global "interconnection queue" crisis. By deploying "coupled units" that attach directly to on-site renewable farms, projects can bypass years of grid-related administrative delays and operate independently. With a mission to eliminate 15% of global CO2 emissions within 15 years, Rondo provides "drop-in" replacements for fossil-fueled boilers, reshaping the foundations of heavy industries like chemicals, cement, and steel to be restorative for the planet.
Backed by powerful capital from funds led by renowned investors and a visionary leadership team, Rondo is said to possess the power to fundamentally rebuild our civilization’s energy infrastructure. Their commitment to turning low-cost natural power into reliable heat f
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Rondo Energy Presentation - 23 May 2024 - Pantokrator Webinar
The world’s largest battery made of bricks turns on in California
Rondo Energy's 100 MWh heat battery powered by 20 MW of onsite solar - pv magazine USA