The Future Current
Bruce Anderson [https://www.linkedin.com/in/bruceanderson2/], CEO of 247Solar [https://247solar.com/], has been working in solar since the 1970s, and his current bet is that the industry's fixation on PV-plus-batteries leaves a structural gap in firm, round-the-clock power that lithium ion cannot fill past 4 hours of storage. 24.7Solar, uses concentrated solar to heat ceramic pellets to 1,800 degrees Fahrenheit, stores that heat through the day, then drives jet-engine-style Brayton cycle turbines at night to produce electricity without combustion, a different architecture than either conventional CSP or battery storage. Bruce explains why the Brayton cycle outperforms steam turbines on reliability and O+M cost, how the modular design sidesteps the project risk that sank predecessors like Ivanpah and Crescent Dunes, and why building on atmospheric pressure air eliminates the environmental permitting exposure that has slowed molten salt systems. He also lays out his beachhead market logic: off-grid mines pay the highest electricity rates in the world and process ore on site, capturing the value of both power and industrial heat from a single system. Topics discussed: * Why lithium ion storage hits a 4-hour ceiling and how thermal storage fills the firm power gap beyond it * Heating ceramic pellets to 1,800 degrees Fahrenheit as a low-cost, long-duration alternative to battery or molten salt storage * Switching from Rankine cycle steam turbines to Brayton cycle air turbines to improve reliability and reduce O&M complexity * Using modular, standardized factory production to drive down CAPEX and avoid the construction risk that failed large-scale CSP projects * Targeting off-grid mines as the beachhead market based on high electricity rates and simultaneous industrial heat demand * Delivering 5 nines reliability to data centers through module-level redundancy and fast load-following turbine response * Generating dual revenue from electricity and industrial heat sales to improve project economics without government subsidies
9 episodios
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