From pv magazine USA
247Solar said it is one step closer to commercializing its solar thermal electric generating technology, which has been under development for more than a decade, with an $8 million Series A funding round, $6 million of which has been closed to date.
The company produces “247Solar Plants” that are capable of producing 400 kW of electricity from 1,800 F heat using a solar receiver design. It is a proprietary thermal storage system with a unique turbine, to produce 24/7 solar electricity.
The system can generate heat and electricity 24 hours a day, seven days a week. Like traditional concentrating solar power (CSP), 247Solar’s technology uses mirrors to reflect sunlight onto a receiver tower. The tower is shorter than traditional CSP towers, and its turbines run on hot air at normal atmospheric pressure, which the company said reduces the system’s complexity.
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The intellectual property for the turbine involves a high-temp heat exchanger, 247Solar told pv magazine USA. The heat exchanger is based on a design developed by the late MIT professor emeritus David Gordon Wilson. MIT owns the patent for the heat exchanger and 247Solar licenses it from them.
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