U.S. Reference Case Space Solar Power Concept Summary • Originally designed in 1970s DOE/NASA studies • Alternate energy supply for U.S. baseload power needs, using 60 GEO satellites • Very large platforms - conventional open truss structure • Significant investments needed for space and ground infrastructure, ETO transportation, and in-space assets • Concept requires unique, affordable ETO and OTV transportation elements (HLLV, HRST, SEP technology) • LEO and GEO base accommodations for large astronaut workforce to assemble elements • Unique large ground infrastructure and at least one full satellite with all space infrastructure must be in place before system generates revenue Description Architecture Context
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