1.1.2 The SSPS Concept ( A.D.Little et al.) 1973 Ground Power Output Total Mass Solar Cell Type Efficiency with CR = 2 Microwave Generator Type Generator Efficiency System Efficiency Total Cost (Without DDT&E) Electricity Cost DDT&E Cost Characteristics: Prefabricated parts of the SSPS will be lifted to LEO by a HLLV(200-400 ton class). There the satellite will be partially mounted and these parts will be delivered to GEO by ion-thrusters. In GEO these parts will be finally integrated to a SSPS.
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