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An important effort in the Satellite Power System (SPS) Comparative Assessment is the selection and characterization of alternative technologies to be compared with the SPS concept. This report summarizes the ground rules, criteria, and screening procedure applied in the selection of those alternative technologies. The final set of central-station alternatives selected for comparison with the SPS concept includes: (1) light water reactor with improved fuel utilization, (2) conventional coal combustion with improved environmental controls, (3) open-cycle gas turbine with integral low-Btu gasifier, (4) terrestrial photovoltaic, (5) liquid metal fast breeder reactor, and (6) magnetic-confinement fusion.

Selection of alternative central-station technologies for the Satellite Power System (SPS) comparative assessment