12-16. Typical aeromaneuvering orbital transfer vehicle concept...................................................................... 12-20 13-1. SPS environmental effects........................................................... 13-3 14-1. Work breakdown structure........................................................... 14-2 14-2. Generation costs............................................................................. 14-6 14-3. SPS average unit life cycle cost................................................ 14-9 14-4. Effects of solar blanket cost on SPS economics ................... 14-10 14-5. Effects of launch to LEO cost on SPS economics................ 14-11 14-6. Effects of structure cost on SPS economics......................... 14-12 14-7. Contribution of SPS to United States installed electrical capacity...................................................................... 14-14 14-8. Energy price rise relative to general prices......................... 14-15 14-9. SPS average unit generation cost............................................. 14-20 14-10. Year 1995 generation cost comparison ................................. 14-22 15-1. SPS feasibility demonstration facilities....................................... 15-5 A-l. Artist* s concept of a 5000 MW SPS................................................. A-2 A-2. Economic comparison of a 5000 MW SPS operating over the period 1995-2025 with terrestrial fossil fuel plants................................................................................................ A-3
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