News FocusSPACE SOLAR POWER

Japan Looks for Bright Answers to Energy Needs

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Science  09 Nov 2001:
Vol. 294, Issue 5545, pp. 1273
DOI: 10.1126/science.294.5545.1273

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UJI, JAPAN-- A massive solar array to beam energy back to Earth is still a dream, but feasibility studies are moving ahead on several continents. Japan's National Space Development Agency earlier this year commissioned two industrial groups to develop competing proposals for a space solar power test satellite that could be launched within this decade. But some doubt that space solar power will ever prove economically competitive for terrestrial use.