Is NASA too down on space-based solar power?

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https://www.science.org/content/article/nasa-too-down-space-based-solar-power

By DANIEL CLERY, Science. 

Excerpt: This month, NASA cast a shadow on one of the most visionary prospects for freeing the world from fossil fuels: collecting solar energy in space and beaming it to Earth. An agency report found the scheme is feasible by 2050 but would cost between 12 and 80 times as much as ground-based renewable energy sources. Undaunted, many government agencies and companies are pushing ahead with demonstration plans. Some researchers say NASA’s analysis is too pessimistic.... 

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