While business commitments caused me to put my advocacy for space-based solar power on hold for the past few years, affirmatively answering a personal request from U.S. Air Force Lieutenant Colonel Peter Garretson to re-energize my advocacy efforts has brought Citizens for Space Based Power back online.
There is another forum as well, the Google group power satellite economics.
This might be of interest, it has the basic numbers power satellites have to meet if they are going to undercut other sources of energy. It’s from a long discussion I had a couple of weeks ago at Reaction Engines.
https://drive.google.com/file/d/0B5iotdmmTJQsek9TNHhkeUI4UDlRQlNyVUNMclhJYkpxa3Jz/view?usp=sharing
Keith
Citizens for Space Based Solar Power 
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