Technical Discussion On Power Beaming: Engineers Take Note!

Regarding power beaming from satellites at GEO to the Earth’s surface:

“The atmosphere has two bandwidth width windows though which it is possible to beam power between space and the surface efficiently, and outside of which atmospheric absorption will kill you: (1) a microwave window, of which the 2.45 GHz frequency (~ 12 centimeter wavelength) employed in the 1970s DoD/NASA reference SPS design is typical, and (2) a visible window extending perhaps as far into the near infrared as a micron of so in wavelength. …

The Business Case: An Ongoing Discussion

One of the goals is to turn space solar power over to the commercial sector as soon as possible. This demands a business case that allows competitive pricing to the consumer for space-based solar power while creating sufficient profit motives for industry. One of our participants asked for the following:

“I want to ask for an separate and identified ongoing discussion of the business case on this web site. That section would need to include an evolving market and financial analysis models. It would be a kind of progress chart towards actually doing the deed.”

So here it is. Please take a look at the preceding thread regarding The Goal for 2050 and the Build Forward and use this to base your estimates.