![SSP Space Solar Power](https://nss.org/wp-content/uploads/2018/01/ssp-space-solar-power1.jpg)
Space Solar Power Concepts. Image credits, clockwise from upper left:
- SPS-ALPHA concept by John C. Mankins, Artemis Innovation; graphic by Mark Elwood, SEI; sponsored by NASA NIAC.
- Sun Tower [NASA].
- DOE/NASA 1980s Reference Design. Artwork by Mark Maxwell.
- SERT Sandwich Concept [NASA]
- Integrated Symmetrical Concentrator. Artwork by Pat Rawlings, NASA.