Space-Based Solar Power (SBSP)

Space-Based Solar Power

This publication focuses on the concept of Solar Power in Space (SBSP) and explains how this solution could help Europe to decarbonize. 

 SBSP is an innovative solution that aims to harness solar energy in space and transmit it wirelessly to Earth, providing a reliable, renewable, low-carbon energy source that is not affected by weather conditions or daylight limitations. The development of the SBSP concept has been made possible by technological innovation (efficiency of solar panels, development of low-cost space launchers, etc.) and public-private partnerships that help make the SBSP option economically credible.  

Major technical challenges

However, major technical challenges must be overcome to ensure the success of the SBSP concept. These technical challenges include: 

– The development of a wireless power transmission system, which is still in the early stages of development for the size scale required by SBSP, and whose performance will greatly influence the economic viability of SBSP 

– The deployment of low-cost on-orbit space launch 

The improvement to develop more affordable technologies will be key to the viability of SBSP in the coming years.  

Europe has addressed these challenges through the Solaris program recently launched by ESA. This program aims to help Europe build its own commercial SBSP by 2040 through an ambitious roadmap: launch of a small-scale demonstrator by 2030, a pilot SBSP by 2035 and a commercial-scale SBSP by 2040. 

Conclusion

In conclusion, SBSP is a promising concept that could help Europe in the transition to low-carbon energy production. However, significant challenges must be overcome to make it a viable and competitive option. The Solaris program is an excellent example of how innovative partnerships and ambitious goals can drive progress and innovation.