Space Solar Limited, founded in 2022 and headquartered in the UK, is a company focused on developing space-based solar power (SBSP) technology. As a provider, they aim to create clean, dependable, and affordable energy by collecting solar energy in space and wirelessly transmitting it to Earth. Space Solar collaborates with organizations like the UK Government through the Space Energy Initiative (SEI) and is working towards having its first plant operational by 2030.
All verified mentions of this organization in source documents.
Overview Energy has been negotiating capacity agreements in which power users would pay to enter a queue for future space solar power.
A planned Chinese demonstration of space solar was absent from China’s 15th five-year plan released in October 2024, though Chinese scientists associated with the project indicated the project was going forward.
The NASA cost model projected space solar systems could be 12 to 80 times more expensive than terrestrial renewable alternatives based on those lifecycle cost estimates.
John Mankins is a former NASA and JPL scientist and long-time space solar advocate who notes startups in the U.S., Australia, the U.K., and China are pursuing space solar.
ESA launched the SOLARIS program in 2022 to investigate space solar as a pathway to achieving net-zero emissions.
Aetherflux emerged from stealth in 2023 and is focused on use cases outside the traditional space-to-Earth grid application of space solar.
Space Solar develops plans for solar power collection in geostationary orbit with RF beaming to Earth and signed a collaboration deal with Transition Labs in 2024 to provide Reykjavik Energy with electricity from a space-based solar power plant.
Space Solar won the Space Business Catalyst Award at World Space Business Week in Paris in 2025.
Martin Soltau co-founded Space Solar after a 24-year career in aerospace engineering and serves as the company’s co-CEO.
Space-based data centers would also demand parallel investment in solar power satellites and power-beaming infrastructure if they rely on dedicated space solar power.
Space engineers prioritize specific power measured in Watts per kilogram for space solar arrays.
Aetherflux is a space solar startup founded by Baiju Bhatt.
Aetherflux announced plans for an orbital computer network called 'Galactic Brain' powered by space solar power.
The missions are part of a new printable in-space solar array offering called Araqys.
The US needs approximately 900 five-gigawatt space solar power platforms by 2100 to sustain energy security.
Idemitsu Kosan's space-based CIGS solar cell technology will be combined with Source's space solar array technology to develop innovative space power solutions for satellites and other space vehicles.
Caltech successfully operated the Space Solar Power Demonstrator (SSPD-1) from January through late 2023.
Flexell Space's solar cell technology demonstrates a 90% weight reduction and 60% cost savings compared to conventional space solar cells.
The GEO High Power WPT Demonstration Mission is the proposed second step to develop space solar power.
America has only four possible sufficiently scalable options to transition to sustainable energy: wind power, ground solar power, nuclear fission power, and space solar power-supplied astroelectricity.