The idea of space-based solar has been around for awhile, but the European Space Agency appears to be getting more serious about it.

The Sun’s energy can be collected much more efficiently in space because there is neither night nor clouds. The idea has been around for more than 50 years, but it has been too difficult and too expensive to implement, until maybe now.

The game-changer has been the plummeting cost of launches, thanks to reusable rockets and other innovations developed by the private sector. But there have also been advances in robotic construction in space and the development of technology to wirelessly beam electricity from space to Earth.

BBC

Different sources say this could be commercially valuable in around a decade to maybe 2040. Even sooner with massive public investment, say companies who are hoping for massive public investment in their companies. Obvious Bond villain Elon Musk could not be reached for comment.