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Research from King's College London indicates that space-based solar power (SBSP) could cut Europe's reliance on ground-based renewable energy by up to 80% by 2050. SBSP involves large satellites in high Earth orbit that collect solar energy and transmit it to a secure point on Earth, where it is converted to electricity.

A UK government report suggests SBSP could become cost-competitive by 2040. Initial estimates for the technology's development stand at €15.8 billion. Launch costs have significantly decreased, contributing to economic feasibility. However, concerns over environmental impact, safety risks, and the potential for orbital debris remain critical issues.