Lifecycle engineering assessments from NASA's Office of Technology, Policy, and Strategy demonstrate that space-based solar power beamed to Earth fails the economic and environmental bar: electricity delivered from orbit would cost $0.61–$1.60/kWh—12 to 24 times more expensive than terrestrial solar and wind combined with battery storage. Furthermore, the massive embodied energy of launching gigawatt-scale orbital rectennas results in higher lifecycle emissions per kilowatt-hour than ground-based solar. backreaction.blogspot.com