How would this work? Is it beaming it down? If so, is the beam harmful to planes?
Yes, satellites in geosynchronous orbit collect sunlight continuously and beam it down as near-infrared light to ground-based solar panels — and Overview Energy's approach is specifically designed to be low-intensity enough that it poses no hazard to aircraft or people passing through the beam.
Why it matters: The choice of near-infrared over microwaves or high-powered lasers is the core safety bet that distinguishes Overview from rivals and could determine whether regulators allow commercial beaming at scale.
- The satellite sits ~36,000 km up in geosynchronous orbit (meaning it hovers over one spot), collects solar energy 24/7 (no night cycle in that orbit), converts it into a wide, low-density near-infrared beam, and aims it at ground receivers — conventional photovoltaic panels that convert the infrared light into electricity the same way they convert sunlight.
- By the time the beam spreads across the distance from geosynchronous orbit to the ground, its intensity at flight altitudes is very low — Overview's CEO Marc Berte describes standing in the beam as equivalent to standing on a white sand beach in direct sun.
- Overview demonstrated this in November 2025 by beaming power FROM a moving Cessna Caravan at 5,000+ meters to receivers on the ground — the aircraft itself was the transmitter, and the beam was described as 'eye-safe' throughout.
- The near-infrared wavelength (used in fiber optics, medical imaging, and security cameras) is the key safety distinction: rival Aetherflux uses higher-intensity lasers, and the original 1968 Glaser concept used microwaves — both of which carry more obvious hazard profiles for aircraft and people.
- Overview claims passive safety for near-infrared at utility scale, but no independent regulator has yet set standards for a 1 GW commercial beam — critics note there's a gap between a single Cessna test and continuous gigawatt-scale transmission through commercial airspace, and the arxiv literature on laser-aircraft avoidance suggests aircraft illumination is a real engineering problem that hasn't been solved at this scale.
- Aetherflux's laser-based approach targets earlier deployment (2027 vs. Overview's 2028 demo) but uses a higher-intensity beam architecture, suggesting the two companies have made opposite safety-vs-efficiency tradeoffs — and the winning architecture will likely be shaped by whichever regulatory framework emerges first.
