## Beaming the Sun
On Earth, solar panels are terribly inefficient. They stop working at night, and clouds block the sun. But in Geostationary Orbit (GEO), it is always daylight, and there is no atmosphere to scatter the light. A solar panel in space is 100% efficient 24/7. So why don't we do it?
### FAQ
**Q: Why is Orbital Solar mathematically impossible today?**
A: The law of gravity. To build a massive 2,000 Megawatt solar farm in space requires launching 10,000 tons of mirrors and rectennas. Even if Starship drops the cost of a launch to $1,500/kg, it will still cost $15 Billion just to pay for the rocket fuel to throw the metal into space. Then, you shoot the energy down to Earth using microwave beams, losing 45% of the power to atmospheric scattering. When you finally sell the electricity into the Texas grid at 4 cents a Kilowatt-hour, the revenue is so low that it would take 39 years just to pay off the initial rocket launches.