> First of all, there are places where a central grid don’t exists. You can think about Africa, but also some rural areas of US. I'm guessing those areas in th

> First of all, there are places where a central grid don’t exists. You can think about Africa, but also some rural areas of US. I'm guessing those areas in the US are more wilderness than "rural." The US has been working on rural electrification for more than 80 years: https://en.wikipedia.org/wiki/Rural_Electrification_Act https://en.wikipedia.org/wiki/Rural_Electrification_Act. According to that article, 90% of farm homes were already electrified 62 years ago.