One nice thing about these developing countries is due to the power infrastructure tends to be not very good - which prompts people to take things into their hands and install solar, not to save the planet but to stave off brownouts, and be able to run the AC around the clock to stave off the heat.
For residential, solar + batteries straight up beats legacy infra on cost, and with the upcoming cheap sodium batteries, things are only going to get better.
Like how mobile payments took off in Africa early because they weren't held back by existing infrastructure.
In fact mobile infrastructure in general kind of leapfrogged land lines in many developing nations. Why run tens of thousands of kilometres of land lines when you could just dot self-sufficient wireless comms towers around the place?
Tokyo is so built up that cellphones were cheaper in the 90’s than land lines.