Batteries. In 2010 batteries cost appx $1,200 per kWh. In 2021 it was $132 per kWh. That's significantly cheaper but you still need anywhere from 60 - 200 kW

Batteries. In 2010 batteries cost appx $1,200 per kWh. In 2021 it was $132 per kWh. That's significantly cheaper but you still need anywhere from 60 - 200 kWh of battery for a decent range. That can add anywhere from 8k to 26k to the cost.