Texas grid was 'minutes' from failing, lawmaker says
https://edition.cnn.com/2021/02/17/weather/texas-winter-storm-wednesday/index.html
It shows how risky to rely only on one energy source. Though electrification of household devices is promoted, it would exterminate all of them in the case of power outages.
At least, it would be necessary to be connected to gas line.
