There are plenty of ways to power a house without electricity, but that isn’t the real issue.
In a modern world and not living in a remote area, the need for routine power outside of the grid should not be necessary. The grid should be designed and maintained to tolerate the routine environmental conditions that occur locally. Back up power should only be required for emergencies, not as a routine solution for bad practices and policies.
Most solar in California supplements the grid. It is not designed to power the house. (ETA: Most solar wont even power the house during sunlight hours. If grid power is off, the solar is useless.). Powering the house takes battery back ups, which are not economically feasible. Generators will replace basic necessities, but bring along another level of issues; fires, gas storage, electrocution, carbon monoxide poisoning, pollution, noise, etc. However, when services are down outside of the residence, like cable and internet, traffic lights, stores, gas stations and restaurants etc., nothing the resident does will replace that. It’s not practical to live day to day without power.
We are in the third power outage in as many weeks. Power has become unpredictable. If a twig blows, power is shut off. Once it is off, it takes a day and a half at minimum to restore. There isn’t and hasn’t been a fire anywhere near us. Our subdivision is new with under ground utilities. We are not in a remote location by any stretch of the imagination. (It is SCE, not PG&E here).