US electric utilities are slamming the brakes on installation of solar panels, and homeowners are fighting back. I've heard that the same is happening in Spain.

Many homeowners would be delighted to disconnect from the electrical grid, and depend on their own solar power and their own batteries. If they use heavy equipment such as washing machines only when the sun shines, and leave refrigerators closed at night, it might work. However, some cities in California prohibit this: I'm told that in San Jose, a house with no electric utility account will be condemned just for that.