The power companies muscled into place a system where they could scrimp in improvements and pocket the savings.
The disastrous result was devastating fires. The system of civil courts still existed so they wound-up liable for their despicable maneuvers and has to pay a bit back from gains. So their next maneuver was turning off their lines when winds got high rather than engaging in the now even great expense of repairing them.
PG&E is a literally criminal enterprise, found criminally (not civilly) liable for the death of more than 100 people (29 gas explosion, 85 fire, etc).
The well-known Judge Alsop rightly denounced their vicious chicanery but sadly failed to put them in receivership and forfeit the value of their shareholder's assets (IMO, shareholder assets should be forfeit and previous dividends clawed back but natural they can do that to people in nursing homes and Madoff shareholder but they can't do it to these shitheals).
https://sanfrancisco.cbslocal.com/2020/05/28/regulators-appr...
I expected the correct maintenance costs to be taken on to maintain a better than third-world power grid availability.
All of this is somewhat conditioned by advancing global warming, which known to lead to more severe weather conditions (more specifically, with the slowing of the jetstream, the polar vortex migrates South, has been doing so for the last few years).