So, first start passing laws that restrict the profitability of the utility. Then, the market price of the utility decreases and you can do a public buyout more easily.
Unfortunately cpuc has done nothing but allow rate increases, last I checked sdge has the most expensive rates in the continental us. Considering that with how shit the service has been I’d bet they are using that cash to pay regulators. I don’t expect this to go far but I hope it does because fuck sdge and cpuc