If the city has a cable bus fleet then more than half of the tooling and training is already done. You also have the substation personeel and need to retrain th

If the city has a cable bus fleet then more than half of the tooling and training is already done. You also have the substation personeel and need to retrain them for mainataining a charging substation instead of a supply substation. In my country you also get at 10% discount if you turn in your used car battery when getting a replacement. They need to recycle a used battery for every new one sold.