Fortunately, so far I haven't had the need to fast-charge just to get home, because to do so may be a little challenge in itself. In public places it's very common for ICE cars to hog in the EV charging bays "Oh look, here is a parking spot, with some stupid green emoji, painted on it. Let's park here".
The charging stations I have tried to use did not work correctly on half of the occasions; most of the boo-boos were fixed over the phone, though.
To fast-charge (which I did just to explore the method) without the network-specific RFID card and subscription was $10.00, after a long phone call to the customer services. If you go from let's say half-battery to 90%, it's 24 kWh, that is $0.42/kWh or $14.04 for the equivalent of a gallon of gas (33.7 kWh = 1 gallon). But even with the RFID card it's still 5 coins.
Check out this number to call at one of the comatose stations:
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