You can probably think of this as gas prices at motorway stations vs gas prices at your local supermarket. OK, the spread is smaller for gas, but the underlying

You can probably think of this as gas prices at motorway stations vs gas prices at your local supermarket. OK, the spread is smaller for gas, but the underlying principle is the same. You pay for convenience and speed. Also, if you don't really need it, you shouldn't use fast chargers - charge at home, or at slower AC charge points. With those higher DC prices you are incentivized to do so.