T8 Requirements Power grid / Vattenfall Health Check

Hello, because our home and home electrician will stop by in the next few days anyway because of a defective dryer, I wanted to consult him directly because of the charging requirements for an even more potential XC60 T8 in our garage. Before that I wanted to inform myself about the “requirements” of charging an electric vehicle, especially the XC60 T8, to the power grid and was not found on the internet so far. Does anyone have data about this? Further question i n in this context: What can I imagine under the Vattenfall Health Check? Do I really assume that this is mainly a “coffe ride” to buy a wallbox? With a PIH with anyway relatively low loading time there are hardly any advantages from this or?