Grid fee
What a grid operator charges for the use of its grid; it is part of the electricity price and, for larger connections, often also depends on the highest power drawn.
Explained in
Where does the money of one session go?From 23.60 EUR at the charger to VAT, energy, grid fees, operation and the return on the charger: one session's money, split with stated assumptions.Energy and grid fees are the largest running cost of a charging operator.