That it is not translating into a higher cost to the consumer (as evidenced on your link) is likely indicative of other costs being incurred by the “average” consumer in those countries with a higher domestic rate - like massive markup from users being tied into inflated contracts due to the 2022 shock where rates across Europe were more than double what they are now.

Also, these are residential prices - business prices are usually much lower (wholesale discounts, subsidies, no VAT, lower delivery charges).

As per my response to the initial comment - there is no way a datacentre in Europe is paying 30c/kWh