1.

Must Article 8 of Regulation (EU) 2022/1854 (1) be interpreted as meaning that a national measure such as the contribution of 5 % of the revenues from the sale of electricity provided for in Article 36f of the Zakon za energetikata (Energy Law) can be maintained and a mandatory cap can simultaneously be imposed on electricity producers’ market revenues?

2.

If the answer to Question 1 is in the affirmative: Must Article 8 of Regulation (EU) 2022/1854 be interpreted as permitting the contribution of 5 % of revenues from the sale of electricity to be calculated and due on amounts exceeding the mandatory revenue cap, which the electricity producers must pass on to the Fond ‘sigurnost na elektroenergiynata sistema’ (Electricity Supply Security Fund) and which do not constitute proceeds for them? Can it be assumed when interpreting that provision that the contribution of 5 % of revenues from the sale of electricity does not constitute discrimination, even though it results, for some electricity producers, in the same amounts being taxed twice?

3.

In light of the interpretation of

4.

Must Article 63 TFEU and Article 17 of the Charter of Fundamental Rights of the European Union be interpreted as precluding national legislation and national practice, such as that at issue in the present case, under which amounts which an electricity producer pays to the State (amounts exceeding the mandatory cap on electricity producers’ revenues) are subject to a further State receivable (of 5 % pursuant to Article 36f of the Energy Law)?