The transactions made on the energy markets and with physical delivery are subject to purchase price invoicing. ECC operates the invocing process and ECC Luxembourg s.a.r.l., the subsidiary of ECC issues and sends the purchase price invoices directly to the trading counterparties. In addition to the purchase price invoices ECC issues and sends fee invoices directly to the trading counterparties on behalf of the cooperating trading platforms and on its own behalf, related financial settlement is in the account of KELER CCP. KELER CCP passes on these fees to the traders.

Related to energy market clearing KELER CCP issues fee invoices to the energy market Non-clearing Members. The fee invoices are always issued on the first clearing day after the subject month; the invoiced amounts are collected from the Clearing Member accounts kept by KELER.