allocation rulesmeans the rules for forward capacity allocation applied by the single allocation platform;
auctionmeans the process by which long-term cross-zonal capacity is offered and allocated to market participants who submit bids;
compensation rulesmeans the rules according to which each TSO responsible for the bidding zone border, where long-term transmission rights have been allocated, compensates transmission right holders for curtailing the long-term transmission rights.
forward capacity allocationmeans the attribution of long-term cross-zonal capacity through an auction before the day-ahead time frame;
long-term transmission rightmeans a physical transmission right or a FTR — option or a FTR — obligation acquired in the forward capacity allocation;
market spreadmeans the difference between the hourly day-ahead prices of the two concerned bidding zones for the respective market time unit in a specific direction;
nominationmeans the notification of the use of long-term cross-zonal capacity by a physical transmission rights holder and its counterparty, or an authorised third party, to the respective TSOs;
nomination rulesmeans the rules with regard to the notification of use of long-term cross-zonal capacity by a physical transmission rights holder and their counterparty, or an authorised third party, to the respective TSOs;
single allocation platformmeans the European platform established by all TSOs for forward capacity allocation;
UIOSImeans the principle according to which the underlying cross-zonal capacity of physical transmission rights purchased and non-nominated is automatically made available for day-ahead capacity allocation and according to which the holder of these physical transmission rights receives remuneration from the TSOs.