Two consortia were established in order to carry out the study:
The UCTE-Consortium responsible for the project consisted of 11 TSOs from 9 countries, namely: E.ON Netz GmbH (Germany) – acting as the Consortium leader, ELIA System Operator S.A. (Belgium), MAVIR Hungarian Power System Operator Company (Hungary), Electricita Sistemen Operator EAD (Bulgaria), PSE-Operator S.A. (Poland), Red Electrica de Espana S.A. (Spain), Reseau de Transport d'Electricite (France), RWE Transportnetz Strom GmbH (Germany), Slovenska elektrizacna prenosova sustava, a.s. (Slovak Republic), National Power Grid Company “Transelectrica” (Romania) and Vattenfall Europe Transmission GmbH (Germany).
On the IPS/UPS-side, a group of 8 companies established a joint agreement for the project: Belenergo (Belarus), Eesti Energia (Estonia), KEGOC (Kazakhstan), Latvenergo (Latvia), Lietuvos Energia AB (Lithuania), Ukrenergo (Ukraine), Moldelectrica (Moldova) and the System Operator - Central Dispatch Organisation for the Unified Energy System of Russia (RAO UES). The latter having the leading function for the Eastern European partners. An overview about the structure and the member countries of the IPS/UPS is given in the Figure.
