The challenges were filed between December 14 and 19 by Bip Telecom Bucuresti, RTD Computers Iasi, River Software Inc. Constanta, DIA Grup Com Bucuresti, Retail Management Systems Bucuresti and E-Factor Solutions Bucuresti.

The auction suspension can be challenged within five days from information.

The contract has a 24-month timeframe, according to an announcement placed online.

State-owned Hidroelectrica is Romania’s largest electricity producer. In 2010, the company’s sales rose 35.2% on the year, to RON3.27 billion, while pretax profit jumped to RON390.3 million from RON65.5 million. (EUR1=RON4.3045)