The national control centre monitors the country’s electricity network.

The Central Tenders Committee did not give a reason for the retender.

Bids under the original tender were due on 30 December. The deadline for bids is now 22 March.

A pre-bid meeting will be held on 15 February.

A total of six companies were prequalified for the project. They include Germany’s Siemens, France’s Areva and Switzerland-based ABB. Three Japanese companies – Mitsubishi Corporation, Toshiba Corporation and Hitachi Zosen Corporation – were also prequalified.