Georgia to seek upgrades to four-plant Vardnili cascade

The government of Georgia plans to seek bids for rehabilitation of the four-plant Vardnili hydropower cascade on the Enguri River, including upgrading the 125-MW Vardnili 1 project to 210 MW.

Engurhesi Ltd., operator of Vardnili cascade and the 1,250-MW Enguri hydroelectric project upstream, is expected to implement the estimated 50 million euro (US$77.6 million) project with funding from the European Bank for Reconstruction and Development (EBRD), the European Investment Bank, and the Georgia government.

Work is to include safety work at Vardnili Dam and its upstream Gali Reservoir to meet international dam safety standards. Critical canal dredging and cleaning downstream from Vardnili 1 also is planned to mitigate local flooding.

Upgrade of Vardnili 1 to 210 MW from 125 MW includes electro-mechanical works and the substation. Hydro-mechanical and preparatory work also is planned for the Vardnili 2, 3, and 4 plants of 40 MW each.

Objectives of the work include safe operation and increase in generating capacity of the cascade, and increased power production at Enguri by removing the bottleneck effect Vardnili creates on the tailwaters of Enguri. Enguri could then provide up to 50 percent of Georgia’s electricity needs if operating at full capacity, EBRD said. (HNN 12/7/07)

Tendering for goods, works, and services is expected to begin in August 2008 and run through August 2009.

Prospective suppliers, contractors, and consultants are invited to contact the address below. For information, contact Project Manager Malkhaz Tskvitishvili, Enguri HPP Rehabilitation Project; (995) 32-204010; Fax: (995) 32-292137; E-mail:

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