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Ilısu Dam and Hydroelectric Plant

Dam and hydroelectric scheme, 10.6 km3 reservoir; 1,208.6 MW installed; 4,120 GWh/year in Turkey.

Operational

The record

Country
Turkey
Location
Dargeçit, Mardin
Coordinates
37.532, 41.846
Technology
Dam and hydroelectric scheme
Capacity
10.6 km3 reservoir; 1,208.6 MW installed; 4,120 GWh/year
Capital cost
—
Stage
Operational
Owner or client
General Directorate of State Hydraulic Works (DSI)
Contractor
IC Ilisu consortium: Nurol Insaat and Cengiz Insaat (civil), Celikler Insaat, Andritz Hydro (electromechanical)
Operator
Elektrik Uretim A.S. (EUAS)
Finance
—
Award or start year
2008
Commissioned
2020-12

Record last checked 2026-09-18.

History

Sources

9 references

Every field in the record above is taken from the references below. A field that none of them confirms prints as a dash.

  1. EUAS, Ilisu HEPP plant page. euas.gov.tr.
  2. Gives 1,208.6 MW (6 x 200.7 MW plus a 4.4 MW auxiliary unit), 10.6 billion m3 at maximum level 525 m, 313 km2 lake, concrete faced rockfill body 134 m high and 2,230 m long, 4,120 GWh/year, Mardin province 17 km east of Dargecit.
  3. ANDRITZ, Hydro News 33, Building a sustainable livelihood (Ilisu). andritz.com.
  4. Order received 2008, six 204 MW Francis units, dry commissioning June 2019, impounding from July 2019. Gruner AG project page, Ilisu dam and hydropower project. gruner.ch.
  5. Names the consortium (Nurol and Cengiz civil, Andritz Hydro, Stucky and Temelsu engineering) and Gruner as civil design group leader.
  6. Hydropower and Dams International, Turkey commissions first turbine at Ilisu dam. hydropower-dams.com.
  7. First unit on 19 May 2020. Daily Sabah, Turkey's Ilisu Dam on Tigris starts generating energy at full capacity, 24 December 2020. dailysabah.com.
  8. NS Energy project profile (bot-walled to curl, returns 403). nsenergybusiness.com.
  9. MENA Water Review major projects register and PPP pipeline — compiled from procurer publications, development-bank project pages and trade reporting; each record names its source.

puts total expenditure at 1.2 billion euros.