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Karun 4 Dam and Hydroelectric Plant

Dam and hydroelectric scheme, 2,279 million m3 reservoir (827 million m3 live); four vertical Francis units of 250 MW; 2,107 GWh/year in Iran.

Operational

The record

Country
Iran
Location
Lordegan
Coordinates
31.600, 50.471
Technology
Dam and hydroelectric scheme
Capacity
2,279 million m3 reservoir (827 million m3 live); four vertical Francis units of 250 MW; 2,107 GWh/year
Capital cost
—
Stage
Operational
Owner or client
Iran Water and Power Resources Development Company
Contractor
Farab (EPC excluding engineering and procurement of turbine, generator and governor); Voith Siemens turbines and Alstom generators
Operator
Iran Water and Power Resources Development Company
Finance
Government of Iran
Award or start year
—
Commissioned
—

Record last checked 2026-09-18.

History

No dated milestones recorded yet. They are added as each is confirmed against a public announcement.

Sources

6 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. Iran Water and Power Resources Development Company (IWPCO), project page. iwpco.ir.
  2. (in Persian).
  3. Double-arch concrete dam 230.5 m high from foundation with a crest length of 440 m and 1.66 million m3 of concrete, at the confluence of the Armand and Bazoft rivers in Chaharmahal and Bakhtiari, 180 km south-west of Shahrekord; total reservoir 2,279 million m3 with 827.25 million m3 live over 32 km2; installed capacity 1,000 MW in four vertical Francis units with four synchronous generators of 263 MVA; annual energy 2,107 GWh; turbines by Voith Siemens and generators by Alstom; initial studies by Harza International in 1967 and later phases by Mahan Consulting Engineers.
  4. The page gives no construction start, commissioning date or cost.
  5. Farab, Karun 4 hydro power plant. farab.com.
  6. 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.

Client Iran Water and Power Resources Development Co.; 4 x 250 MW vertical Francis at 187.5 rpm; surface powerhouse; 400 kV SF6 switchyard; average annual generation 2,107 GWh; status completed.