Taleqan Dam and Hydroelectric Plant
Dam and hydroelectric scheme, 17.8 MW in two vertical Francis units of 8.9 MW and about 61 GWh/year; intake of 30 m3/s to the Ziaran transfer tunnel; dam 149 m high from foundation and 109 m from the river bed with a 1,111 m crest; spillway 2,040 m3/s in Iran.
Operational
The record
- Country
- Iran
- Location
- Taleqan
- Coordinates
- 36.189, 50.635
- Technology
- Dam and hydroelectric scheme
- Capacity
- 17.8 MW in two vertical Francis units of 8.9 MW and about 61 GWh/year; intake of 30 m3/s to the Ziaran transfer tunnel; dam 149 m high from foundation and 109 m from the river bed with a 1,111 m crest; spillway 2,040 m3/s
- Capital cost
- —
- Stage
- Operational
- Owner or client
- Tehran Regional Water Company
- Contractor
- —
- Operator
- Tehran Regional Water Company
- Finance
- Government of Iran
- Award or start year
- 2002
- Commissioned
- 2006
Record last checked 2026-09-20.
History
- 1969
transfer of Taleqan water to the Qazvin plain begins with the Sangban diversion dam, a 9 km tunnel to Ziaran, the Ziaran diversion dam and the Qazvin plain canals (Iranian year 1348)
- 2002-03
construction of the storage dam begins (Farvardin 1381)
- 2006
the dam enters service after four years of construction (1385)
Sources
5 references
Every field in the record above is taken from the references below. A field that none of them confirms prints as a dash.
- Tehran Regional Water Company, Taleqan dam operations office (static page, Persian). thrw.ir.
- Gives the history of the Qazvin plain transfer works and of the storage dam, the site on the Taleqan river at Roshanabdar village 135 km north-west of Tehran between 50 degrees 37 minutes and 51 degrees 10 minutes east and 36 degrees 5 minutes and 36 degrees 25 minutes north, the four purposes of Qazvin plain irrigation, Tehran and Karaj drinking water, artificial recharge of the Qazvin plain and seasonal flood control, the power plant built beneath the reservoir to control pressure into the Ziaran transfer tunnel at a design capacity of 17.8 MW and an average 61 GWh/year, and the dimensions: crest 1,111 m long and 12 m wide, 638 m wide at the river bed, 109 m high from the river bed and 149 m from foundation, one outlet gate of 244.5 m3/s, a free side-channel spillway of 2,040 m3/s, an intake of 30 m3/s and a design life of 50 years.
- No reservoir volume is published on the page.
- Tehran Regional Water Company, hydroelectric power plants (static page, Persian). thrw.ir.
- 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.
Gives Taleqan as two vertical Francis units of 8.9 MW with average annual generation of 61 GWh.