Seymareh Dam
Seymareh Dam (سد سیمره), also known as Seimare Dam, is a concrete double-arch dam. IWPCO identifies the asset as the Seymareh Project. The dam is reported to be 180 metres high with a 202-metre crest. The structure is primarily located in Badreh County, Ilam Province, while the asset is also associated with Darreh Shahr and the Lorestan border area.
Strategic and market-access role
Seymareh Dam matters in the Hormuz Graph as a major western Iran water and hydropower asset tied to Ilam’s Seymareh basin, where river regulation intersects with electricity generation, agriculture, flood control, and downstream environmental stress. Its role is distinct from Khuzestan’s large lowland dams because it sits in a less industrial but strategically sensitive western province close to Iraq-facing corridors and rural production zones. The asset connects hydropower context, water allocation, provincial resilience, agricultural demand, and infrastructure risk in an area where energy and water conditions affect both local development and border-region stability. Supports electricity generation through its hydropower plant and provides large-scale reservoir storage.
Operations, capacity & connectivity
Related use cases
Useful for hydropower context analysis, water-risk assessment, agricultural resilience review, public-project monitoring, environmental-risk screening, and provincial infrastructure mapping in Ilam and western Iran. Analysts can use it to evaluate how upstream reservoir management affects rural demand, downstream flows, road-access districts, and local service needs. Practical checks should verify reservoir conditions, generation status, drought exposure, environmental impacts, maintenance requirements, and public-sector procurement pathways.
Capacity and service area
Capacity: 480 MW installed hydropower capacity (three 160 MW units); average annual generation reported at 844 GWh/year. Reservoir capacity: 3.2 billion m³. Service area: Associated with Badreh and Darreh Shahr and with Ilam and Lorestan provinces.
Industries served
Hydropower; water storage and management.
Ownership, operation & expansion
Owner and operator
Owner: Iran Water and Power Resources Development Company (IWPCO) Operator: Iran Water and Power Resources Development Company (IWPCO)
Opening or commissioning
2013 (first generator commissioning reported)
Connected Intelligence
Relevant geography, industry, market and execution context for this profile.
Frequently asked questions
Direct answers to the questions most likely to arise when reviewing this profile.
Who operates Seymareh Dam?
The evidence identifies Iran Water and Power Resources Development Company (IWPCO) as the owner and operator.
What is the installed capacity of Seymareh Dam’s hydropower plant?
Installed hydropower capacity is reported as 480 MW, comprising three 160 MW units.
Where is Seymareh Dam located?
The dam is primarily located in Badreh County in Ilam Province and is associated with Darreh Shahr and the border area with Lorestan Province.
When was Seymareh Dam commissioned?
Secondary sources report that the first generator was commissioned in 2013. The supplied evidence does not independently confirm its current operating status.