Argel
Argel hydroelectric overview.
Argel, formerly Gyumush, is the third stage of Armenia’s Sevan–Hrazdan hydroelectric cascade. Operating since 1953, the station uses water carried through diversion canals and tunnels on the left bank of the Hrazdan River. Its daily regulation basin supports peak-load generation and emergency operation.In OperationArmenia
At a Glance
Capacity
224 MWOwner
International Energy Corporation CJSCOperator
Data coming soonCountry
ArmeniaLocation
40.379°, 44.607°Website
Official project pageOwnership
1 record| Share | Organisation | Role | Details | Period |
|---|---|---|---|---|
| Unknown |  | Owner Operator | The Sevan–Hrazdan cascade’s property, including Argel, was transferred to International Energy Corporation under the sale and purchase agreement of 17 July 2003. | From Jul 2003 |
Organisations
8 recordsOrganisations recorded as working on this asset or its project, and their role.
| Organisation | Role | Details |
|---|---|---|
| Hydro unit and auxiliary equipment repair contractsOperations And Maintenance | The operator’s 2024 archive records Energanorogum contracts for Argel unit 1 auxiliary equipment and unit 3 ball-valve parts, followed by crane and transformer fire-protection work. | |
| Cascade condition assessment including ArgelEngineering And Technical | International Energy Corporation commissioned Fichtner in September 2020 to assess the Sevan–Hrazdan cascade. Its account specifically identifies Argel among the stations requiring investment. | |
| Hydroelectric owner and operatorOwner Operator | International Energy Corporation owns and operates the Sevan–Hrazdan cascade, including the 224 MW Argel station. | |
International Energy Corporation CJSC | Operator | Not set |
| Cascade investment and water-efficiency studyTechnical Advisory | The operator reports a February 2021 agreement with IFC for further investment analysis, water-loss reduction and tariff-methodology work for the cascade, including Argel. | |
| Pressure-pipeline and building repair contractsOperations And Maintenance | The operator records T-CONSTRUCTION’s Argel pressure-pipeline and cable-bridge repairs in 2024, followed by pressure-pipeline corrosion protection and machine-hall roof repair contracts in May 2026. | |
| Unit 4 protection-system replacement contractSubstation Electrical | The operator’s archive records the 18 June 2024 contract with T-ELECTRO for supply, installation, testing and commissioning of the replacement protection system for Argel unit 4. | |
| Cascade investment programme funding commitmentFunding And Programme | The operator identifies Tashir Group as committing to finance a significant part of its cascade investment programme, which includes replacement of Argel’s principal power transformers. |
Supplier registration
Developer supplier portalHow suppliers get onto this project's radar: its standing register, supplier portal or contact route.
Suppliers can consult the operator’s published procurement announcements and procedures. Participation follows the requirements and submission arrangements for each competition.
Operator-wide procurement announcements and procedures for the Sevan–Hrazdan cascade, including Argel.
SourceChecked 29 Oct 2026