Arzni
Arzni hydroelectric overview.
Arzni is a rock-cut hydroelectric station on the right bank of the Hrazdan River in Armenia. Operating since 1956, it forms the fourth stage of the Sevan–Hrazdan cascade and uses a system of open canals and diversion tunnels supplied from the Argel reservoir.In OperationArmenia
At a Glance
Capacity
70.6 MWOwner
International Energy Corporation CJSCOperator
Data coming soonCountry
ArmeniaLocation
40.297°, 44.587°Website
Official project pageOwnership
1 record| Share | Organisation | Role | Details | Period |
|---|---|---|---|---|
| Unknown |  | Owner Operator | International Energy Corporation owns and operates Arzni as part of its Sevan–Hrazdan hydroelectric cascade. | Current / not dated |
Organisations
6 recordsOrganisations recorded as working on this asset or its project, and their role.
| Organisation | Role | Details |
|---|---|---|
| Pressure-basin valve repair contractorOperations Maintenance | The operator’s signed-contract register records a 24 March 2026 agreement with Energanorogum for repair of the deep valve of Arzni’s pressure basin. | |
| Cascade condition assessmentTechnical Advisory | The operator contracted Fichtner in September 2020 to assess the condition of all seven cascade stations. The resulting investment assessment includes Arzni. | |
| Hydroelectric owner and operatorOwner Operator | International Energy Corporation owns and operates the Sevan–Hrazdan cascade, including Arzni, following the 2003 transfer of cascade assets. Arzni operates throughout the year. | |
International Energy Corporation CJSC | Operator | Not set |
| Cascade investment and water-use advisoryTechnical Advisory | The operator records a February 2021 agreement with IFC for further study of the cascade investment programme, water-loss reduction and tariff methodology. | |
| Historical cascade investment commitmentFinance Insurance Legal | The operator’s investment-programme account records a Tashir Group commitment to finance a substantial part of the cascade’s refurbishment programme, including proposed transformer replacements at Arzni. |
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 procurement announcements and annual purchasing plans. Participation follows the instructions and qualification requirements of each published procedure.
Operator-wide procurement announcements, plans and procedures for the Sevan–Hrazdan cascade, including Arzni; there is no separate Arzni supplier register.
SourceChecked 29 Oct 2026