Tender Announcements – Public Procurement

Subject: Modernization of the trash rack cleaning system at the intake structure of Tolors Reservoir-chang.

Reference number 2025-24

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 17:00 at 05.12.2025

Date & Time for opening 17:00 at 05.12.2025

Subject: Design, installation and commissioning of additional mechanical overspeed protection for the Shamb HPP”

Reference number 2025-22

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 17:00 at 12.12.2025

Date & Time for opening 17:00 at 12.12.2025

Subject: Modernization of the trash rack cleaning system at the intake structure of Tolors Reservoir․

Reference number 2025-21

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 17:00 at 28.11.2025

Date & Time for opening 17:00 at 28.11.2025

Subject: Supply of Bearing pads segments for Shamb and Spandaryna HPPs chang.

Reference number 2025-20

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 17:00 at 04.11.2025

Date & Time for opening 17:00 at 04.11.2025

Subject: Supply of Thrust bearing cooler for Shamb and Spandaryna HPPs

Reference number 2025-19

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 17:00 at 12.11.2025

Date & Time for opening 17:00 at 12.11.2025

Subject: Supply and installation of Line switchgears for Spandaryan and Shamb HPPs-chang.

Reference number 2025-18

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 17:00 at 22.10.2025

Date & Time for opening 17:00 at 22.10.2025

Subject: Supply of Bearing pads segments for Shamb and Spandaryna HPPs

Reference number 2025-17

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 17:00 at 21.10.2025

Date & Time for opening 17:00 at 21.10.2025

Subject: Supply and installation of Line switchgears for Spandaryan and Shamb HPPs

Reference number 2025-16

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 17:00 at 07.10.2025

Date & Time for opening 17:00 at 07.10.2025

Subject: Purchase of computer equipment

Reference number 2025-15

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 16:00 at 26.08.2025

Date & Time for opening 16:00 at 26.08.2025

Subject: Acquisition of a deep well submersible pump for Spandaryan HPP

Reference number 2025-14

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 16:00 at 09.07.2025

Date & Time for opening 16:00 at 09.07.2025

Subject: Design, manufacture, supply, installation and commissioning of two new 80MVA -110 / 10.5 kV power transformers for Tatev HPP (chang.)

Reference number 2025-13

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 17:00 at 17.06.2025

Date & Time for opening 17:00 at 17.06.2025

Subject: Preparation of design and cost estimate for lightning protectors in HPPs and reservoirs

Reference number 2025-12

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 16:00 at 17.06.2025

Date & Time for opening 16:00 at 17.06.2025

Subject: Printer MFP, delivery and installation

Reference number 2025-11

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 16:00 at 09.06.2025

Date & Time for opening 16:00 at 09.06.2025

Subject: Design, manufacture, supply, installation and commissioning of two new 80MVA -110 / 10.5 kV power transformers for Tatev HPP(chang.)

Reference number 2025-10

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 10:00 at 22.05.2025

Date & Time for opening 10:00 at 22.05.2025

Subject: Acquisition of a deep well submersible pump for Spandaryan HPP

Reference number 2025-09

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 16:00 at 29.05.2025

Date & Time for opening 16:00 at 29.05.2025

Subject: Preparation of design and cost estimate documentation for the major repair of the spillways of the embankment dam of Shamb and Spandaryan reservoirs

Reference number 2025-08

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 16:00 at 03.06.2025

Date & Time for opening 16:00 at 03.06.2025

Subject: Network equipment purchase

Reference number 2025-07

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 16:00 at 22.05.2025

Date & Time for opening 16:00 at 22.05.2025

Subject: Supply of Partial Discharge Measurement Device for ContourGlobal Hydro Cascade CJSC.

Reference number 2025-06

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 17:00 at 28.05.2025

Date & Time for opening 17:00 at 28.05.2025

Subject: Procurement of a 50-bar air pressure compressor.

Reference number 2025-04

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 16:00 at 08.05.2025

Date & Time for opening 16:00 at 08.05.2025

Subject: Design, manufacture, supply, installation and commissioning of two new 80MVA -110 / 10.5 kV power transformers for Tatev HPP

Reference number 2025-05

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 17:00 at 30.05.2025

Date & Time for opening 17:00 at 30.05.2025

Subject: Study of ball valves of Tatev, Shamb and Spandaryan HPPs

Reference number 2025-02

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 17:00 at 19.03.2025

Date & Time for opening 17:00 at 19.03.2025

Subject: Design and cost estimate for the Rehabilitation of the Cleaning System of the Tolors Reservoir Grating

Reference number 2025-01

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 16:00 at 06.03.2025

Date & Time for opening 16:00 at 06.03.2025

Subject: Preparation of Design and cost estimate of fish protection measures in Spandaryan, Tolors & Shamb reservoirs, chang.

Reference number 2024-27

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 17:00 at 12.08.2024

Date & Time for opening 17:00 at 12.08.2024

Subject: Preparation of Design and cost estimate of fish protection measures in Spandaryan, Tolors & Shamb reservoirs, chang.

Reference number 2024-26

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 17:00 at 05.08.2024

Date & Time for opening 17:00 at 05.08.2024

Subject: Preparation of Design and cost estimate of fish protection measures in Spandaryan, Tolors & Shamb reservoirs

Reference number 2024-22

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 17:00 at 15.07.2024

Date & Time for opening 17:00 at 15.07.2024

Subject: Reconstruction works of the roofs of the stoplog gate and machine hall of Shamb HPP chang.

Reference number 2024-20

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 11:00 at 14.06.2024

Date & Time for opening 11:00 at 14.06.2024

Subject: Reconstruction works of the floors of the ball valve halls of Shamb and Tatev HPPs, as well as treatment and painting of the turbine pipeline section”

Reference number 2024-18

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 17:00 at 24.06.2024

Date & Time for opening 17:00 at 24.06.2024

Subject: Overhaul of power transformers N 1 and N 2 of ТМ-80000 / 110 kVA type in Tatev HPP

Reference number 2024-17

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 17:00 at 28.11.2025

Date & Time for opening 17:00 at 28.11.2025

Subject: Purchase of Network equipment

Reference number 2024-15

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 17:00 at 29.05.2024

Date & Time for opening 17:00 at 29.05.2024

Subject: Supply for the Portable eyewash station combined with emergency shower

Reference number 2024-16

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 17:00 at 30.05.2024

Date & Time for opening 17:00 at 30.05.2024

Subject: Reconstruction works of the roofs of the stoplog gate and machine hall of Shamb HPP

Reference number 2024-13

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 17:00 at 07.06.2024

Date & Time for opening 17:00 at 07.06.2024

Subject: Supply and installation of rectifiers and DC distribution panel for Spandaryan HPP change

Reference number 2024-14

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 17:00 at 27.05.2024

Date & Time for opening 17:00 at 27.05.2024

Subject: Overhaul of power transformers N 1 and N 2 of ТМ-80000 / 110 kVA type in Tatev HPP

Reference number 2024-12

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 17:00 at 27.05.2024

Date & Time for opening 17:00 at 27.05.2024

Subject: “Supply and installation of rectifiers and DC distribution panel for Spandaryan HPP”

Reference number 2024-10

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 17:00 at 17.05.2024

Date & Time for opening 17:00 at 17.05.2024

Subject: Supply and installation of 13.8 kV Generator disconnector for Shamb HPP

Reference number 2024-11

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 17:00 at 31.05.2024

Date & Time for opening 17:00 at 31.05.2024

Subject: Preparation of Design and cost estimate of fish protection measures in Spandaryan, Tolors & Shamb reservoirs

Reference number 2024-03

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 17:00 at 27.02.2024

Date & Time for opening 17:00 at 27.02.2024

Subject: "Supply and installation of automatic opening/closing mechanisms on the entrance gates of Spandaryan, Angeghakot, Tolors, Tatev reservoirs and DRR"

Reference number 2024-02

Tender announcement Negotiated procedure with prior call for competition

Status Open

Deadline for Submission of Application or Offer for Participation 16:00 at 19.02.2024

Date & Time for opening 16:00 at 19.02.2024