HELLENIC ELECTRICITY DISTRIBUTION NETWORK OPERATOR S.A.
MATERIALS, PURCHASING & TRANSPORTATION DEPARTMENT
98-100,Syggrou Ave., 117 41 Athens 

The Distribution Materials, Procurement and Transportation Department announces the following Open Tenders for the procurement of materials and services: 
Tenders of an estimated contract value of more than € 60,000.00 having a publication date after March 12, 2018 are conducted by cosmoONE’s eProcurement Application & Electronic Auction Systems using the sourceONE platform. 

Economic operators wishing to participate should: 
• obtain passwords in the "cosmoONE" systems at the link http://www.cosmo-one.gr/register/  
• connect to the "cosmoONE" systems through the link https://www.marketsite.gr/  

For registration and bidding process, Economic Operators are technically supported free of charge by cosmoONE’s Customer Support Service, available from Monday to Friday (9:00 - 17:00) at 210 2723360 - 801 11 15500 and or by email: support@cosmo-one.gr 

ATTENTION
• The bids elements or terms are likely to be changed with the publication of Inquiries Supplements.



BIDS NUMBER PUBLIC. DATE BID OFFERS SUBMISSION DATE REMARKS ISSUES
514524 19/05/2025 Supply of Climbing Shoes on wooden poles (514524) 10/07/2025
till15:00
MODIFICATION
507506 16/05/2025 METALCLAD SWITCHGEAR PANELS AND SPARE PARTS (507506) 31/07/2025
till12:00
MODIFICATION
502507 15/05/2025 SINGLE POLE SHUNT FOR INSULATED LV BUNDLE CONDUCTORS 50 mm2 CROSS-SECTION (502507) 17/07/2025
till10:00
MODIFICATION
5124181 16/04/2025 Supply, Installation and Maintenance of Remote Electronic Security Systems using Video Analysis & AI Analytics Technologies in 56 Distribution Centers of HEDNO (5124181) 19/05/2025
till15:00
514523 14/04/2025 PROCUREMENT OF THERMAL WORKWEAR (TYPE A & B), SWEATSHIRTS, UNIFORM SHIRTS (TYPE A & B), AND LONG-SLEEVE POLO SHIRTS (TYPE A & B) (514523) 10/06/2025
till15:00
MODIFICATION
514521 11/04/2025 Supply of Work Uniforms B (514521) 10/06/2025
till15:00
MODIFICATION
514522 11/04/2025 Supply of Work Uniform A and B Weather Protection Jackets (514522) 10/06/2025
till15:00
MODIFICATION
514520 11/04/2025 Procurement of Work Uniforms A (514520) 10/06/2025
till15:00
MODIFICATION
505502 01/04/2025 Pin composite insulators of enhanced insulation (505502) 15/07/2025
till10:00
MODIFICATION
512537 18/03/2025 Provision of Services for the Field Data Collection and Digitization - Registration of Geographical and Descriptive Data of the Islands Region Department’s Medium Voltage (MV) and Low Voltage (LV) Network in the GIS of HEDNO(512537) 14/04/2025
till15:00
MODIFICATION
5124163 18/02/2025 Design, supply, installation, testing and commissioning of three turnkey OPS/Cold Ironing shore power systems for passenger/cargo ships at the Port of Igoumenitsa (5124163) 30/05/2025
till15:00
MODIFICATION
508501 11/02/2025 INHIBITED TRANSFORMER OIL (508501) 17/03/2025
till12:00
502501 24/01/2025 Flexible Suspension Tape for Concentric Cable Type I (heavy) and II (medium) (502501) 11/02/2025
till10:00
507404 12/12/2024 Modular Panels with External Metal Enclosure for Distribution Substations and for MV Customers, with RTU (507404) 23/06/2025
till12:00
MODIFICATION
508402 15/11/2024 SOUNDPROOF RUBBER MOUNTINGS FOR DISTRIBUTION TRANSFORMERS (508402) 03/02/2025
till12:00
MODIFICATION
502408 08/11/2024 PORTABLE MV & LV CABLE FAULT LOCATOR AND PORTABLE CABLE FAULT LOCATOR FOR MV & LV UNDERGROUND POWER CABLES (502408) 11/12/2024
till10:00
503406 30/10/2024 METAL OXIDE SURGE ARRESTERS 10KA, WITHOUT GAPS, WITH COMPOSITE HOUSING, FOR 20 KV DISTRIBUTION NETWORKS, CLASS DH & SURGE ARRESTER’S STEEL MOUNTING ASSEMBLY (503406) 21/02/2025
till10:00
MODIFICATION
515432 04/09/2024 Supply of 24 trucks (515432) 04/10/2024
till15:00
503405 08/08/2024 FULLY ASSEMBLED PANELS WITH REMOTE-CONTROLLED AUTOMATIC POWER SUPPLY SWITCHES HEDNO NO. 5 & 6, CONNECTION TO THE LOW VOLTAGE NETWORK VIA CURRENT TRANSFORMERS (503405) 05/09/2024
till10:00
501402 05/08/2024 Monthly Electricity Meter Readings (501402) 13/08/2024
till10:00
515412 26/03/2024 Supply of six (6) specified vehicles. (515412) 22/01/2025
till15:00
MODIFICATION
503309 07/11/2023 ELECTRONIC MEDIUM VOLTAGE METERS & COMMUNICATION UNIT (MODEM) FOR ELECTRONIC MEDIUM VOLTAGE METERS (503309) 11/01/2024
till10:00
MODIFICATION
512590 29/05/2025 Lease, Transportation and Installation of Electrical Generating Pairs with Capacity of 8MW (512590) 26/06/2025
till15:00
512558 30/05/2025 Supply of Process Modeling tool Licenses (512558) 26/06/2025
till15:00
514506 30/05/2025 Provision of specialized support services to the Islands Management Directorate (IMD) (514506) 30/06/2025
till15:00
512594 03/06/2025 Supply of Safety and Sun Protection Glasses (512594) 18/06/2025
till15:00
512563 03/06/2025 Provision of services for the preparation of preparatory studies for the installation of an Optical Fiber Network in Municipalities under the jurisdiction of the Regional Directorates of Central Greece,Peloponnese-Epirus,Macedonia-Thrace & Islands(512563) 19/06/2025
till15:00
515519 17/06/2025 long term lease of forty three (43) vehicles (515519) 17/07/2025
till15:00
515522 25/06/2025 long term lease of one (1) electric tractor (515522) 25/07/2025
till15:00