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BidSonar is an independent index of public-sector opportunities. We aggregate data from official sources and are not affiliated with any procurement body. Data is licensed under the Open Government Licence v3.0 and the EU TED reuse notice.

    ContractsConstruction and Installation of Electrical Systems in Bulgaria
    Awarded contract

    Construction and Installation of Electrical Systems in Bulgaria

    Awarded
    BGN 21.3k
    Published 1 Jun 2025

    This contract involves construction work that includes relocating transformers for internal needs, as well as the delivery, dismantling, and installation of current measuring transformers for the substation "Dolni Dabnik." The total value of the contract is approximately €21,300.42. Suppliers are in

    🇧🇬BulgariaPublished 1 Jun 2025· 1 years agoviaTED
    Awarded
    BGN 21.3k
    Published 1 Jun 2025

    Decision brief

    4 fields
    • Contract value
      BGN 21,300
      BGN
    • Closing date
      Not published
      No closing date published
    • Sector
      Construction
      Browse related listings
    • Location
      🇧🇬Bulgaria

    Suppliers

    1 supplier
    • EE
      ESO ENGINEERING EOOD
    Lead contractor

    Lifecycle

    Awarded

    Contract awarded. Originally published 1 years ago.

    1 June 2025
    Awarded — no open tender advertised

    Brief

    This contract involves construction work that includes relocating transformers for internal needs, as well as the delivery, dismantling, and installation of current measuring transformers for the substation "Dolni Dabnik." The total value of the contract is approximately €21,300.42. Suppliers are invited to participate in this opportunity to provide the necessary goods and services.

    Track record

    5 awards · 4 winners
    Open field

    No single supplier dominates the field.

    In construction, ELECTRICITY SYSTEM OPERATOR EAD has awarded 5 contracts to 4 suppliers.

    Who wins here
    1. ESO ENGINEERING EOOD2× · 40%
    2. EMU AD1× · 20%
    3. ИМПULС КО ООД1× · 20%
    4. SOCIETY FOR ZZD 20211× · 20%

    Across construction, the most active winners are HOLCIM UK LIMITED, TARMAC TRADING LIMITED, LINDUM GROUP LIMITED — the field to beat, or your route in as a partner.

    More from ELECTRICITY SYSTEM OPERATOR EAD

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    Published 8 Dec 2025
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    Supply of Voltage Measuring Transformers

    This contract involves the procurement of approximately 2,970 voltage measuring transformers for medium voltage applications. The breakdown of the required transformers is as follows: 30 units of 7.2 kV transformers for indoor installation, with a transformation ratio of 6000/√3:100/√3:100/√3:100/3

    est.€995,485ELECTRICITY SYSTEM OPERATOR EAD
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    This contract involves the execution of author supervision and, if necessary, the execution of geodetic surveys and the preparation of executive documentation for the project "Construction of a sewer system for the "Septemvriitsi" 110/20 kV substation." The project aims to ensure proper infrastructu

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    Open in Construction

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    Beighton Community Hub - Mental Health Centre Refurbishment

    Early market engagement for Principal Contractors interested in a health centre refurbishment project to create a Neighbourhood Mental Health Centre, with funding decision expected October 2026.

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    CCTV System Upgrade - Middlesex Street Estate

    The City of London Corporation invites preliminary market engagement from contractors for the upgrade of CCTV systems at Middlesex Street Estate, including camera replacement and installation with Building Safety Regulator compliance requirements.

    £460,000indicativeTHE MAYOR AND COMMONALTY AND CITIZENS OF THE CITY OF LONDON
    Published 15 Oct 2026
    Take action
    View on sourceTED

    Award notice and full record on the publisher's site

    Publisher
    Publications Office of the European Union
    Licence
    EU 2011/833/EU + TED reuse notice
    Source
    ted.europa.eu
    Record ID
    350976-2025

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    Buyer
    ELECTRICITY SYSTEM OPERATOR EAD
    Sector
    Construction