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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.

    ContractsSolar Energy Installation Project
    Awarded contract

    Solar Energy Installation Project

    Awarded
    BGN 4.3m
    Published 1 Jul 2025

    This contract involves the design, supply, installation, commissioning, insurance, and warranty maintenance of photovoltaic systems for self-consumption. The project aims to enhance the use of solar energy, contributing to environmental sustainability. Suppliers are invited to provide comprehensive

    🇧🇬BulgariaPublished 1 Jul 2025· 1 years agoviaTED
    Awarded
    BGN 4.3m
    Published 1 Jul 2025

    Decision brief

    4 fields
    • Contract value
      BGN 4,306,192
      BGN
    • Closing date
      Rolling
      No closing date published
    • Sector
      Energy & Utilities
      Browse related listings
    • Location
      🇧🇬Bulgaria

    Suppliers

    5 suppliers
    • VE
      VIKSO EOOD
      Lead contractor
  1. OS
    ORION SOLAR ENERGY EOOD
    Consortium partner
  2. VE
    VOLTRAN EOOD
    Consortium partner
  3. CE
    CENTRAL ENERGY REPAIR BASE EAD
    Consortium partner
  4. PO
    POLIfields OOD
    Consortium partner
  5. Lifecycle

    Awarded

    Contract awarded. Originally published 1 years ago.

    1 July 2025
    Awarded — no open tender advertised

    Brief

    This contract involves the design, supply, installation, commissioning, insurance, and warranty maintenance of photovoltaic systems for self-consumption. The project aims to enhance the use of solar energy, contributing to environmental sustainability. Suppliers are invited to provide comprehensive services that include all aspects of the photovoltaic system lifecycle, ensuring efficient and reliable energy production for the municipality.

    Track record

    2 awards · 2 winners
    Thin record

    Only 2 prior awards here — too little to read.

    In energy utilities, Sofia Municipality has awarded 2 contracts to 2 suppliers.

    Who wins here
    1. VIKSO EOOD1× · 50%
    2. ECO BULGARIA EAD1× · 50%

    Across energy utilities, the most active winners are Prague Gas Company, a.s., PRAGUE GAS WORKS INC, HEP-Opskrba d.o.o. — the field to beat, or your route in as a partner.

    More from Sofia Municipality

    4 listingsView all →
    Construction🇧🇬Bulgaria

    Construction of Eastern Tangent Boulevard in Bulgaria

    This project involves the construction of the Eastern Tangent Boulevard, specifically the section from the Northern Speed Tangent interchange to Vladimir Vazov Boulevard, covering a distance of 500 meters. The second phase, extending from Vladimir Vazov Boulevard to Botevgradsko Shose Boulevard, wil

    est.€5,557,904Sofia Municipality
    Published 23 Feb 2026
    AwardedIT & Software🇧🇬Bulgaria

    Supply of Veeam Software Licenses

    This contract involves the delivery of 30 subscription licenses for Veeam Data Platform Advanced Universal, which includes features of the Enterprise Plus Edition. The contract stipulates a one-year renewal subscription and full 24/7 technical support (Production Support) for a 10-instance pack. Sup

    €37,427Sofia Municipality
    Published 23 Feb 2026
    Social Care🇧🇬Bulgaria

    Procurement of Furniture and Equipment for Elderly Care Facilities

    This contract involves the delivery and installation of furniture and equipment for four projects under the Recovery and Resilience Mechanism in Sofia, Bulgaria. The projects aim to reform existing elderly care homes as part of the National Recovery and Resilience Plan. The procurement is divided in

    est.€1,813,548Sofia Municipality
    Published 22 Feb 2026
    Transport & Logistics🇧🇬Bulgaria

    Electric Minibus Procurement

    The City of Sofia is seeking suppliers for the delivery of one new electric passenger minibus with 8+1 seating capacity. This procurement is part of project proposal No. BG-RRP-13.009-0226, which aims to install photovoltaic systems in five existing social services and to purchase an electric vehicl

    est.€42,437Sofia Municipality
    Published 10 Feb 2026

    Open in Energy & Utilities

    4 open listingsView all →
    OpenEnergy & Utilities🇬🇧United Kingdom

    Energy Management and Utility Solutions Dynamic Market

    University of Essex seeks supplier input for a Dynamic Market framework enabling flexible procurement of energy management, utilities, net zero solutions, and infrastructure services across the UK.

    UNIVERSITY OF ESSEX
    Published 14 Aug 2026
    Energy & Utilities🇬🇧United Kingdom

    Gas Supply Contract for Quantum Multi Academy Trust

    Quantum Multi Academy Trust is tendering for gas supply services and management for its academy network.

    Quantum Multi Academy Trust
    Published 14 Aug 2026
    Energy & Utilities🇬🇧United Kingdom

    Electricity Supply and Management Services Tender

    Quantum Multi Academy Trust is tendering for electricity supply and management services on a half-hourly metered basis.

    Quantum Multi Academy Trust
    Published 14 Aug 2026
    OpenEnergy & Utilities🇬🇧United Kingdom

    Gas Maintenance Contractor Services for Welwyn Hatfield Borough Council Properties

    Welwyn Hatfield Borough Council seeks two gas maintenance contractors to serve approximately 9,500 properties split across North and South geographical lots.

    est.£30,000,000WELWYN HATFIELD BOROUGH COUNCIL
    Published 14 Aug 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
    428228-2025
    SM
    Buyer
    Sofia Municipality
    Sector
    Energy & Utilities