Tenders/Execution of complex activities for restoration of operational condition, modification of existing status and/or construction of new elements of the technical infrastructure in substations and/or construction of new substations/junction stations, part of the electricity transmission network

Execution of complex activities for restoration of operational condition, modification of existing status and/or construction of new elements of the technical infrastructure in substations and/or construction of new substations/junction stations, part of the electricity transmission network

Auto-translated from bg
Original title: Изпълнение на комплексни дейности по възстановяване експлоатационното състояние, промяна на съществуващото положение и/или изграждане на нови елементи от техническата инфраструктура в подстанции и/или изграждане на нови подстанции/ възлови станции, част от електропреносната мрежа
ЕЛЕКТРОЕНЕРГИЕН СИСТЕМЕН ОПЕРАТОР ЕАД
Published: Jul 14, 2026
Updated: Jul 16, 2026
Source: TED - Tenders Electronic Daily (EU)

About This Opportunity

This is a works contract in the construction and civil works sector. Located in Bulgaria, Europe, this opportunity is open to firms and consortiums, with an estimated budget of EUR 268.3 million. Proposals must be submitted before July 27, 2026.

Published through TED - Tenders Electronic Daily (EU), a national government procurement portal. Public procurement tenders follow the country's national bidding regulations and may have specific eligibility and documentation requirements for civil works in the construction and civil works sector. Works contracts of this nature generally require demonstrated experience in similar infrastructure projects, adequate equipment and technical personnel, and financial capacity including bank guarantees. Interested parties should review the full documentation on the original source before submitting their proposal.

Description

Original language: bg

Възложителят предвижда сключване на рамково споразумение, в което не са определени всички условия, с до 5 потенциални изпълнители, за извършване на строително-монтажни работи за изграждане, реконструкция и/или ремонт на елементите от техническата инфраструктура в/за подстанциите или възловите станции, които са (или които ще са) част от електропреносната мрежа на Р България и се експлоатират (или които ще се експлоатират) от „Електроенергиен системен оператор“ ЕАД. За сключване на всеки конкретен договор с лицата, избрани за изпълнители по рамковото споразумение, възложителят ще провежда вътрешен конкурентен избор за определяне на изпълнител, въз основа на критерий за възлагане „най-ниска цена“. В поканата за участие, в това число и в приложенията към нея, възложителят ще конкретизира местоположението, обхвата, обема, максимално допустимия срок за изпълнение и съответния/ните минимален/ни гаранционен/ни срок/ове за извършените строително-монтажни работи, както и основните технически спецификации за изпълнение на планираните дейности. Всички подстанции, собственост на ЕСО ЕАД, независимо от напрежението на уредбите им, се категоризират като строежи първа категория, съгласно чл. 137, ал. 1, т. 1, буква „б“ от Закона за устройство на територията. Прогнозен обем: Подстанции/възлови станции с напрежение 110 kV – 55 бр. реконструкция на ОРУ; 4 бр. строителства за изграждане на нови или реконструкция на съществуващи сгради; 4 бр. строителства за изграждане на нови възлови станции; 3 бр. реконструкции на уредби СрН; 30 бр. текущи ремонти на сгради, съоръжения и др.; 25 бр. строителства за изграждане на нови или ремонт на съществуващи огради. Подстанции/възлови станции с напрежение 220 kV и 400 kV – 2 бр. строителства за изграждане на нови подстанции; 2 бр. строителства за изграждане на нови възлови станции; 2 бр. реконструкции на ОРУ; 2 бр. строителства за изграждане на нови или реконструкция на съществуващи сгради; 2 бр. строителства за изграждане на нови или ремонт на съществуващи огради; 6 бр. текущи ремонти на сгради, съоръжения и др.

Data provenance

This notice is sourced from TED - Tenders Electronic Daily (EU) and was originally published on July 14, 2026. Last refreshed today. Original language: bg. BidsFactory mirrors official procurement notices and links back to the source for full legal text.

About ЕЛЕКТРОЕНЕРГИЕН СИСТЕМЕН ОПЕРАТОР ЕАД

ЕЛЕКТРОЕНЕРГИЕН СИСТЕМЕН ОПЕРАТОР ЕАД has issued 63 procurement notices on BidsFactory, including 9 currently open and 38 awarded contracts. Activity concentrates in Architecture & Engineering Services, General Supplies & Services, and Construction & Civil Works. All notices are published for Bulgaria. Notices are distributed via TED - Tenders Electronic Daily (EU). Most recent publication: July 14, 2026.

Frequently asked questions about this tender

How can I submit a bid?

Visit TED - Tenders Electronic Daily (EU) to access the full notice, required documents, and submission instructions provided by the contracting authority.

When does this tender close?

The submission deadline is July 27, 2026. You have 12 days left to prepare and submit your proposal to the contracting authority.

Who is the contracting authority?

This notice was issued by ЕЛЕКТРОЕНЕРГИЕН СИСТЕМЕН ОПЕРАТОР ЕАД in Bulgaria. The authority is responsible for evaluating bids, awarding the contract, and managing performance.

What type of contract is this?

This is a Works contract in the Construction & Civil Works sector. The classification helps bidders match the opportunity to their qualifications and registered scope of supply.

What is the estimated budget?

The estimated contract value is €268,325,979 - €268,325,979. Bidders should ensure their proposals are consistent with this range and account for any local taxes and contract execution costs.

Where will the contract be performed?

The contract is for delivery in Bulgaria. Foreign bidders should review local registration, taxation, and any in-country presence requirements before submitting.

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Key Details

Submission Deadline
Jul 27, 2026
12 days remaining
Estimated Budget
€268,325,979 - €268,325,979
Contract Type
Works
Eligibility
Firms / Consortiums
Language
bg

Source

ted
TED - Tenders Electronic Daily (EU)
Public Procurement

Contracting Authority

ЕЛЕКТРОЕНЕРГИЕН СИСТЕМЕН ОПЕРАТОР ЕАД
🇧🇬Bulgaria

Contact

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