Tenders/Delivery of an apparatus for continuous and automated real-time monitoring, analysis, and assessment of dissolved gas concentrations in transformer oils, mounted on a foundation next to the transformer

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Delivery of an apparatus for continuous and automated real-time monitoring, analysis, and assessment of dissolved gas concentrations in transformer oils, mounted on a foundation next to the transformer

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Original title: Доставка на апарат за постоянно и автоматизирано провеждане на наблюдение, анализ и оценка в реално време на концентрациите на разтворени газове в трансформаторни масла, монтиран на фундамент до трансформатор

ЕЛЕКТРОЕНЕРГИЕН СИСТЕМЕН ОПЕРАТОР ЕАД

Published: Jul 27, 2026

Updated: Jul 30, 2026

Source: TED - Tenders Electronic Daily (EU)

About This Opportunity

This is a supplies contract in the Research sector. Located in Bulgaria, Europe, this opportunity is open to firms and consortiums.

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 the supply of goods in the Research sector. Supply contracts typically require bidders to demonstrate product compliance with technical specifications, delivery capacity, and relevant certifications. Interested parties should review the full documentation on the original source before submitting their proposal.

Description

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The lot provides for the delivery through purchase, installation, and commissioning of apparatuses for continuous and automated real-time monitoring, analysis, and assessment of dissolved gas concentrations in transformer oils. The scope of the lot also includes communication settings, including with a telecommunication module with a SIM card (if applicable), training of personnel for operating the apparatus and the user software at the Contracting Authority's site. The execution period for the public procurement for the lot is up to 140 calendar days, of which: The delivery period for the apparatus is up to 120 calendar days from the entry into force of the contract; The period for supervision of installation, commissioning, communication settings, training of personnel for operating the apparatus and the user software at the Contracting Authority's site is within 20 calendar days; The warranty period is: not less than 24 months from the date of signing the acceptance certificate for commissioning and conducted personnel training.

Data provenance

This notice is sourced from TED - Tenders Electronic Daily (EU) and was originally published on July 27, 2026. Last refreshed 52 days ago. 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 90 procurement notices on BidsFactory, including 2 currently open and 49 awarded contracts. Activity concentrates in Architecture & Engineering Services, Construction & Civil Works, and General Supplies & Services. All notices are published for Bulgaria. Notices are distributed via TED - Tenders Electronic Daily (EU). Most recent publication: September 16, 2026.

Frequently asked questions about this tender

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 Supplies contract in the Research & Innovation sector. The classification helps bidders match the opportunity to their qualifications and registered scope of supply.

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.

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.