Design of automation and control system for "Dobrudzha" substation
About This Opportunity
This is a services contract in the architecture and engineering 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 services in the architecture and engineering sector. Service contracts are typically evaluated on both technical quality and price, and may require bidders to demonstrate relevant experience and qualified personnel. This contract has already been awarded. The information is published for transparency and market intelligence purposes.
Description
Auto-translated from bgThe subject of the order is a service including the execution of an investment project in all design parts, executive drawings and documentation, and author's supervision during construction. The design of the automated control system for the "Gorna Oryahovitsa" substation, which will replace the existing control, visualization, and signaling schemes, will be carried out in five stages: First stage – 110 kV equipment Second stage – 220 kV equipment Third stage – 400 kV equipment Fourth stage- Central signaling, AC own needs, DC own needs Fifth stage- 10, 20 and 31.5kV equipment The total execution period for the entire order is no more than 330 (three hundred and thirty) calendar days. This order is part of the implementation of the Investment “CARMEN: Smart Grids, increasing RES and interconnectivity in the Southeast Europe region”, co-financed by the Connecting Europe Facility.
Data provenance
This notice is sourced from TED - Tenders Electronic Daily (EU) and was originally published on July 31, 2026. Last refreshed 40 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 89 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: August 24, 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 Services contract in the Architecture & Engineering Services sector. The classification helps bidders match the opportunity to their qualifications and registered scope of supply.
How much was the contract awarded for?
ЕСО ПРОЕКТ ЕООД was awarded the contract for €420,900. The figure reflects the value disclosed by the contracting authority in the award notice.
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.
Is this tender still open?
No — the contract has already been awarded to ЕСО ПРОЕКТ ЕООД. The award notice is archived on BidsFactory for transparency and market intelligence.
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