Summary
Machine-generated summaryThe contract covers construction and installation works plus as-built documentation for enlarging the lower balancing reservoir of the Chaira pumped storage hydropower plant by building the Yadenitsa dam and a reversible pressure tunnel connecting it to the Chaira reservoir. Works include the dam wall with an injection gallery, shaft spillway with outlet gallery, chute and energy dissipator, main outlet, control and measurement system, a small hydropower plant on ecological flows, slope and landslide reinforcement, erosion protection, riverbed correction, connection of permanent users to the 20 kV network, the reversible pressure tunnel with intake, surge shafts, filling and emptying systems, access windows, relocation of a water pipeline, operation roads, a service building and a physical security system.
Description
Terms of the procedure
- How tenders are scored
- Обществената поръчка се възлага въз основа на икономически най-изгодната оферта, определена въз основа на следния критерий за възлагане: „най-ниска цена“ в съответствие с чл. 70, ал. 2, т. 1 от ЗОП.
- Tenders go to
- app.eop.bg/today/552192
As the official notice states them.
Bid or no-bid?
Six questions before you commit a team. Under each one, what the register holds on it. The answers are yours.
Can I bid?
- Negotiated procedure: the buyer negotiates the terms with the suppliers it admits. Above the EU threshold: open to companies from any EU country.
- The notice is written in Bulgarian.
- Certificates from another EU country? Check the equivalents on eCertis
Official source
Source: TED - Tenders Electronic Daily (Publications Office of the EU)
Always verify details on the official notice.
Report an error in this notice
Last verified against TED - Tenders Electronic Daily (Publications Office of the EU) 2 days ago
Expected award price
- likely award for this notice, from its published estimate of €350,060,000
- €339.6M to €350.1M
Comparable awards in this country and sector came in at a median of 99% of their published estimate, half of them between 97% and 100%, based on 536 awards of the last 3 years.
Each award is compared with the estimate of the same lots, framework agreements excluded. A published estimate may include options and renewals, so an award under it is not always a discount.
What this buyer has paid before
Based on 7 comparable contracts this buyer awarded in this sector over the last 4 years.
- This notice
- €350.1M
- Median award
- €214,304
- Middle half of past awards
- €128,890 to €1.3M
The estimate is larger than three in four past awards.
Most recent awards
- Elevator with five stops for the Tsankov Kamak dam €52,370
- България - Монтажни работи на дограма, интериорни и други завършващи елементи - „Доставка и монтаж на дограма“, реф. № 25ИП-У19А052 €108,994
- България - Строителни и монтажни работи на хидротехнически съоръжения - Възстановяване на аварирал участък от главна напорна деривация за ВЕЦ „Тешел“ €40,665,183
- България - Строителни и монтажни работи на високоволтови инсталации - Проектиране, доставка, монтаж и въвеждане в експлоатация на прекъсвачи €1,664,817
- България - Топлоизолационни строителни работи - Подмяна покривно покритие и възстановяване фасади на административна сграда и склад на ВЕЦ „Пещера“, реф. № 26ИП-Е19А029 €214,304
Award values as published by the official sources. Use them as a guide, not a rule: scope, lots and duration differ between contracts.
The buyer
Full buyer profileНАЦИОНАЛНА ЕЛЕКТРИЧЕСКА КОМПАНИЯ ЕАД
- notices in the register
- 179
- awards
- 100
- awarded in total
- €152.7M
Who wins its contracts
Many suppliers- different companies won its awards
- 55
- of the awards went to the three most frequent winners
- 23%
- of its calls state an estimated value
- 100%
Based on 75 awards with a named winner over the last 3 years. Counted by award, not by value, because lot and framework amounts are not comparable. Concentrated means the three most frequent winners took 65% or more of the awards; many suppliers, under 35% with at least ten different winners.
Competition
- tenders per lot on average (open and restricted procedures)
- 2.4
- of those lots received a single tender
- 23%
- of the awards went to companies based in another country
- 2%
As the official award notices state them, over the last 3 years. Tenders per lot count open and restricted procedures only: in a negotiated procedure or a direct award a single tender is the procedure itself. The country is the one the notice gives for the winner.
One dot per award, on the day it was signed, sized by its value. A ring is an award with no published value.
This buyer has no award history in this sector yet. Usual winners, Construction work - Bulgaria
| Company | Wins | Total awarded | Last win |
|---|---|---|---|
| ИНФРАСТРУКТУРНИ СИСТЕМИ ЕООД | 35 | €10.3M | Oct 2026 |
| ИНДЖОВСТРОЙ ЕООД | 27 | €2.9M | Aug 2026 |
| ПЪТИНЖЕНЕРИНГСТРОЙ-Т ЕАД | 26 | €24.8M | Sep 2026 |
| ПЪТНИ СТРОЕЖИ - ВЕЛИКО ТЪРНОВО ЕАД | 26 | €10.5M | Oct 2026 |
| НИВЕЛ СТРОЙ ЕООД | 25 | €28.0M | Sep 2026 |
Based on 2428 awards with a linked company profile over the last 2 years.
9 open tenders right now
- Technical testing, analysis and consultancy services - PAVEC Chaira - expert assessment and risk analysis, ref. No 26IP-R19A114 6 days left
- Spare parts and accessories for vehicles and vehicle engines - Supply of spare parts, assemblies, components and consumables, technical servicing, diagnostics and repair of passenger cars, trucks, buses, special equipment and construction machinery in four separate lots 6 days left
- Subscription maintenance of elevators at NEC EAD sites, ref. no. 26TP-T19A145 6 days left
Market context
Larger than 99% of the open notices in Construction work across Europe.
- open now in Construction work
- 19,866
- median open notice
- €534,464
Who wins in this market
Many suppliersBulgaria · Construction work
- different companies won awards here
- 1,039
- of the awards went to the three most frequent winners
- 4%
- buyers awarded contracts here
- 409
Based on 2,428 awards with a named winner over the last 3 years. Counted by award, not by value, because lot and framework amounts are not comparable. Concentrated means the three most frequent winners took 65% or more of the awards; many suppliers, under 35% with at least ten different winners.
Competition
- tenders per lot on average (open and restricted procedures)
- 2.7
- of those lots received a single tender
- 33%
- of the awards went to companies based in another country
- 1%
- of the tenders came from another country
- 1%
As the official award notices state them, over the last 3 years. Tenders per lot count open and restricted procedures only: in a negotiated procedure or a direct award a single tender is the procedure itself. The country is the one the notice gives for the winner.
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Awarded before
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