The Aperlena Verdict
Open raceNo supplier dominates: 6 different companies have won the last 6 comparable contracts from this buyer over 5 years. This is a genuinely open race.
Based on 6 comparable awards by this buyer in this sector over 5 years. Every verdict is recorded before the outcome and graded against the award notice. How we score ourselves.
Description
Terms of the procedure
- How tenders are scored
- Preis: 100 percent
- Small firms
- The buyer does not mark this procedure as suitable for small and medium-sized firms.
- Tenders go to
- vergabe.duesseldorf.de
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?
- Open procedure: any interested supplier may submit a bid. Above the EU threshold: open to companies from any EU country.
- The notice is written in German.
- 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) 7 hours ago
What this buyer has paid before
Based on 4 comparable contracts this buyer awarded in this sector over the last 4 years.
- Median award
- €837,840
- Middle half of past awards
- €429,475 to €1.7M
TED - Tenders Electronic Daily (Publications Office of the EU) publishes no value for this notice, so it has no mark on the scale. The official documents may state one.
Most recent awards
- Bauinstallationsarbeiten - Erneuerung der Automatisierungstechnik auf dem Klärwerk Düsseldorf Süd €1,120,890
- Installation von Elektroanlagen - Erneuerung der Maschinentechnik für die biologische Reinigungsstufe auf dem Klärwerk Düsseldorf-Süd €3,351,760
- Elektrotechnikinstallation - Maschinen- und Elektrotechnik für das Projekt Einrichten einer Kohlenstoffdosierstation auf dem Klärwerk Düsseldorf Süd €554,790
- Brandschutzarbeiten - Einbindung des Maschinenhauses auf dem Klärwerk Düsseldorf Nord in den bestehenden Brandmeldekreis €53,530
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 profileLandeshauptstadt Düsseldorf, Der Oberbürgermeister, Stadtentwässerungsbetrieb
- notices in the register
- 89
- awards
- 38
- awarded in total
- €10.8M
Who wins its contracts
Many suppliers- different companies won its awards
- 18
- of the awards went to the three most frequent winners
- 25%
- of its calls state an estimated value
- 0%
Based on 20 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)
- 2.9
- of those lots received a single tender
- 44%
- of the awards went to companies based in another country
- 0%
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.
Who usually wins this buyer's contracts in this sector
| Company | Wins | Total awarded | Last win |
|---|---|---|---|
| SCHACHTBAU NORDHAUSEN GmbH | 1 | €3.4M | Feb 2026 |
| ELIQUO KGSTULZ GmbH | 1 | €1.1M | Jul 2026 |
| Likusta Umwelttechnik | 1 | €554,790 | Nov 2025 |
| Siemens AG | 1 | €53,530 | Sep 2025 |
| Eiffage Infra-West GmbH | 1 | May 2026 |
Based on 6 awards with a linked company profile over the last 5 years.
8 open tenders right now
- Insurance - Combined construction and liability insurance for sewer and special construction works of the SEBD 1 day left
- Construction works - Concrete repair of aeration tanks BB02TB01 and 02 at the Düsseldorf-Nord wastewater treatment plant 4 days left
- Versicherungen - Kombinierte Bauleistungs- und Haftpflichtversicherung für Kanal- und Sonderbaumaßnahmen des SEBD 7 days left
Market context
TED - Tenders Electronic Daily (Publications Office of the EU) publishes no value for this notice, so it cannot be placed among the open notices of its sector. The official documents may state one.
- open now in Construction work
- 19,897
- median open notice
- €549,397
Who wins in this market
Many suppliersGermany · Construction work
- different companies won awards here
- 12,402
- of the awards went to the three most frequent winners
- 1%
- buyers awarded contracts here
- 3,003
Based on 27,432 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)
- 6.3
- of those lots received a single tender
- 7%
- 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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