The database of public procurement
Contracting authority
Abwasserbetriebe Weserbergland AöR
Abwasserbetriebe Weserbergland AöR has awarded 4 contracts to 4 companies since 2025 (as of 2 Oct 2026).
As of: · Source: official notices (Datenservice Öffentlicher Einkauf, CC0), EU Official Journal (TED) and procurement portals · How we count
Tenders since 2020
By year of publication, each notice once. Up to 2023 from the EU Official Journal (TED, only above the EU thresholds, buyer key “abwasserbetriebe weserbergland aoer”), from 2024 from the DÖE, so that nothing in 2022 and 2023 is counted twice. Portals: open tenders from procurement portals beyond the DÖE, since 23 Sep 2026. The current year is incomplete.
Lots per quarter, 12 quarters
All stages, by quarter of publication.
Who wins here
| Company | Trade | Awards | Volume | Latest |
|---|---|---|---|---|
| Willy Kiene Hoch- u. Tiefbau GmbH & Co.Negenborn | Civil engineering, earthworks | 1 | €2,785,708 | 22 Jul 2025 |
| ESA ELEKTRO AUTOMATION GmbHViehdorf | Electrical installations | 1 | €1,430,575 | 22 Jul 2025 |
| Huning Anlagenbau GmbH & Co. KGMelle | Civil engineering, earthworks | 1 | €448,938 | 23 Mar 2026 |
| PreZero Service Mitte GmbH & Co. KGHannover | Other | 1 | 8 Dec 2025 |
4 companies with 4 awards across the whole record of this authority.
The network of this authority
Wins here
- Willy Kiene Hoch- u. Tiefbau GmbH & Co. Negenborn1
- ESA ELEKTRO AUTOMATION GmbH Viehdorf1
- Huning Anlagenbau GmbH & Co. KG Melle1
- PreZero Service Mitte GmbH & Co. KG Hannover1
Winners from the award notices, planning offices from the office register.
Open tenders
No tender of this authority is still open for bids today.
Latest lots
| Date | Lot | Stage | Value |
|---|---|---|---|
| 25 Mar 2026 | ABW - Kläranlage Hameln - Neubau der Schlammentwässerung (VMA Dickschlammförderung und -speicherung Rechtecksilo)Notice | Award | €448,938 |
| 1 Feb 2026 | Neubau Sanitär- und Umkleidegebäude KA Hameln - Planungsleistungen gem. HOAI §§ 34, 39, 51, 55Notice | Tender | €268,484 |
| 18 Jan 2026 | ABW - Kläranlage Hameln - Neubau der Schlammentwässerung (VMA Dickschlammförderung und -speicherung Rechtecksilo)Notice | Tender | |
| 10 Dec 2025 | ABW - Entsorgung von kommunalem Abfall auf der Kläranlage HamelnNotice | Award | |
| 12 Oct 2025 | ABW - Entsorgung von kommunalem Abfall auf der Kläranlage HamelnNotice | Tender | €318,821 |
| 25 Jul 2025 | ABW - Kläranlage Hameln - Neubau der Schlammentwässerung (Bautechnik)Notice | Award | €2,785,708 |
| 25 Jul 2025 | ABW - Kläranlage Hameln - Neubau der Schlammentwässerung (EMSR-Technik)Notice | Award | €1,430,575 |
The 7 most recent lots of all stages in the last 12 quarters. Prior information means planning, no tender yet; archive means past.
Questions and answers
How many contracts has Abwasserbetriebe Weserbergland AöR awarded?
Abwasserbetriebe Weserbergland AöR has awarded 4 contracts to 4 companies since 2025. On average there were 3.3 bids per award, counted over 4 awards that state the number.
Which companies win most often at Abwasserbetriebe Weserbergland AöR?
Most awards went to Willy Kiene Hoch- u. Tiefbau GmbH & Co. (1), ESA ELEKTRO AUTOMATION GmbH (1) and Huning Anlagenbau GmbH & Co. KG (1). In total, 4 companies have won an award here.
What does Abwasserbetriebe Weserbergland AöR put out to tender?
By CPV division, the most recent tenders mainly concern “Architecture and engineering” (2), “Sewage, waste, cleaning” (2) and “Chemicals” (1). The database holds 3 tenders of this authority.
Does Abwasserbetriebe Weserbergland AöR have open tenders?
On 2 Oct 2026, no tender of this authority was open for bids.