Tenders / Buyers / Germany

Stadtwerke Konstanz GmbH: public contracts and tenders

Stadtwerke Konstanz GmbH awarded 14 public contracts worth €5.1M where a value is stated since 2023-11-08; the construction work contract held by Franz Lohr GmbH ends on 2027-03-16 (end date stated). Source: Arcadium Data, data as of .

Contract awards14
Awarded value (stated)€5.1M
Suppliers named14
Ending in 18 months6
Open calls now1
Calls for tender18
First award2023-11-08
Latest award2026-08-25

Awarded value = the award values the notices state (EUR at the notice date), 2 of 14 awards; framework agreements (a ceiling, not spend) and implausible values are left out.

Buyer

FieldValue
NameStadtwerke Konstanz GmbH
CountryGermany
Buyer typeLocal authority
CityKonstanz
SourcesEU TED

Top suppliers

SupplierRegistry numberWebsiteAwardsValue won alone
Baustatik Relling GmbH2n/a
Franz Lohr GmbH2n/a
EGS-plan GmbHDE218431901 VATegs-plan.de1n/a
P&I Personal & Infromatik AGDE812576084 VATpi-ag.com1n/a
Aptean Austria GmbH1n/a
AZ Bautenschutz GmbH1€3.7M
Bremer Beschichtung Münker GmbH1n/a
DB Energie GmbH1n/a
ing Kess GmbH1n/a
Maler-Buhmann GmbH1n/a
nextbike GmbH1n/a
ÖSWAG Werft Linz GmbH1n/a
Pan Dacom Direkt GmbH1n/a
wurm Gesamtplanung Architekt Ingenieur Sachverständiger PartG mbH1n/a

Suppliers named on Stadtwerke Konstanz GmbH's award notices; registry number and website where the supplier is linked to its register entry. Winners that could be a private person are withheld.

Contracts ending in the next 18 months

EndsContractCurrent holderValueEnd date basis
2027-03-16Instandsetzung Tiefgarage Augustinerplatz Elektrotechnikn/aend date stated
2027-03-16Instandsetzung Parkhaus Augustinerplatz Sanitär- und LuftungstechnikFranz Lohr GmbHn/aend date stated
2027-04-29TG Augustiner BetonsanierungAZ Bautenschutz GmbH€3.7Mend date stated
2027-12-3125-011 Konzern DieselDB Energie GmbHn/aend date stated
2028-01-3126-013 Gasbasiertes Gebäudenetz SchwedenschanzeFranz Lohr GmbHn/aend date stated
2028-03-31Betrieb Fahrradmietsystemnextbike GmbHn/aend date stated

End dates checked against the official notice: 99% right (n=100, 95% CI 94%-100%, 2026-10-26; method).

Award notices of Stadtwerke Konstanz GmbH whose contract period ends in the next 18 months: the end date the notice states, else its start or signature date plus the stated duration. 6 contracts; a framework's value is a ceiling and is not shown.

Open calls for tender

DeadlineCall for tenderPublishedEstimated value
2026-11-20Stadtwerke Konstanz GmbH - Generalplanung Neubau Umspannwerk2026-10-20n/a

Calls with a deadline of 2026-10-27 or later (not awarded yet).

Spend by sector (CPV divisions)

SectorCPVAwardsAwarded value
Construction work452€3.7M
Software packages and information systems482n/a
Repair and maintenance services502€1.4M
Architecture and engineering services712n/a
Fuel and energy091n/a
Public utilities651n/a
IT services721n/a
Other community and personal services981n/a

Award notices with a named winner, by the main CPV code; value = the total the notices state, in EUR at the notice date; framework agreements (a ceiling, not spend) and implausible values are left out.

Recent awards

PublishedContractWinnersValue
2026-08-2526-013 Gasbasiertes Gebäudenetz SchwedenschanzeFranz Lohr GmbHn/a
2026-08-10Instandsetzung Parkhaus Augustinerplatz Sanitär- und LuftungstechnikFranz Lohr GmbHn/a
2026-04-30TG Augustiner BetonsanierungAZ Bautenschutz GmbH€3.7M
2026-04-20Planung des Neubau Wärmeverbund Hafner 1.BA in KonstanzEGS-plan GmbH, Baustatik Relling GmbHn/a
2026-03-2026-012 Landrevision FS_TaborMaler-Buhmann GmbH, BBM GmbH, ÖSWAG Werft Linz GmbH€1.4M
2026-02-09Planung des Neubau Wärmeverbund Bodensee-Therme in Konstanz mit Seethermieing Kess GmbH, wurm Gesamtplanung Architekt Ingenieur Sachverständiger PartG mbH, Baustatik Relling GmbHn/a
2026-01-0825-004_HR_SoftwareP&I Personal & Infromatik AGn/a
2025-11-1925-011 Konzern DieselDB Energie GmbHn/a
2024-12-1125-003 Landrevision FS-KreuzlingenBremer Beschichtung Münker GmbHn/a
2024-06-0723-082b - Softwareanwendung Materialwirtschaft und AuftragsbearbeitungAptean Austria GmbHn/a

Follow this buyer free

Get Stadtwerke Konstanz GmbH's new calls for tender, awards and contracts ending in a free weekly email (Tender Radar free tier: a saved search for this buyer's name in Germany). The same data is in the REST API and the MCP server.

Sources: EU TED, read through their open-data feeds without logging in. Buyer = contracting authority as named on the notice; notices are grouped by the normalised name and country.

Source: Arcadium Data tenders database, 3,811,022 official public procurement notices from EU TED, UK Find a Tender, UK Contracts Finder and national procurement boards, read through their open-data services (no logins). Winners that could be a private person (sole traders) are withheld; buyers are public bodies. Data as of 2026-10-27.

Questions

How many public contracts has Stadtwerke Konstanz GmbH awarded?

Stadtwerke Konstanz GmbH published 14 contract award notices between 2023-11-08 and 2026-08-25; the 2 that state a value add up to €5.1M (official notices, as of 2026-10-27).

Who are Stadtwerke Konstanz GmbH's biggest suppliers?

By contract awards: Baustatik Relling GmbH (2), Franz Lohr GmbH (2) and EGS-plan GmbH (1) (as of 2026-10-27). Winners that could be a private person are not named.

Which Stadtwerke Konstanz GmbH contracts end soon?

6 contracts awarded by Stadtwerke Konstanz GmbH end in the next 18 months. The soonest with a named holder is the construction work contract held by Franz Lohr GmbH, ending on 2027-03-16 (end date stated) (as of 2026-10-27).

Does Stadtwerke Konstanz GmbH have open tenders now?

Yes: 1 calls for tender from Stadtwerke Konstanz GmbH are open today (deadline 2026-10-27 or later) (as of 2026-10-27).

What does Stadtwerke Konstanz GmbH buy?

Most of Stadtwerke Konstanz GmbH's awards are in Construction work (CPV 45) (2), Software packages and information systems (CPV 48) (2) and Repair and maintenance services (CPV 50) (2) (as of 2026-10-27).

Cite as: Arcadium Data, "Stadtwerke Konstanz GmbH tenders and contracts: 14 awards, suppliers, contracts ending", https://arcadiumdata.io/tenders/buyers/stadtwerke-konstanz-gmbh-de/, data as of 2026-10-27.