HOFOR's largest published contract of 2026, the Svanemøllen Cloudburst Tunnel main contract SST04, is estimated at DKK 1.9 billion excluding VAT over 104 months and is being let through a competitive procedure with negotiation. Three prequalified consortia were announced on 4 August 2026, and no contract has been awarded.
One platform, several buyers
HOFOR A/S runs its EU tenders through the EU-Supply platform, where its buyer profile is company ID 338688. Notices are issued in the names of the buying companies: the framework for below-ground steel works on district heating pipes, tendered on 22 April 2026, came jointly from HOFOR P/S, HOFOR Vand København A/S and HOFOR Spildevand København A/S.
Frameworks with a long tail
That framework is estimated at DKK 700 million excluding VAT, with a maximum of DKK 900 million, for up to 5 participants over 4 years with up to 2 renewals. Requests to participate closed on 26 May 2026, and no award had been reported by November 2026.
The negotiation rules
SST04 was tendered under the Danish Public Procurement Act (LBK nr. 116 of 3 February 2025), section 61(1). Applicants had to submit the European Single Procurement Document with their prequalification request by 15 June 2026, and negotiation meetings are limited to 5 participants per bidder. HOFOR, Novafos and Frederiksberg Forsyning expect to conclude the procurement by summer 2027.
Small purchases go to tender too
On 7 July 2026, HOFOR Vand København A/S published a tender for construction insurance on the Tinghøj reservoir, estimated at DKK 3.15 million excluding VAT, with a contract running to 1 April 2032.
Which waterworks, basin and heat-pump tenders come next, who already holds HOFOR's tunnel contracts and where suppliers should focus first are set out in the brief. The full report, HOFOR: Utility Account Brief, is available for USD 499. For a free overview, read the HOFOR Utility Snapshot.