Tenders / Buyers / Netherlands
TenneT TSO: public contracts and tenders
TenneT TSO awarded 153 public contracts worth €945.7M where a value is stated since 2016-01-04; the education and training contract held by DUtrain GmbH ends on 2027-12-30 (end date stated). Source: Arcadium Data, data as of .
Awarded value = the award values the notices state (EUR at the notice date), 57 of 153 awards; framework agreements (a ceiling, not spend) and implausible values are left out.
Buyer
| Field | Value |
|---|---|
| Name | TenneT TSO |
| Country | Netherlands |
| City | ARNHEM |
| Sources | TenderNed (Netherlands) |
Top suppliers
| Supplier | Registry number | Website | Awards | Value won alone |
|---|---|---|---|---|
| GE Nederland B.V. | 7 | €2.2M | ||
| Royal Smit Transformers B.V. | 6 | €10.8M | ||
| BAM Infra BV | 5 | €13.5M | ||
| Hitachi Energy The Netherlands B.V. | 5 | n/a | ||
| Allianz Global Corporate & Speciality SE | 4 | n/a | ||
| Allianz Global Corporate & Specialty SE | 4 | n/a | ||
| Sweco Nederland B.V. | 4 | €546k | ||
| Witteveen+Bos Raadgevende ingenieurs B.V. | 4 | n/a | ||
| Joulz Energy Solutions B.V. | 3 | €8.5M | ||
| Next Geosolutions Europe SpA | 3 | €11.0M | ||
| Siemens AG | 3 | €3.0M | ||
| Siemens Nederland N.V. | 3 | €3.7M | ||
| Swiss Re International SE | 3 | n/a | ||
| Valmont SM S/A | 3 | n/a | ||
| Accenture B.V. | 2 | n/a |
Suppliers named on TenneT TSO's award notices (the top 15 of 198); 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
| Ends | Contract | Current holder | Value | End date basis |
|---|---|---|---|---|
| 2027-12-30 | Defence & Restore Simulation Trainings | DUtrain GmbH | €3.0M | end date stated |
End dates checked against the official notice: 99% right (n=100, 95% CI 94%-100%, 2026-10-26; method).
Award notices of TenneT TSO 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. 1 contracts; a framework's value is a ceiling and is not shown.
Open calls for tender
No open call for tender from TenneT TSO today.
Spend by sector (CPV divisions)
| Sector | CPV | Awards | Awarded value |
|---|---|---|---|
| Electrical equipment and lighting | 31 | 29 | €76.0M |
| Construction work | 45 | 25 | €487.1M |
| Architecture and engineering services | 71 | 14 | €127.8M |
| Financial and insurance services | 66 | 13 | €20.6M |
| Business services | 79 | 12 | €3.9M |
| IT services | 72 | 10 | €89.8M |
| Construction materials | 44 | 7 | €11.0M |
| Education and training | 80 | 5 | €13.5M |
| Oil and gas services | 76 | 4 | €3.2M |
| Transport equipment | 34 | 3 | €18.0M |
| Software packages and information systems | 48 | 3 | n/a |
| Fuel and energy | 09 | 2 | €77.0M |
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
| Published | Contract | Winners | Value |
|---|---|---|---|
| 2023-10-13 | Grid Services Overeenkomst | RWE Supply & Trading GmbH | €77.0M |
| 2023-10-07 | Tender post insulators & rotation rods 50 - 380 kV, framework agreement(s) 2024-2026 | Zaklady Porcelany Elektrotechnicznej "ZAPEL" SA, Cerisol Isoladores Ceramicos SA, Lapp Insulators GmbH | n/a |
| 2023-09-30 | 150 kV GIS Rozenburg-Zuid | 150 kV GIS Europoort | Hitachi Energy The Netherlands B.V., GE Nederland B.V. | n/a |
| 2023-09-30 | 150 kV GIS Beverwijk | 150 kV GIS Oostzaan | 380 kV H-GIS Maasvlakte | 380 kV H-GIS Wijk aan Zee | Hitachi Energy The Netherlands B.V., GE Nederland B.V., Siemens Energy B.V. | n/a |
| 2023-09-30 | 380 kV GIS + GIL Maasbracht | Hitachi Energy The Netherlands B.V., GE Nederland B.V. | n/a |
| 2023-09-30 | 380 kV GIS + GIL Amaliahaven | GE Nederland B.V., Hitachi Energy The Netherlands B.V. | n/a |
| 2023-09-15 | 150 kV GIS Bleiswijk | Hitachi Energy The Netherlands B.V. | n/a |
| 2023-09-08 | Construction All Risk (CAR) Insurance Hollandse Kust West beta | Swiss Re Corporate Solutions, Swiss Re International SE, Nederlandse vestiging | €6.3M |
| 2023-08-06 | Learning Tools | Tele'Train Education II B.V., Savant Learning Partners B.V., RMMBR B.V. | €4.5M |
| 2023-08-02 | Learning Tools | Savant Learning Partners B.V., Tele'Train Education II B.V., RMMBR B.V. | n/a |
Follow this buyer free
Get TenneT TSO'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 Netherlands). The same data is in the REST API and the MCP server.
Sources: TenderNed (Netherlands), 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 TenneT TSO awarded?
TenneT TSO published 153 contract award notices between 2016-01-04 and 2023-10-13; the 57 that state a value add up to €945.7M (official notices, as of 2026-10-27).
Who are TenneT TSO's biggest suppliers?
By contract awards: GE Nederland B.V. (7), Royal Smit Transformers B.V. (6) and BAM Infra BV (5) (as of 2026-10-27). Winners that could be a private person are not named.
Which TenneT TSO contracts end soon?
1 contracts awarded by TenneT TSO end in the next 18 months. The soonest with a named holder is the education and training contract held by DUtrain GmbH, ending on 2027-12-30 (end date stated) (as of 2026-10-27).
Does TenneT TSO have open tenders now?
No call for tender from TenneT TSO is open today in the official notices we read (as of 2026-10-27). Its 239 earlier calls are counted on this page.
What does TenneT TSO buy?
Most of TenneT TSO's awards are in Electrical equipment and lighting (CPV 31) (29), Construction work (CPV 45) (25) and Architecture and engineering services (CPV 71) (14) (as of 2026-10-27).
Cite as: Arcadium Data, "TenneT TSO tenders and contracts: 153 awards, suppliers, contracts ending", https://arcadiumdata.io/tenders/buyers/tennet-tso-nl/, data as of 2026-10-27.