Tenders / Buyers / Netherlands
TenneT TSO B.V.: public contracts and tenders
TenneT TSO B.V. awarded 58 public contracts worth €754.0M where a value is stated since 2023-11-27; the recreational, cultural and sporting services contract held by Wirtz, Film & Experience Agency ends on 2026-12-23 (signed + duration). Source: Arcadium Data, data as of .
Awarded value = the award values the notices state (EUR at the notice date), 39 of 58 awards; framework agreements (a ceiling, not spend) and implausible values are left out.
Buyer
| Field | Value |
|---|---|
| Name | TenneT TSO B.V. |
| Country | Netherlands |
| Buyer type | Body governed by public law |
| City | Arnhem |
| Sources | EU TED |
Top suppliers
| Supplier | Registry number | Website | Awards | Value won alone |
|---|---|---|---|---|
| Sopra Steria Nederland B.V. | 4 | €61.7M | ||
| SPIE Nederland B.V. | 3 | n/a | ||
| Arcadis Nederland B.V. | 2 | €5.5M | ||
| SELT S.P.A. - SISTEMI ELETTRICI TELEFONICI S.P.A. | 2 | €10.0M | ||
| Athlon Car Lease Nederland B.V. | athlon.com | 1 | n/a | |
| OMEXOM GA Energo s.r.o. | 49196812 ČSÚ RES (CZ) | gaenergo.cz | 1 | n/a |
| HaskoningDHV Nederland B.V. | 01336844 Companies House (GB) | haskoning.com | 1 | n/a |
| Kuijpers Projecten B.V. | kuijpers.nl | 1 | €10.5M | |
| Mecanoo Architecten B.V. | mecanoo.nl | 1 | €2.9M | |
| NN Group | 52387534 KvK (NL) | nn-group.com | 1 | €15.0M |
| Obsession B.V. | obsession.nl | 1 | n/a | |
| Powertech Labs Inc | powertechlabs.com | 1 | €4.3M | |
| Siemens Energy B.V. | siemens-energy.com | 1 | n/a | |
| VORtech B.V. | vortech.nl | 1 | €12.0M | |
| Acciona Industrial NL B.V. | 1 | €30.0M |
Suppliers named on TenneT TSO B.V.'s award notices (the top 15 of 60); 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 |
|---|---|---|---|---|
| 2026-12-23 | Videoproducties (framework) | Wirtz, Film & Experience Agency | n/a | signed + duration |
| 2026-12-30 | Offshore Grid NL - UXO Survey Nederwiek 3, Doordewind 1 & Doordewind 2 | Next Geosolutions Europe SpA | €27.0M | end date stated |
| 2026-12-31 | WP19 Connection Tilburg 380kV | SELT S.P.A. - SISTEMI ELETTRICI TELEFONICI S.P.A. | €10.0M | end date stated |
| 2027-03-31 | External reporting tool and services | Tangelo Software BV | €1.2M | end date stated |
| 2027-03-31 | Flextender Winter 2026/2027 | €20.0M | end date stated | |
| 2027-05-31 | 181412 - Engineering Services - HVDC Landstations IJmuiden Ver Alpha, Beta & Gamma - Civiel Bouwkundig | Arcadis Nederland B.V. | €5.5M | end date stated |
| 2027-06-20 | Offshore Grid NL - Client Representative Services at Sea (framework) | Akira Energy B.V., Taylor Hopkinson Limited | n/a | signed + duration |
| 2027-06-30 | Adviesdiensten rond sociale zekerheid en verzekeringen | Schouten Zekerheid Makelaars in Assurantiën B.V. | €3.0M | end date stated |
| 2027-08-04 | Supply of Advanced Power Flow Control | Acciona Industrial NL B.V. | €30.0M | end date stated |
| 2027-10-01 | MidFour | Kuijpers Projecten B.V. | €10.5M | end date stated |
| 2027-12-31 | Beheer & Onderhoud Technische Installaties (framework) | SPIE Nederland B.V. | n/a | end date stated |
| 2027-12-31 | Collectieve zorgverzekering voor medewerkers van TenneT | CZ Zorgverzekeringen N.V. | €50.0M | end date stated |
| 2028-02-20 | Online boekingsplatform en services voor externe vergaderlocaties | €24.0M | award date + duration | |
| 2028-04-04 | Pre- en In-employment screening (framework) | Levent Group B.V. | n/a | signed + duration |
End dates checked against the official notice: 99% right (n=100, 95% CI 94%-100%, 2026-10-26; method).
Award notices of TenneT TSO B.V. 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. 14 contracts; a framework's value is a ceiling and is not shown.
Open calls for tender
| Deadline | Call for tender | Published | Estimated value |
|---|---|---|---|
| 2026-10-29 | Tijdelijke Beveiliging door Mobiele Camera Units | 2026-09-28 | €30.0M |
| 2026-11-20 | Groen- en terrein onderhoud | 2026-09-24 | €4.4M |
| 2026-11-20 | Groen- en terrein onderhoud | 2026-10-21 | €4.4M |
| 2026-11-27 | Bouwrijp maken Nederwiek Gamma Landstation terrein | 2026-09-08 | n/a |
| 2031-04-25 | Expertise for the Control Room of the Future program (Dynamic Purchasing System - EU-404) | 2025-12-01 | n/a |
Calls with a deadline of 2026-10-27 or later (not awarded yet).
Spend by sector (CPV divisions)
| Sector | CPV | Awards | Awarded value |
|---|---|---|---|
| IT services | 72 | 8 | €96.8M |
| Architecture and engineering services | 71 | 6 | €42.3M |
| Business services | 79 | 6 | €8.4M |
| Electrical equipment and lighting | 31 | 4 | €100.0M |
| Construction work | 45 | 4 | €11.3M |
| Financial and insurance services | 66 | 4 | €120.0M |
| Repair and maintenance services | 50 | 3 | €10.0M |
| Mining and basic metals | 14 | 1 | €38.5M |
| Clothing and footwear | 18 | 1 | n/a |
| Construction materials | 44 | 1 | €45.6M |
| Installation services | 51 | 1 | €10.0M |
| Oil and gas services | 76 | 1 | n/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
| Published | Contract | Winners | Value |
|---|---|---|---|
| 2026-08-12 | TenneT Offline Evenementen | Obsession B.V. | n/a |
| 2026-08-12 | Operationele lease personenwagens en bedrijfswagens | Athlon Car Lease Nederland B.V. | n/a |
| 2026-07-22 | Publicatie van opdracht onderhandse onderhouds tender Tensec 2.0 | Honeywell Building Solutions | €10.0M |
| 2026-07-03 | Lead Forward Programme & Emerging Leadership Programme | Leeuwendaal Advies B.V. | €1.6M |
| 2026-06-03 | Europoort 380 kV GIS / GIL | Hitachi Energy The Netherlands B.V., GE Nederland B.V. | €70.0M |
| 2026-05-08 | Integraal Ontwerpteam De Hes Kantoorlocatie | Mecanoo Architecten B.V. | €2.9M |
| 2026-05-08 | MidFour | Kuijpers Projecten B.V. | €10.5M |
| 2026-04-13 | 181412 - Engineering Services - HVDC Landstations IJmuiden Ver Alpha, Beta & Gamma - Civiel Bouwkundig | Arcadis Nederland B.V. | €5.5M |
| 2026-04-03 | Project "Innovation Maintain the Grid" | Guidehouse Netherlands B.V. | n/a |
| 2026-03-26 | Bloemen, attenties en promotieartikelen | Pimm Solutions B.V., Keiretsu Europe B.V. | n/a |
Follow this buyer free
Get TenneT TSO B.V.'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: 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 TenneT TSO B.V. awarded?
TenneT TSO B.V. published 58 contract award notices between 2023-11-27 and 2026-09-11; the 39 that state a value add up to €754.0M (official notices, as of 2026-10-27).
Who are TenneT TSO B.V.'s biggest suppliers?
By contract awards: Sopra Steria Nederland B.V. (4), SPIE Nederland B.V. (3) and Arcadis Nederland B.V. (2) (as of 2026-10-27). Winners that could be a private person are not named.
Which TenneT TSO B.V. contracts end soon?
14 contracts awarded by TenneT TSO B.V. end in the next 18 months. The soonest with a named holder is the recreational, cultural and sporting services contract held by Wirtz, Film & Experience Agency, ending on 2026-12-23 (signed + duration) (as of 2026-10-27).
Does TenneT TSO B.V. have open tenders now?
Yes: 5 calls for tender from TenneT TSO B.V. are open today (deadline 2026-10-27 or later) (as of 2026-10-27).
What does TenneT TSO B.V. buy?
Most of TenneT TSO B.V.'s awards are in IT services (CPV 72) (8), Architecture and engineering services (CPV 71) (6) and Business services (CPV 79) (6) (as of 2026-10-27).
Cite as: Arcadium Data, "TenneT TSO B.V. tenders and contracts: 58 awards, suppliers, contracts ending", https://arcadiumdata.io/tenders/buyers/tennet-tso-b-v-nl/, data as of 2026-10-27.