Contracting authority

Tenders from TenneT TSO B.V.

NetherlandsOpen tenders: 14All notices: 24Based on 18 award notices

Data source: Tenders Electronic Daily (TED) — EU-wide above-threshold tenders.

Open tenders

Netherlands – Agricultural, forestry, horticultural, aquacultural and apicultural services – Groen- en terrein onderhoud
TenneT TSO B.V.Netherlands
Agricultural, forestry, horticultural, aquacultural and apicultural servicesPlanting and maintenance services of green areasGrounds maintenance services
Deadline in 26 days
Published on Oct 20, 2026
Netherlands – Security services – Tijdelijke Beveiliging door Mobiele Camera Units
TenneT TSO B.V.Netherlands
Security servicesSurveillance and security systems and devices
No deadline given
Published on Sep 27, 2026
Netherlands – Repair and maintenance services of security and defence materials – Beheer en onderhoud securityinstallaties op de DTT-RF locaties
TenneT TSO B.V.Netherlands
Repair and maintenance services of security and defence materialsSurveillance and security systems and devices
No deadline given
Published on Sep 24, 2026
Netherlands – Construction work – Bouwrijp maken Nederwiek Gamma Landstation terrein
TenneT TSO B.V.Netherlands
Construction workSite preparation workExcavating and earthmoving work
Deadline in 33 days
Published on Sep 07, 2026
Netherlands – Research services – Onderzoek Draadslachtoffers en Effectiviteit Hawk Eye-draadmarkeringen Verbinding Vierverlaten Ens 380 kV
TenneT TSO B.V.Netherlands
Research servicesEnvironmental impact assessment for constructionEnvironmental Impact Assessment (EIA) services other than for construction
No deadline given
Published on Aug 27, 2026
Netherlands – IT services: consulting, software development, Internet and support – Overhead Line Monitoring
TenneT TSO B.V.Netherlands
IT services: consulting, software development, Internet and supportSoftware package and information systemsDigital mapping services
No deadline given
Published on Jul 28, 2026
Netherlands, United Kingdom – Engineering services – EU-400 Engineeringsdiensten Technical & Spatial Services
TenneT TSO B.V.Netherlands
Engineering servicesNoise-control consultancy servicesEnergy and related services
No deadline given
Published on Jul 28, 2026
Netherlands – Computer audit and testing services – Pentes
TenneT TSO B.V.Netherlands
Computer audit and testing servicesSecurity software development servicesSystem and support services
No deadline given
Published on Jun 29, 2026
Netherlands – IT services: consulting, software development, Internet and support – Market consultation CRM
TenneT TSO B.V.Netherlands
IT services: consulting, software development, Internet and support
No deadline given
Published on May 26, 2026
Netherlands – Software supply services – Metering Data Management system
TenneT TSO B.V.Netherlands
Software supply servicesCustom software development servicesSoftware-related services
No deadline given
Published on May 04, 2026
Netherlands – Miscellaneous repair and maintenance services – TenneT - Grid Field Operation Offshore Netherlands (GON) - Westerschelde Circuits (150KV)
TenneT TSO B.V.Netherlands
Miscellaneous repair and maintenance services
No deadline given
Published on Apr 20, 2026
Netherlands – Miscellaneous repair and maintenance services – TenneT - Grid Field Operation Offshore Netherlands (GON) - Repair Jointing Contract for 700 MW HVAC export cables
TenneT TSO B.V.Netherlands
Miscellaneous repair and maintenance services
No deadline given
Published on Apr 08, 2026
Netherlands – IT services: consulting, software development, Internet and support – HR-IT Software suite
TenneT TSO B.V.Netherlands
IT services: consulting, software development, Internet and support
No deadline given
Published on Mar 10, 2026
Netherlands – Transport services (excl. Waste transport) – TenneT - Grid Field Operation Offshore Netherlands (GON) - Crew Transfer Vessel (CTV) Services 2026 - 2028
TenneT TSO B.V.Netherlands
Transport services (excl. Waste transport)Ships and similar vessels for the transport of persons or goodsHire of vessels with crew
No deadline given
Published on Feb 24, 2026

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Buyer award history

Total awards: 18
Average bidders per award: 4.7

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Tenders from TenneT TSO B.V.

Open tenders

Netherlands – Agricultural, forestry, horticultural, aquacultural and apicultural services – Groen- en terrein onderhoud

Netherlands – Security services – Tijdelijke Beveiliging door Mobiele Camera Units

Netherlands – Repair and maintenance services of security and defence materials – Beheer en onderhoud securityinstallaties op de DTT-RF locaties

Netherlands – Construction work – Bouwrijp maken Nederwiek Gamma Landstation terrein

Netherlands – Research services – Onderzoek Draadslachtoffers en Effectiviteit Hawk Eye-draadmarkeringen Verbinding Vierverlaten Ens 380 kV

Netherlands – IT services: consulting, software development, Internet and support – Overhead Line Monitoring

Netherlands, United Kingdom – Engineering services – EU-400 Engineeringsdiensten Technical & Spatial Services

Netherlands – Computer audit and testing services – Pentes

Netherlands – IT services: consulting, software development, Internet and support – Market consultation CRM

Netherlands – Software supply services – Metering Data Management system

Netherlands – Miscellaneous repair and maintenance services – TenneT - Grid Field Operation Offshore Netherlands (GON) - Westerschelde Circuits (150KV)

Netherlands – Miscellaneous repair and maintenance services – TenneT - Grid Field Operation Offshore Netherlands (GON) - Repair Jointing Contract for 700 MW HVAC export cables

Netherlands – IT services: consulting, software development, Internet and support – HR-IT Software suite

Netherlands – Transport services (excl. Waste transport) – TenneT - Grid Field Operation Offshore Netherlands (GON) - Crew Transfer Vessel (CTV) Services 2026 - 2028