Contracting authority
Tenders from TenneT TSO B.V.
NetherlandsOpen tenders: 11All notices: 18Based on 18 award notices
NetherlandsData source: Tenders Electronic Daily (TED) — EU-wide above-threshold tenders.
- IT services: consulting, software development, Internet and support
- Repair and maintenance services
- Architectural, construction, engineering and inspection services
- Research and development services and related consultancy services
- Business services: law, marketing, consulting, recruitment, printing and security
- Furniture (incl. office furniture), furnishings, domestic appliances (excl. lighting) and cleaning products
- Education and training services
- Transport services (excl. Waste transport)
Open tenders
Netherlands – Repair and maintenance services of security and defence materials – Beheer en onderhoud securityinstallaties op de DTT-RF locaties
TenneT TSO B.V.NetherlandsRepair and maintenance services of security and defence materialsSurveillance and security systems and devicesNo deadline givenPublished on Aug 27, 2026
Netherlands – Research services – Onderzoek Draadslachtoffers en Effectiviteit Hawk Eye-draadmarkeringen Verbinding Vierverlaten Ens 380 kV
TenneT TSO B.V.NetherlandsResearch servicesEnvironmental impact assessment for constructionEnvironmental Impact Assessment (EIA) services other than for constructionNo deadline givenPublished on Aug 27, 2026
Netherlands, United Kingdom – Engineering services – EU-400 Engineeringsdiensten Technical & Spatial Services
TenneT TSO B.V.NetherlandsEngineering servicesNoise-control consultancy servicesEnergy and related servicesNo deadline givenPublished on Jul 28, 2026
Netherlands – IT services: consulting, software development, Internet and support – Overhead Line Monitoring
TenneT TSO B.V.NetherlandsIT services: consulting, software development, Internet and supportSoftware package and information systemsDigital mapping servicesNo deadline givenPublished on Jul 28, 2026
Netherlands – Computer audit and testing services – Pentes
TenneT TSO B.V.NetherlandsComputer audit and testing servicesSecurity software development servicesSystem and support servicesNo deadline givenPublished on Jun 29, 2026
Netherlands – IT services: consulting, software development, Internet and support – Market consultation CRM
TenneT TSO B.V.NetherlandsIT services: consulting, software development, Internet and supportNo deadline givenPublished on May 26, 2026
Netherlands – Software supply services – Metering Data Management system
TenneT TSO B.V.NetherlandsSoftware supply servicesCustom software development servicesSoftware-related servicesNo deadline givenPublished on May 04, 2026
Netherlands – Miscellaneous repair and maintenance services – TenneT - Grid Field Operation Offshore Netherlands (GON) - Westerschelde Circuits (150KV)
TenneT TSO B.V.NetherlandsMiscellaneous repair and maintenance servicesNo deadline givenPublished 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.NetherlandsMiscellaneous repair and maintenance servicesNo deadline givenPublished on Apr 08, 2026
Netherlands – IT services: consulting, software development, Internet and support – HR-IT Software suite
TenneT TSO B.V.NetherlandsIT services: consulting, software development, Internet and supportNo deadline givenPublished 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.NetherlandsTransport services (excl. Waste transport)Ships and similar vessels for the transport of persons or goodsHire of vessels with crewNo deadline givenPublished on Feb 24, 2026
Recently closed
Netherlands – IT services: consulting, software development, Internet and support – Overhead Line Monitoring
TenneT TSO B.V.NetherlandsIT services: consulting, software development, Internet and supportSoftware package and information systemsDigital mapping servicesNo deadline givenPublished on Jun 30, 2026
Netherlands, United Kingdom – Engineering services – EU-400 Engineeringsdiensten Technical & Spatial Services
TenneT TSO B.V.NetherlandsEngineering servicesNoise-control consultancy servicesEnergy and related servicesNo deadline givenPublished on Jun 24, 2026
Netherlands – Office furniture – Kantoormeubilair
TenneT TSO B.V.NetherlandsOffice furnitureOffice equipment except furnitureFurnitureDeadline passedPublished on Jun 16, 2026
Netherlands – Marine survey services – TenneT Grid Field operations Offshore Netherlands (GON) - EU SURVEY SERVICES
TenneT TSO B.V.NetherlandsMarine survey servicesEngineering-related scientific and technical servicesGeological, geophysical and other scientific prospecting servicesDeadline passedPublished on Apr 15, 2026
Netherlands – Security services – Fysieke beveiligingsdiensten
TenneT TSO B.V.NetherlandsSecurity servicesDeadline passedPublished on Mar 16, 2026
Buyer award history
- Total awards
- 18
- Average bidders per award
- 4.7
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