Source: https://tendernation.io/opportunities/01a14088-8d9d-7183-9af0-8495605b3fe0/netherlands-marine-survey-services-tennet-grid-field-operations-offshore-net closed NL open procedure Suitable for SMEs # Marine survey services – TenneT Grid Field operations Offshore Netherlands (GON) - EU SURVEY SERVICES [TenneT TSO B.V.](https://tendernation.io/buyers/tennet-tso-bv) Estimated value €41,750,000 Published 16 Apr 2026 Deadline Closed 29 May 2026 ## Who can bid - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. - Open procedure Anyone can submit a full tender; there is no shortlisting stage. [More contracts for small businesses and VCSEs](https://tendernation.io/opportunities/for-small-businesses) ## About this tender TenneT TSO B.V. has been appointed by the Dutch Government as the Offshore Grid Operator and is responsible for the integrity management of offshore grid assets. The operational cable connections require survey activities along subsea and land cable routes, as well as platform areas. The data collected supports risk assessment, asset integrity management and compliance reporting, as set out in the Scope of Services (SoS). The objective is to run a tender as public procedure (open procedure), to conclude a multi-year framework agreement for offshore geophysical surveys for routes and platform locations. ## CPV classification Marine survey services Engineering-related scientific and technical services Geological, geophysical and other scientific prospecting services Core preparation and analysis services Scientific prospecting services Geophysical prospecting services Geology, oceanography and hydrology services Oceanography and hydrology services Bathymetric surveys services Underwater exploration services Subsurface surveying services Seismic services Seismographic surveying services Surface surveying services Hydrographic surveying services Map-making services Surveying services Source Tenders Electronic Daily (EU) · Notice 259411-2026 [View official notice](https://ted.europa.eu/en/notice/259411-2026) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free](https://tendernation.io/register) [Buyer profile TenneT TSO B.V.: past awards and live tenders](https://tendernation.io/buyers/tennet-tso-bv) [Sector More Architecture, engineering & surveying tenders](https://tendernation.io/sectors/architecture-engineering-surveying) ## More tenders like this [Architectural, design and building consultancy services - Dalby Visitor Centre · Forestry Commission · 25 days left · 13 Nov 2026](https://tendernation.io/opportunities/01a15552-1b8a-7041-80fb-e4943876fc38/architectural-design-and-building-consultancy-services-dalby-visitor-centre) [Asbestos Management Framework · Home Group · 25 days left · 13 Nov 2026](https://tendernation.io/opportunities/01a15476-5fff-736e-ae2e-0c8a400c7297/asbestos-management-framework) [Infrastructure works consultancy services – Contrôle extérieur des chaussées · Collectivité européenne d Alsace · 29 days left · 17 Nov 2026](https://tendernation.io/opportunities/01a15183-1730-733b-8247-a32bbbe2211c/france-infrastructure-works-consultancy-services-controle-exterieur-des-chau) [Architectural, construction, engineering and inspection services – Būvprojekta izstrāde un autoruzraudzība fasādes siltināšanai kārtās Dzirciema ielā 16, Rīgā – 1.kārta, C korpuss · Rīgas Stradiņa universitāte · 28 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a15183-3915-73d1-83e6-c378f9f7a926/latvia-architectural-construction-engineering-and-inspection-services-buvp) [Technical assistance services – Suivi et gestion de chantiers de réhabilitation de sites pollués · SPAQuE · 15 days left · 3 Nov 2026](https://tendernation.io/opportunities/01a15183-155e-73c2-a593-9e17375422ac/belgium-technical-assistance-services-suivi-et-gestion-de-chantiers-de-rehab) [Architectural, construction, engineering and inspection services – Single Party Framework Agreement for Architect Led Integrated Design Team Services for Fire Safety Remediation Works for Dublin City Council · Dublin City Council · 5 days left · 23 Oct 2026](https://tendernation.io/opportunities/01a15183-0a15-7156-849b-5a223dd6d615/ireland-architectural-construction-engineering-and-inspection-services-sin)