EU-338 Qualification System - Line stringing and tower erection for large projects
TenneT TSO is launching a digital qualification system via Mercell to establish a list of suitable contractors for the installation of high-voltage lines and the construction of towers. The assignment includes both the upgrade of approximately 600 km of existing high-voltage lines and the construction of 400 km of new lines between 2026 and 2035, representing a total demand of approximately 1,000 km. The focus lies on line stringing and tower erection, with an emphasis on safety, quality, and compliance with EU and national regulations. Contractors must demonstrate experience with large-scale infrastructure projects, possess the appropriate technical and organizational capacity, and be capable of delivering within the specified timelines. The procedure is fully digital, ensuring transparency and efficiency.
Works · European procedure
01What is being requested
TenneT TSO is launching a digital qualification system via Mercell to establish a list of suitable contractors for the installation of high-voltage lines and the construction of towers. The assignment includes both the upgrade of approximately 600 km of existing high-voltage lines and the construction of 400 km of new lines between 2026 and 2035, representing a total demand of approximately 1,000 km. The focus lies on line stringing and tower erection, with an emphasis on safety, quality, and compliance with EU and national regulations. Contractors must demonstrate experience with large-scale infrastructure projects, possess the appropriate technical and organizational capacity, and be capable of delivering within the specified timelines. The procedure is fully digital, ensuring transparency and efficiency.
TenneT faces a major task in the coming years. In addition to a substantial number of upgrades to existing high-voltage overhead lines (around 600 km between 2026-2035), a substantial number of new high-voltage overhead lines is planned to be build (around 400 km between 2026-2035). This possibly leads to a total demand of 1000 km till 2035, which means a tripling (x3) of the current demand. [Note: The source text provided was already in English, so it is preserved as requested by the context of the input].
02Exclusion grounds
- No specific exclusion grounds were extracted. In a European tender, the mandatory and discretionary grounds of art. 2.86/2.87 of the Dutch Procurement Act almost always apply — check the European Single Procurement Document (ESPD).
03Value in context
The contracting authority did not publish an estimated value — common for a large share of contracts. The EU threshold for werken is € 5,54 M, for reference.
04Likely competitors
05Legal themes that may be relevant here
06Frequently asked questions
What is the scope of the planned works for the period 2026-2035?
What is the purpose of this qualification system?
In what manner will the procurement procedure take place?
Automatically compiled from the official tender data and documents.
07Estimated value versus the market
€ 1,4 mln
€ 3,6 mln
€ 9,1 mln
Gegunde waarden in CPV 45 · werken n=3159