OpenServicesEuropeanSME-friendlyOpen
Supply and maintenance of high-voltage and low-voltage installations
Twence Holding B.V. · Open · 2 lots · 412772
6
6 of 6 core insights found
Measures presence, not accuracy · documents remain authoritative
ScopeAdvicePoints of attentionSuitability requirementsAward criteriaTimeline
Type
Services
50000000 · Repair and maintenance
Estimated value
Not published
To deadline
-67d
Apr 10, 2026 · 12:00
Knock-outs
0
exclusion grounds
Award basis
Best price-quality ratio
1 criteria
Promising — consider biddingconfidence high
This tender concerns the supply of personnel for the preventive and corrective maintenance of high- and low-voltage installations of Twence on call. The contractor must have qualified personnel, own tools, and the capacity to respond very quickly during malfunctions.
Services · Open · European procedure · SME-friendly
SME-friendlyEuropean
CharacteristicsCPV 50ServicesSME-friendlyEU tender
01What is being requested
Making personnel available on call for planned preventive and corrective electrotechnical maintenance works on the high-voltage and low-voltage installations of Twence at all locations and for all entities within the organization.
The Contracting Authority wishes to contract Contractor(s) for the execution of electrotechnical works on its own installations. The high- and low-voltage installations include, among others, the 110/10.5 kV transformers connected to the TenneT grid, high-voltage distributors, generators, and power transformers (primarily high-voltage) and electrotechnical works on installations (primarily low-voltage). The works concern both planned preventive and corrective maintenance, as well as project-based deployment and works during maintenance shutdowns. You cannot derive any rights from the expected
1Supply and maintenance of high-voltage installations—
2Supply and maintenance of low-voltage installations—
02Breakdown by lot
Per-lot values not published — bars show only the lot breakdown.
03Strategic insight
Strategic insight · AI analysis
<ul Ensure a flexible shell of qualified personnel to meet the strict 2-hour availability requirement during unplanned works. Set up the documentation processes and the online portal directly according to Twence standards, as this is a core component of quality assurance and lighting management. Verify whether the technical drawing department and the documentation system meet the requirements for providing diagrams in E-plan or Autocad.
04Points of attention
Important · 7
Availability: For unplanned works, qualified personnel must be available within 2 hours.Important
Personnel: For low voltage, a minimum of 8 skilled employees is required.Important
Tools: The contractor is responsible for their own mechanical, electrical, and hydraulic tools (except special auxiliary tools).Important
Lighting: For maintenance of lighting, the contractor must prepare/maintain a MJOP and have an online portal available with feedback and fault analyses.Important
Subcontractors: If third parties are engaged, a list of subcontractors must be submitted to Twence in advance for approval.Important
Documentation: Delivery of documentation (such as electrical diagrams in E-plan/Autocad and ITP) must be carried out according to the standard guidelines of Twence.Important
Accessibility: Outside of office hours, the contractor must be reachable by telephone at a number provided by the contractor.Important
05Can I take part?
Technical · 5
For low voltage: possessing at least 8 skilled employees with demonstrable experience for the specific works (qualified, certified, and technically skilled personnel).Technical
For high voltage: possessing employees with demonstrable experience for performing the specific works (qualified, certified, and technically skilled personnel).Technical
Possessing a technical drawing department and a documentation system.Technical
Possessing sufficient tools and measuring instruments or being able to call them up within a short time.Technical
Being able to make qualified employees available within a timeframe of 2 hours during unplanned works.Technical
06Exclusion grounds
Exclusion grounds — consult the ESPD
- 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).
07Award criteria
Priceweight n/a
The assignment is carried out on the basis of hourly rates in accordance with the Excel attachment to the price list in Mercell. For projects with fixed-price agreements, an open final calculation must be provided.
08Value in context
Estimate not published
The contracting authority did not publish an estimated value — common for a large share of contracts. The EU threshold for diensten is € 221.000, for reference.
09Likely competitors
#Likely bidderFitWins
1Unica Installatietechniek B.V.SME9424×
2Dynniq Nederland B.V.SME9233×
3Kropman Installatietechniek B.V.SME9117×
4Heijmans Utiliteit B.V.SME9019×
5Croonwolter&dros B.V.SME9018×
6Combinatie Heijmans - SWARCOUnknown8925×
10Tender documents
Beschrijving.pdfpdfMar 18, 2026 · 34 KB
Bankgarantie voor Twence.docxdocxFeb 20, 2026 · 128 KB
Gunning wensen.pdfpdfFeb 20, 2026 · 50 KB
Formele eisen.pdfpdfFeb 20, 2026 · 48 KB
Prijs.pdfpdfFeb 20, 2026 · 24 KB
Selectie eisen.pdfpdfFeb 20, 2026 · 47 KB
Perceel 1 - overeenkomst levering en onderhoud hoogspanning installaties.docxdocxFeb 20, 2026 · 349 KB
UEA Twence Holding B.V..pdfpdfFeb 20, 2026 · 78 KB
Inschrijvingsfase.pdfpdfFeb 20, 2026 · 29 KB
Inleiding.pdfpdfFeb 20, 2026 · 56 KB
Gunning eisen.pdfpdfFeb 20, 2026 · 77 KB
PBM-overzicht.pdfpdfFeb 20, 2026 · 194 KB
11Legal themes that may be relevant here
Advies 48> Europese niet-openbare procedure voor werktuigkundige en elektrotechnische installaties van de nieuwbouw van een multifunctionelAdvies 53> Europese openbare procedure voor een overheidsopdracht tot het verrichten van diensten bestaande uit (dagelijks en periodiek) scAdvies 67> Europese openbare procedure voor het sluiten van een raamovereenkomst met één opdrachtnemer voor onderhoudswerkzaamheden aan opeAdvies 59> Meervoudig onderhandse aanbestedingsprocedure met betrekking tot een opdracht voor de levering van postdiensten en bezorging. InAdvies 63> Meervoudig onderhandse aanbesteding voor het reinigen van wegen, straten en pleinen. Kan bij gunning op laagste prijs de indieni
12Frequently asked questions
What does the assignment for the electrotechnical works entail?
The assignment includes the supply and maintenance of high- and low-voltage installations, including 110/10.5 kV transformers connected to the TenneT grid, high-voltage distributors, generators, and power transformers. The works consist of planned preventive and corrective maintenance, as well as project-based deployment during maintenance shutdowns.
What specific experience is expected from the contractor?
The contractor is expected to have insight into the high-voltage infrastructure (110/10.5 kV) and the associated TenneT grid connections. Additionally, diagnostic capability is required for both preventive and corrective maintenance.
Is there a commitment to purchase associated with this assignment?
No, the contracting authority makes no commitment to purchase. No rights can be derived from the expected purchase.
What are the most important works regarding the maintenance planning?
The works include both preventive and corrective maintenance. Additionally, project-based works are carried out, specifically during planned maintenance shutdowns.
Automatically compiled from the official tender data and documents.
13Estimated value versus the market
p25
€ 350K
€ 350K
median
€ 1,0 mln
€ 1,0 mln
p75
€ 3,3 mln
€ 3,3 mln
deze opdracht
Gegunde waarden in CPV 50 · diensten n=1189