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AwardedSuppliesEuropeanOpen

BESS (Battery Energy Storage System)

NOS · Open · 1 lots · 411193
Type
Supplies
31400000 · Accumulators, primary
Estimated value
€ 1,50M
estimated
To deadline
Ongoing
Knock-outs
1
exclusion grounds
Award basis
Best price-quality ratio
2 criteria
Assess manuallyconfidence high

The NOS is seeking a supplier for the supply, management, and preventive maintenance of a battery energy storage system (BESS) with a capacity of at least 4 MWh. The award will be based on the best price-quality ratio, where quality carries more weight than price.

Supplies · Open · European procedure

European1 exclusion groundsComplete timeline
Contracting authority
NOS
Noord-Holland
Contract type
Supplies
Open
Estimated value
€1,500,000
estimated value
Submission deadline
Ongoing
11:00
Scope
European
European procedure
Lots
1
1 lots
Main CPV code
31400000
Accumulators, primary cells and primary elements
Location
Hilversum, Noord-Holland
CharacteristicsCPV 31SuppliesEU tenderBESSbattery storagepeak shaving

01What is being requested

Supply of a fully operational BESS (Battery Energy Storage System) including LFP cell technology, a European EMS system, minimum 4 MWh capacity and an inverter of 2 MW. The contract also includes the preventive maintenance and management for a duration of five years with an option to extend by five years.

We are looking for one supplier to provide a fully operational BESS (minimum 4 MWh) and the preventive maintenance and management. The BESS is intended for peak shaving and supporting the national grid via aFFR (automatic Frequency Restoration Reserve) and passive imbalance mechanisms. The maintenance agreement will be concluded for a duration of five years, with the possibility to extend it by five years.

31400000€ 1,50MSupplies
1BESS (Battery Energy Storage System)€1,500,000

02Outcome

Awarded

iwell B.V.

Bidders
11

03Strategic insight

“
Strategic insight · AI analysis
<ul Ensure a timely application for the Gedragsverklaring aanbesteden (GVA), as the lead time is approximately eight weeks. Focus strongly on the quality requirements, as quality accounts for 70% and a minimum score of 6 is required to participate in the interview. Verify whether the technical specifications (LFP cell technology, European EMS, 4 MWh and 2 MW inverter) are fully guaranteed in the bid.
Read automatically from the tender documents using AI. Always verify against the original documents.

04Points of attention

Important · 6
The BESS must be placed at least 45 centimeters higher due to flooding.Important
Building costs for elevation and fencing are outside the scope.Important
The transformer and energy meters will be supplied and installed by Kenter.Important
The Gedragsverklaring aanbesteden (GVA) has a lead time of approximately eight weeks.Important
The Verklaring betalingsgedrag may not be older than six months at the time of bidding.Important
The Gedragsverklaring aanbesteden may not be older than two years at the time of bidding.Important

05Can I take part?

Professional capability · 2
Possession of a quality management system for the duration of the agreement (e.g., ISO 9001:2015 or similar).Professional capability
Possession of a recognized information security standard for the duration of the agreement (e.g., ISO 27001:2022 or similar).Professional capability
Exclusion ground · 1
No criminal convictions (to be demonstrated via UEA).Exclusion ground

06Exclusion grounds

Exclusion grounds (1)
  • No criminal convictions (to be demonstrated via UEA).

07Award criteria weighting

Price 30%Quality 70%
Homogeneous unit (%) · sum 100% · gate passed

08Process & timeline

Deadline for submitting questions
woensdag 25 februari 2026 11:00
Deadline for answering questions
vrijdag 6 maart 2026
Deadline for submission of bids and supporting documents
vrijdag 20 maart 2026 11:00
Invitation to interviews
vrijdag 27 maart 2026
Interviews
dinsdag 31 maart 2026
Notice of intent to award
vrijdag 3 april 2026
Final award
vrijdag 24 april 2026

09Value in context

€1,500,000

10Bidders in this segment

#Likely bidderFitWins
1iwell B.V.SME711×
2HMB Solar Nederland B.V.SME711×
3Baas B.V.SME653×
4ABBUnknown583×
5Croonwolter&dros B.V.SME573×
6Batterij Adviseurs B.V.SME561×

11Tender documents

FotopdfFeb 7, 2026 · 717 KB
uea_566297_20260205151148pdfFeb 7, 2026 · 339 KB
Hoe we beoordelenpdfFeb 7, 2026 · 154 KB
Concept overeenkomstpdfFeb 7, 2026 · 373 KB
LeidraadpdfFeb 7, 2026 · 212 KB
KwaliteitswensenpdfFeb 7, 2026 · 77 KB
Procedurele regels en juridisch kaderpdfFeb 7, 2026 · 124 KB
TN566297 - EF16 Aankondiging van een opdracht - algemene richtlijn, standaardregeling 20260205164532pdfFeb 7, 2026 · 142 KB
SleutelfunctionarisdocxFeb 7, 2026 · 32 KB
PrijsdocumentxlsxFeb 7, 2026 · 21 KB
Beschrijving aanbestedingsprocespdfFeb 7, 2026 · 52 KB
Verklaring Russische betrokkenheidpdfFeb 7, 2026 · 64 KB

12Legal themes that may be relevant here

13Frequently asked questions

What is the minimum capacity of the battery storage system to be supplied?
The requested Battery Energy Storage System (BESS) must have a minimum capacity of 4 MWh.
For what purpose is the BESS system deployed?
The system is intended for peak shaving and supporting the national electricity grid via aFFR (automatic Frequency Restoration Reserve) and passive imbalance mechanisms.
What is the term of the agreement for maintenance and management?
The agreement for preventive maintenance and management is concluded for a duration of five years, with the possibility to extend it by another five years.
Which activities are included in the assignment?
The assignment includes the supply of a fully operational BESS system, the commissioning, and the preventive maintenance and management of the system.

Automatically compiled from the official tender data and documents.

14Estimated value versus the market

p25
€ 260K
median
€ 526K
p75
€ 1,4 mln
€ 1,5 mln

Gegunde waarden in CPV 31 · leveringen n=168