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Documents to submit

✓Bid form — attachment no. 1
✓Declaration of non-exclusion
✓List of supplies from the last 3 years
✓Liability insurance — min. 120 000 €
✓Proof of bid bond payment
✓Power of attorney, if signed by an agent

AI warnings from documentation

❗Bid bond 3 500 € — payment before submission deadline
⚠Required 2 references after min. 90 000 €
⚠Completion deadline 30 days from signing
⚠Mandatory site visit — rejection if missed
✓No ISO certificate requirement

Budget and competition

3median number of bids

24%tenders with one bid

✓Amount from bid opening for this buyer
✓Who won there before and for how much
✓Suggested price range based on data

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Germany – Electrical power installations – Waterworks Curslack; construction of battery storage - Battery Energy Storage System, BESS (IW-22/01-200-002)

TED Hamburger Wasserwerke GmbH, Vergabemanagement

COUNTRYGermany

SUBMISSION DEADLINE25.09.2026

PUBLISHED19.08.2026

INDUSTRYConstruction work

SUBJECT OF THE CONTRACT

Design and construction of a 10 MWh containerized Battery Energy Storage System (BESS), including inverters, transformers, and a building housing medium-voltage switchgear, controllers, and communication technology in Hamburg.

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In this sector (Construction work) bids can still be submitted in 2 454 procedures — deadlines within 14 days.

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This buyer in the last 12 months

Hamburger Wasserwerke GmbH, Vergabemanagement: 3 notices.
Most frequent winners: ARGE Mittelweser-Tiefbau Beverstedt Gmb… (1), BHK Tief- und Rohrbau GmbH & Co. KG (1), Ehlen Tiefbau (1).

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