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SR 400 MVA 400 kV Power Transformer (Synthetic Ester Oil) and 63 MVAr 21 kV Variable Shunt Reactor (VSR) Synthetic Ester Oil-Immersed

FIFinland · Helsinki

Your path to submission

  1. Deadline for requests to participate: 12 November at 14:00 — 11 days left. Two-stage procedure: by this deadline you submit a request to participate (proof of eligibility). Only shortlisted firms are then invited to submit a tender.
  2. You submit on Hilma — not here and not by e-mail. ↗
  3. Offer and evidence in: English.
  4. Collect your evidence — the eligibility requirements are listed on this page; for many of them the analysis explains how to obtain them.
Compiled automatically from notice and documents — no guarantee; the procedure's wording is binding.

What the buyer is looking for

Helen Sähköverkko Oy is building new 400 kV substation in Sörnäinen, Helsinki Finland. Subject of the procurement is delivery of power transformer and VSR reactor for Helen Sähköverkko Oy. Intended delivery of power transformer and VSR reactor is year 2030. With this invitation to participate Helen Sähköverkko Oy is looking for capable and interested candidates to deliver the needed power transformer and VSR reactor. The delivery of power transformer and VSR reactor, including all needed transportation and erections, will be performed as turnkey deliveries. The transformer and VSR reactor deliveries will be separate from the substation construction project performed by other contractors, however, there is a need to coordinate the delivery with the construction work at site. Delivery of 400 / 400 / 125 MVA, 410 ± 6 x 1,33 % / 120 / 21 kV power transformer (Synthetic Ester Oil), equipped…

Show full description

… with on-load tap-changer, including: - Manufacturing of transformer with fittings and accessories - Testing - All necessary logistics e.g. - Sea transportation to Finland - Loading and unloading on the railway cart - Loading and unloading on road truck and transport to the site - Supplier may choose the means and route of transportation - All organizational work needed for logistics: arrangement of transportation from factory to site, customs clearance and forwarding - Unloading on the foundation - Erection, testing and commissioning at site. Delivery of 63 MVAr 21 kV Variable Shunt Reactor (VSR) Synthetic Ester Oil-Immersed including: - Manufacturing of reactor with fittings and accessories - Testing - All necessary logistics e.g. - Sea transportation to Finland - Loading and unloading on the railway cart - Loading and unloading on road truck and transport to the site - Supplier may choose the means and route of transportation - All organizational work needed for logistics: arrangement of transportation from factory to site, customs clearance and forwarding - Unloading on the foundation - Erection, testing and commissioning at site.

Contract

BuyerHelen Electricity Network Ltd. (Helen Sähköverkko Oy)
TypeSupplies
Estimated valuevalue not published
Published29 Oct 2026
ProcedureNegotiated procedure with prior publication
Contract period31 Mar 2027 → 31 Dec 2029
Reserved for SMEs

Type of service

31 · Electrical machinery
CPV 31170000
Clement
References and certificates from your home country count fully across the EU — that is what European procurement law is for.

Selection criteria — in the procurement documents

The buyer states in the notice that the selection criteria are in the procurement documents (link on this page), not in the EU form. The document analysis below extracts them from there — bid and evidence in English.

Tender documents — direct download

⤓
Annex 1
Specifications and annexes at the buyer — usually viewable without registration
⤓
Administrative conditions
The full notice, official wording

Contracting authority contact

·
Deadline — Thursday 12 November at 14:00
Deadline for requests to participate

Tactics

When contracts were awarded in this country and sector, usually about 3 bids came in. A normal field for this market. (Based on 290 completed awards — not a statement about this procedure.)

This procedure allows 15 days between publication and deadline — typical in this country is 32 (median of 1,471 procedures). Much tighter than usual: the first week counts.

Foreign bidders

In Finland · Electrical machinery, 5 contracts went to foreign companies over the last 3 years (of 486 recorded awards).

Submission language: English.

Measured from linked award data; foreign winners bidding through a local subsidiary count as domestic — the true share is higher.

How to bid

Read the full notice — Original + documents
Goes directly to this tender on TED — Tenders Electronic Daily. The full specification and all annexes are there.
This procedure is published on 2 portals
Bids are submitted on Hilma — TED carries the same notice, usually with the more detailed specification. Read both.
TEDNoticeHilmaSubmission portal
Put together the evidence — in English
Certificates, references and your price — as set out in the notice.
Submit via TED — Tenders Electronic Daily before the deadline
Electronic submission — allow time for the portal registration the first time.
To the procurement portal →Official notice on TED →
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