Buyer · Metro corporation

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ΣΤΑΘΕΡΕΣ ΣΥΓΚΟΙΝΩΝΙΕΣ ΜΟΝΟΠΡΟΣΩΠΗ Α.Ε. (STASY S.A. — Urban Rail Transport)

Live now: 1 tender, largest STASY upgrade air-conditioning twelve six-car Series I ($100–500m); holds relationships with CAF, Alstom.

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Type: Metro corporation — the Athens urban rail operator: a public railway undertaking within the state holding company (Υπερταμείο), holding a single safety certificate and providing passenger services only, on the authority of the national safety authority's 2024 report
Market · Region: European Union · Greece
Open tenders: 1
Technology areas: Rolling-stock hardware, Predictive maintenance, Signalling & train control, Digital operations, AI inspection, Track & civil, Cybersecurity

Operates and maintains Athens urban rail Lines 1, 2, 3 and tram.

About this buyer

Operates and maintains Athens urban rail — Line 1, metro Lines 2 and 3 and the tram — and buys the fleet work that goes with it: train upgrades and retrofits, bogie overhauls, rail replacement on its own lines, station and rolling-stock cleaning and system security. Its two largest procurements in the window are rolling-stock upgrades: the turn-key refurbishment of fourteen five-car Line 1 trains and the upgrade and air-conditioning of twelve six-car Series I trains on Lines 2 and 3.

Type: Metro corporation — the Athens urban rail operator: a public railway undertaking within the state holding company (Υπερταμείο), holding a single safety certificate and providing passenger services only, on the authority of the national safety authority's 2024 report
Where: Greece · Athens
Technology areas: Rolling-stock hardware, Predictive maintenance, Signalling & train control, Digital operations, AI inspection, Track & civil, Cybersecurity

Structure

regulated by RAS — Licensing and safety certification: STASY holds a single safety certificate as a public railway undertaking providing passenger services (active)
owned by Υπερταμείο — STASY is a public railway undertaking within the state holding company (active)

Who holds what here

awarded Alstom — ΤΔ-028/25: ALSTOM TRANSPORT SA holds the general overhaul of the bogies of five Series II trains and the supply of pseudo-bogies (active · since 2026-02-06)
awarded CAF — ΤΔ-156/21: CAF SA holds the turn-key upgrade of fourteen five-car Athens Metro Line 1 trains, winning tender (active · since 2022-12-14)

Contract detail and values (4)$25–100m · $5–25mIn the European Union edition See a fully open example

Sources for these relationships (4)

● Ρυθμιστική Αρχή Σιδηροδρόμων (RAS) — National Safety Authority · NSA Ετήσια Έκθεση Ασφάλειας 2024 / Annual Safety Report 2024 — the authority's own report: 9 significant accidents in 2024 against 7 in 2023 and a five-year average of 9.4; 6 fatalities in 2024 against 59 in 2023, of which 57 were in the Tempi accident, against a five-year average of 16.8; the licensed railway undertakings are Hellenic Train (formerly TRAINOSE, part of Ferrovie dello Stato Italiane), STASY (a public undertaking within the state holding company (Υπερταμείο)), Rail Cargo Logistics Goldair, GFR (Romanian, operating in Greece since 2022) and PEARL (licensed but not certified and not yet operating); Hellenic Train is also a certified entity in charge of maintenance; GAIAOSE is the public undertaking that owns and manages the existing national rolling-stock fleet under the supervision of the state holding company (Υπερταμείο); the national investigation body is EODASAAM (published 2026-04 · checked 2026-09-13)
● European Union — Tenders Electronic Daily (TED) · Greece – Repair and maintenance services of rolling stock – ΤΔ-028/25 Παροχή υπηρεσιών γενικής επισκευής φορείων πέντε (5) συρμών σειράς ΙΙ & προμήθεια ψευδοφορείων — contract award notice, buyer ΣΤΑΘΕΡΕΣ ΣΥΓΚΟΙΝΩΝΙΕΣ ΜΟΝΟΠΡΟΣΩΠΗ Α.Ε.: winner ALSTOM TRANSPORT SA, total and payable amount EUR 6,252,400 against an estimated overall contract amount of EUR 6,400,000, contract dated 6 February 2026, reference 25PROC016753547 (published 2026-07-03 · checked 2026-09-13)
● European Union — Tenders Electronic Daily (TED) · Greece – Parts of locomotives or rolling stock – ΤΔ-156/21 - ΑΝΑΒΑΘΜΙΣΗ ΣΥΡΜΩΝ ΤΗΣ ΓΡΑΜΜΗΣ 1 — contract modification notice, buyer ΣΤΑΘΕΡΕΣ ΣΥΓΚΟΙΝΩΝΙΕΣ ΜΟΝΟΠΡΟΣΩΠΗ Α.Ε.: turn-key upgrade of fourteen five-car Line 1 trains, seventy vehicles in all, plus spares; winning tendering party CAF SA with a payable amount of EUR 65,494,301; notice total EUR 71,716,259.59; settled contract dated 14 December 2022 (published 2025-07-09 · checked 2026-09-13)
● European Union — Tenders Electronic Daily (TED) · Greece – Parts of locomotives or rolling stock – ΤΔ-156/21 - ΑΝΑΒΑΘΜΙΣΗ ΣΥΡΜΩΝ ΤΗΣ ΓΡΑΜΜΗΣ 1 — second contract modification notice two days after 446885-2025, same buyer, same contractor CAF SA and the same winning-tender payable amount of EUR 65,494,301, but a notice total of EUR 71,703,673.59 (published 2025-07-11 · checked 2026-09-13)

Tenders

Tender	Status	Value band	Next key date
STASY upgrade air-conditioning twelve six-car Series I	Open	$100–500m	Closes October 2026
STASY turn-key upgrade fourteen five-car Line 1	In execution	$25–100m	Awarded December 2022
STASY general overhaul bogies five Series II	In execution	$5–25m	Awarded February 2026

Withheld in the free surface

Procurement structure
Published contacts (5)
Award history (2)
Entry path
Portals (2)

Full detail withheld: 5 fields. In the European Union edition · See a fully open example

8 sources · all primary

● ΣΤΑΣΥ Α.Ε. (STASY — Σταθερές Συγκοινωνίες) · www.stasy.gr — the operator's own site, named as its web address on its own TED notices; the site returns HTTP 403 to this machine, so STASY is sourced from its own notices (published 2026 · checked 2026-09-13)
● Ελληνική Δημοκρατία — Εθνικό Σύστημα Ηλεκτρονικών Δημοσίων Συμβάσεων (ΕΣΗΔΗΣ) · promitheus.gov.gr — the Greek national e-procurement system, named as the buyer-profile or submission endpoint on Greek rail notices (published 2026 · checked 2026-09-13)
● Ρυθμιστική Αρχή Σιδηροδρόμων (RAS) — National Safety Authority · NSA Ετήσια Έκθεση Ασφάλειας 2024 / Annual Safety Report 2024 — the authority's own report: 9 significant accidents in 2024 against 7 in 2023 and a five-year average of 9.4; 6 fatalities in 2024 against 59 in 2023, of which 57 were in the Tempi accident, against a five-year average of 16.8; the licensed railway undertakings are Hellenic Train (formerly TRAINOSE, part of Ferrovie dello Stato Italiane), STASY (a public undertaking within the state holding company (Υπερταμείο)), Rail Cargo Logistics Goldair, GFR (Romanian, operating in Greece since 2022) and PEARL (licensed but not certified and not yet operating); Hellenic Train is also a certified entity in charge of maintenance; GAIAOSE is the public undertaking that owns and manages the existing national rolling-stock fleet under the supervision of the state holding company (Υπερταμείο); the national investigation body is EODASAAM (published 2026-04 · checked 2026-09-13)
● European Union — Tenders Electronic Daily (TED) · Greece – Tramway passenger coaches – ΑΝΟΙΚΤΟΣ ΔΙΕΘΝΗΣ ΗΛΕΚΤΡΟΝΙΚΟΣ ΔΙΑΓΩΝΙΣΜΟΣ ΓΙΑ ΤΗΝ ΑΝΑΒΑΘΜΙΣΗ ΣΥΡΜΩΝ ΚΑΙ ΕΓΚΑΤΑΣΤΑΣΗ ΚΛΙΜΑΤΙΣΤΙΚΩΝ ΣΕ ΣΥΡΜΟΥΣ ΠΟΥ ΕΞΥΠΗΡΕΤΟΥΝ ΤΙΣ ΓΡΑΜΜΕΣ 2 & 3 ΤΟΥ ΜΕΤΡΟ ΑΘΗΝΑΣ — contract notice, buyer ΣΤΑΘΕΡΕΣ ΣΥΓΚΟΙΝΩΝΙΕΣ ΜΟΝΟΠΡΟΣΩΠΗ ΑΝΩΝΥΜΗ ΕΤΑΙΡΕΙΑ: a turn-key contract to upgrade, test and commission twelve six-car Series I trains, seventy-two vehicles in all, at 750 V dc nominal, and to fit air conditioning; estimated overall contract amount EUR 109,000,000, participation deadline 19 October 2026; buyer contact point tenders_contracts@stasy.gr, telephone 2144141200 (published 2026-09-04 · checked 2026-09-13)
● European Union — Tenders Electronic Daily (TED) · Greece – Tramway passenger coaches – the July 2026 publication of the same STASY procedure to upgrade and air-condition twelve six-car Series I trains on Athens Metro Lines 2 and 3, estimated overall contract amount EUR 109,000,000, participation deadline 3 September 2026 (published 2026-07-21 · checked 2026-09-13)
● European Union — Tenders Electronic Daily (TED) · Greece – Repair and maintenance services of rolling stock – ΤΔ-028/25 Παροχή υπηρεσιών γενικής επισκευής φορείων πέντε (5) συρμών σειράς ΙΙ & προμήθεια ψευδοφορείων — contract award notice, buyer ΣΤΑΘΕΡΕΣ ΣΥΓΚΟΙΝΩΝΙΕΣ ΜΟΝΟΠΡΟΣΩΠΗ Α.Ε.: winner ALSTOM TRANSPORT SA, total and payable amount EUR 6,252,400 against an estimated overall contract amount of EUR 6,400,000, contract dated 6 February 2026, reference 25PROC016753547 (published 2026-07-03 · checked 2026-09-13)
● European Union — Tenders Electronic Daily (TED) · Greece – Parts of locomotives or rolling stock – ΤΔ-156/21 - ΑΝΑΒΑΘΜΙΣΗ ΣΥΡΜΩΝ ΤΗΣ ΓΡΑΜΜΗΣ 1 — contract modification notice, buyer ΣΤΑΘΕΡΕΣ ΣΥΓΚΟΙΝΩΝΙΕΣ ΜΟΝΟΠΡΟΣΩΠΗ Α.Ε.: turn-key upgrade of fourteen five-car Line 1 trains, seventy vehicles in all, plus spares; winning tendering party CAF SA with a payable amount of EUR 65,494,301; notice total EUR 71,716,259.59; settled contract dated 14 December 2022 (published 2025-07-09 · checked 2026-09-13)
● European Union — Tenders Electronic Daily (TED) · Greece – Parts of locomotives or rolling stock – ΤΔ-156/21 - ΑΝΑΒΑΘΜΙΣΗ ΣΥΡΜΩΝ ΤΗΣ ΓΡΑΜΜΗΣ 1 — second contract modification notice two days after 446885-2025, same buyer, same contractor CAF SA and the same winning-tender payable amount of EUR 65,494,301, but a notice total of EUR 71,703,673.59 (published 2025-07-11 · checked 2026-09-13)

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