Published
Διαγωνισμος τδ-039/26-τευχος διευκρινισεων
Notice number: 26PROC019824524
KEY INFORMATION
- Submission deadline
- • Oct 29, 2026
- Location
- 🇬🇷 Greece
- Contracting authority
- Σταθερες συγκοινωνιες α.Ε. (Στασυ)
- Accepted Languages
- Greek
- Tender type
- Contract Value
- Published date
- Sep 21, 2026
TENDER DESCRIPTION
This tender seeks the supply and installation of a 970.83 kWp net-billing photovoltaic system at STASY S.A.'s Hellenic depot, designed to fulfill the entity's energy needs and export surplus power to the grid. The comprehensive scope includes the provision and installation of monocrystalline silicon, half-cell, flat-type PV panels with by-pass diodes, along with all associated electrical infrastructure, an earthing system, and a robust monitoring system compliant with PVSYST/PVSOL, Windows environments, and various data protocols. Key technical requirements include a guaranteed Performance Ratio of at least 80% and a two-year good operation warranty. The contractor will be responsible for final design, complete installation, HEDNO network connection, mandatory permit acquisition, personnel training, and an Operation and Maintenance program, with the entire installation to be operational within twelve months from the Final Connection Offer. Prospective bidders must demonstrate an average annual turnover equivalent to or greater than 100% of the project's budget (excluding VAT) for the past three financial years (2023-2025) and ensure no negative balance sheet results during this…
TENDER BRIEF
The contract has an estimated duration of 12 months. The contractor is required to deliver the photovoltaic installation, fully installed and operational, within twelve months from the date the Final Connection Offer is issued.
Key dates mentioned in the tender process are:
- The deadline for receiving offers is September 29, 2026, at 14:00 (UTC+03:00).
- Offers must remain valid for 6 months.
- The unsealing date is September 30, 2026, at 11:00 (UTC+03:00).
The contract is considered concluded upon notification of the invitation to the contractor for signing, with a 15-day deadline for signing after this notification.
The contract start date and end date are not explicitly stated as specific calendar dates, but the duration is clearly defined as 12 months from the issuance of the Final Connection Offer. No other specific key milestones or phases are detailed with specific dates.
Sources
- 126PROC019707316.pdf — “ηλεκτρομηχανολογικού εξοπλισμού 5.1.2. Τόπος εκτέλεσης Πόλη: Αθήνα Ταχυδρομικός κώδικας: 105 52 Υποδιαίρεση χώρας (NUTS): Κεντρικός Τομέας Αθηνών (EL303) Χώρα: Ελλάδα 5.1.3. Εκτιμώμενη διάρκεια Διάρκεια: 12 Μήνες 5.1.4.…”
- 2ΨΟΥΟΟΡΛΟ-ΨΝΧ.pdf — “η τήρηση της ενδικοφανούς διαδικασίας που προβλέπεται στο άρθρο 205 του ν. 4412/2016 και την παράγραφο 5.3 της παρούσας, διαφορετικά η προσφυγή απορρίπτεται ως απαράδεκτη. Αν ο ανάδοχος της σύμβασης είναι κοινοπραξία, η…”
The core scope of work for this tender involves the supply and installation of a photovoltaic system with a power of 970.83 kWp at the STASY S.A. facilities located at the Hellenic depot, specifically at the end of Aeroporias street. The energy generated by this system will serve STASY's energy requirements and will also be fed into the grid through a Net Billing scheme.
The main deliverables include:
- Supply and Installation:
- Photovoltaic Panels (PV Panels).
- Metal Mounting Bases for Photovoltaic Panels.
- DC/AC Power Converters (Inverters).
- Direct Current (DC) Distribution Network.
- Low Voltage Alternating Current (AC) control and protection panels.
- Low Voltage Alternating Current (AC) Distribution Network.
- Earthing and Equipotential Protection System.
- Monitoring, supervision, control, and production data collection system.
- Production recording metering device, compliant with HEDNO's guidelines for self-producing photovoltaic installations.
- Services:
- Final design of the photovoltaic station based on the contractor's offer.
- Transportation of all necessary materials to the installation site.
- Placement and installation of all supplied items.
- Site configuration, including earthworks for trench excavation, if required for the implementation of the offer.
- Connection of the photovoltaic station to the HEDNO distribution network, adhering to HEDNO's instructions for net billing systems.
- Obtainment of all mandatory permits for legal network connection, such as approval for small-scale building works, readiness statements, and handling the interconnection process with HEDNO.
- Preparation and submission of an Electrician's Responsible Declaration required for the photovoltaic station's connection.
- Training of STASY personnel.
- Detailed Operation and Maintenance Program.
- Good operation guarantee for the entire photovoltaic station for two years from final acceptance, irrespective of operating hours.
Sources
- 1ΨΟΥΟΟΡΛΟ-ΨΝΧ.pdf — “του οικονομικού έτους 2027 του ως άνω Φορέα. 1.3 Συνοπτική Περιγραφή φυσικού και οικονομικού αντικειμένου της σύμβασης Αντικείμενο της σύμβασης είναι η προμήθεια και εγκατάσταση φωτοβολταϊκού συστήματος ισχύος 970,83 kWp…”
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DIRECTORY • 7 FILES
- espd-request-v2 (34).pdf440 KBPDF
- espd-request-v2 (20).xml218 KBXML
- ΠΑΡΑΡΤΗΜΑ IΙ.docx16 KBDOCX
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