Greece – Custom software development services – ΔΕΑ-525149

This tender from Independent Power Transmission Operator (ADMIE) in Greece seeks a contractor for the development, customization, implementation, support, and maintenance of an Outage Planning Information System. The system will optimize outage scheduling for the Hellenic Electricity Transmission System (ESMIE). Key tasks include mathematical model development, software implementation, integration with external systems (SAP, GIS, PSS/E, TNA), deployment on AWS, training, a 6-month warranty, and 3-year maintenance. The estimated total value is €2,100,000 (including up to €700,000 in options). Submission deadline is 2026-07-13T11:00:00Z. The tender is conducted in Greek under an open procedure. Only structured notice and XML notice were analyzed; full procurement documents were not reviewed.