Rețele Electrice Romania has launched a €12 million tender for the supply and installation of prefabricated 24 kV medium-voltage "Minibox" distribution substations, with bids open until May 25, 2026.

Tender Overview

Rețele Electrice Romania, a subsidiary of the PPC Group, is modernizing its electricity distribution network through a tender valued at approximately €12 million (RON 59 million) for factory-assembled secondary substations in precast concrete enclosures . These compact "Minibox" units are designed for rapid deployment, reduced on-site construction time, and enhanced operational safety. The installations will be integrated into the company's remote monitoring and control systems, improving grid management efficiency and reliability .

Technical Specifications

• Voltage Level: 24 kV medium-voltage systems
• Type: Prefabricated concrete transformer stations ("Minibox")
• Design Goals: Space optimization, resilience against climate-related disruptions, and support for decentralized energy sources
• Installation Duration: Pre-assembled units reduce on-site construction time
• Integration: Units will be connected to Rețele Electrice Romania's remote monitoring systems for operational efficiency

Project Scope and Timeline

• Contract Duration: 48 months (4 years)
• Delivery Period: Staged over the contract term
• Geographical Coverage: Networks across Muntenia Sud (including Bucharest), Banat, and Dobrogea, covering one-third of Romania's distribution market
• Objective: Increase distribution capacity, facilitate integration of new energy sources, and connect new consumers amid rising electricity demand

Bidding and Eligibility

• Deadline for Submission: May 25, 2026
• Procurement Platforms: Offers must be submitted via SEAP (Electronic System for Public Procurement), Romania's official e-procurement platform
• Eligibility: Open to companies capable of fulfilling technical and legal requirements; additional points awarded for compliance with ISO 14040 environmental standards
• Legal Framework: Governed by Law No. 98/2016, aligned with EU Directives 2014/24/EU and 2014/25/EU

Additional Considerations

• The tender emphasizes sustainable practices, encouraging bidders to demonstrate environmental management procedures.
• Standardized units are intended to maximize space efficiency at distribution sites and enhance resilience against climate change.
• The project supports Romania's broader energy strategy, including integration of decentralized generation and modernization of aging infrastructure . For companies interested in participating, it is recommended to review the tender documents on SEAP and ensure compliance with technical, environmental, and legal requirements before the submission deadline.