Urban Rail Transport S.A. (STA.SY), which operates the Athens tram and metro networks, on Thursday announced the signature of a contract with Siemens Mobility SA for the installation of systems that will harness the kinetic power of braking trains and convert this into electricity, creating energy savings.
The project is part of a contract for the renovation of two metro Line 1 sub-stations and to fit trains with a system for recovering energy from the electric braking of the trains. The new system will be installed for the first time in a rail network in Greece and is estimated to recover up to 4,500 MWh of electricity per year, or 12.5% of the line's total annual consumption. Considered a primarily green energy project, its results will be assessed to gauge whether it will also be adopted for Line 2 and Line 3 of the metro system.
Apart from its environment, energy and financial benefits, the project is also expected to improve the reliability of the electricity network and reduce breakdowns caused by the old and now outdated equipment. A similar system is also planned for the substations of metro Line 4, which is now under construction.
The contractor Siemens Mobility SA was chosen through an international tender held on February 5, 2024 through the National System of Electronic Public Contracts. The 28-month project is financed by NSRF and was awarded to Siemens Mobility with a bid of 4,136,404.21 euros.
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