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• Alstom and SL enter a five-year support agreement for digital systems in the Movia C20 and C30 metro fleets;
• The agreement includes 24/7 monitoring, technical support, cybersecurity, software updates, and systems for real-time train performance analysis;
• The partnership ensures long-term digital reliability and a modern, future-proof metro system.
Alstom, a global leader in smart and sustainable mobility, has signed a five-year service level agreement (SLA) with Storstockholms Lokaltrafik (SL) (sl.se) to support and further develop the digital systems delivered by Alstom and currently in use in the Stockholm metro. The agreement, effective from 1 April 2025, is an extension of the existing rolling stock supply contract and covers the Movia C20 and C30 fleets. It also includes an option for a two-year extension. This strategic partnership ensures robust digital performance, enhanced cybersecurity, and continuous technological innovation for Stockholm’s metro operations.
As part of the agreement, Alstom will provide comprehensive operational support and further development of the digital systems that contribute to the metro’s operational reliability and efficiency. A 24/7 technical support service will ensure rapid incident handling to minimise operational disruptions. Continuous software updates and dedicated test environments will keep the systems current and ready to meet future demands. The systems covered by the agreement include remote diagnostics of vehicles, vehicle communication systems, CCTV transmission, and energy monitoring all designed to enhance passenger and staff safety, ensure real-time passenger information, and support efficient energy use and savings.
Alstom’s HealthHub platform enables real-time monitoring of train condition and performance, identifying maintenance needs before failures occur. This predictive maintenance capability reduces the risk of unexpected downtime and supports more reliable and efficient metro services.
“This partnership clearly reflects Alstom’s commitment to delivering dependable digital solutions. By entrusting Alstom with the operational support and continued development of these systems, we ensure they evolve in line with operational needs and rising cybersecurity demands. We are proud to contribute to a safer and more resilient public transport system,” says Maria Signal Martebo, Managing Director of Alstom Sweden.
In addition to the core services, Alstom will also offer tailored digital solutions, training for SL’s technical staff, and rapid response services in the event of critical cybersecurity threats. Together, these measures provide the foundation for a modern and future-ready metro infrastructure.
Alstom is the largest supplier to the Swedish rail market, with more than one thousand trains delivered and several major maintenance contracts in place. Alstom is also leading the rollout of the European Railway Traffic Management System (ERTMS) in Sweden, both onboard and trackside.
Alstom is also the market leader in rail services, supporting customers throughout the full lifecycle of their assets with the broadest service offering. Alstom’s digital solutions maximise availability, reliability, and performance of operators’ rail assets, through integrated, modular, and secure services for optimised operations and maintenance benefiting both operators and passengers alike.
ALSTOM™, Movia™ and HealthHub™ are protected trademarks of the Alstom Group.
About Alstom
Alstom (alstom.com) commits to contribute to a low carbon future by developing and promoting innovative and sustainable transportation solutions that people enjoy riding. From high-speed trains, metros, monorails, trams, to turnkey systems, services, infrastructure, signalling and digital mobility, Alstom offers its diverse customers the broadest portfolio in the industry. With its presence in 64 countries and a talent base of over 84,700 people from 184 nationalities, the company focuses its design, innovation, and project management skills to where mobility solutions are needed most. Listed in France, Alstom generated revenues of €17.6 billion for the fiscal year ending on 31 March 2024.
Press Contact Nordics: Johanna SVEDIN, Communications Director Nordics
T: +46(0)725 933 255 - E: johanna.svedin[.]alstomgroup.com.
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stephane.savignard[.]alstomgroup.com 
