Project Aurora: Electrostars Modernize UK Rail Fleet for Passengers
South East’s Electrostar train fleet undergoes a GBP 100 million upgrade! New features enhance passenger experience and improve **railway** **reliability** across key routes.

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Introduction
A GBP 100 million modernization program has been completed on the South East’s largest train fleet, upgrading 1,222 carriages across 304 Electrostar trains used by Southern, Gatwick Express, Great Northern and Southeastern.
Upgrades and Enhancements
The five-year Project Aurora, executed by engineers at the Selhurst depot in South London, has enhanced the passenger experience. The upgrades include plug and USB sockets, LED lighting, improved Wi-Fi, new passenger information screens, and a digital “backbone” designed to speed up maintenance and reduce downtime. The final unit, Southern train 387305, returned to passenger service last weekend.
Project Scope and Execution
At its peak, the project saw two trains upgraded each week. The modernization initiative involved the installation of 280 km of wiring, 39,000 LED tubes, and 36,000 power sockets. The project was funded by Porterbrook.
Benefits and Improvements
The Electrostar fleet now features enhanced accessibility, passenger-counting technology, and upgraded CCTV systems. These improvements are intended to boost reliability, comfort, and safety across routes in London, Sussex, Surrey, Hampshire, and Kent. The modernization scheme has produced advantages for passengers on some of the country’s busiest routes.
Conclusion
The Project Aurora, a GBP 100 million endeavor, successfully upgraded 1,222 carriages across 304 Electrostar trains. The project, which included enhancements such as new passenger information screens, was completed on time and within budget, with the final unit, Southern train 387305, returning to service last weekend.
Company Summary
Southern: A train operating company.
Gatwick Express: A train operating company.
Great Northern: A train operating company.
Southeastern: A train operating company.
Porterbrook: A company that funded the Project Aurora.
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