Wales completes Rhymney Line electrification under South Wales Metro
- Location
- Cardiff Central to Rhymney, via Caerphilly and Bargoed (South Wales Valleys, Wales) · 🇬🇧 United Kingdom
- Project
- Rhymney Line electrification
- Investment
- Not separately quantified for the Rhymney line alone; the 2012-announced electrification was part of a combined package with the South Wales Main Line (Cardiff–Swansea) and the South Wales Valley Lines, with a joint total cost of around GBP 350 million
- Status
- Completed / electrified (in operation)
The Rhymney line (Cardiff Central to Rhymney, about 36.6 km / 22 miles 61 chains, via Caerphilly and Bargoed) has been fully electrified as part of the South Wales Metro programme. Construction work started in March 2025 and was completed in December 2025, as part of the South Wales Valley Lines electrification programme first announced in 2012 and repeatedly delayed since. New Class 756 tri-mode multiple units are planned for the line; the necessary resignalling work had already been completed in 2013.
Source: en.wikipedia.org ↗ · Archived copy ↗
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