The majority of transmission investment will be in Scotland

Estimated regional transmission investment over RIIO ET3 - April 2026 to March 2031 (2025 £bn)

Chart: Centre for British ProgressSource: Ofgem - RIIO-3 Final Determinations - Finance Annex - Appendix 2. RAV additions and Fast money converted to 2025 values using UK CPI (ONS) and assuming 2% inflation in future years.Get the dataCreated with Datawrapper