Ofgem

London – October 15, 2026 -- National Grid has asked Ofgem to approve 19 electricity transmission projects worth around £4.5 billion across England and Wales, filed under the RIIO-T3 load re-opener process.

Package combines £2.3bn from May with £2.2bn filed in October

The £4.5 billion total comprises £2.3 billion across six projects already submitted in the May re-opener, which are progressing through Ofgem's assessment. A further £2.2 billion is proposed in the October submission. Re-opener figures are in 2023/24 prices, in line with Ofgem's guidance for RIIO-T3 price control submissions.