🇬🇧 United Kingdom Electrical Grid

Reference profile of the United Kingdom electricity grid — grid frequency, synchronous area, and the main transmission & distribution operators with their operating voltages. Compiled from the TransformerPath worldwide grid census.

Grid operators

Related TransformerPath

Transformer-relevant projects

• Eastern Green Link 1 (EGL1, 525 kV HVDC, Torness–Hawthorn Pit) · 525 kV HVDC (2 GW) · construction
• Eastern Green Link 2 (EGL2, 525 kV HVDC, Peterhead–Drax) · 525 kV HVDC (2 GW) · construction
• Eastern Green Link 3 (EGL3, 2 GW HVDC) · HVDC (2 GW) · awarded
• Eastern Green Link 4 (EGL4, 2 GW HVDC, Fife–Norfolk) · HVDC (2 GW) · awarded
• Scotland–England Green Link (SEGL, superhighway) · HVDC · planned
• LionLink (GB–Netherlands HVDC interconnector) · HVDC · planned
• NeuConnect (1.4 GW UK–Germany HVDC interconnector) · HVDC (1.4 GW) · construction
• Viking Link (1.4 GW UK–Denmark HVDC interconnector) · HVDC (1.4 GW) · energized
• Bramford–Twinstead 400 kV reinforcement · 400 kV · planned
• Norwich–Tilbury 400 kV reinforcement · 400 kV · planned
• London Power Tunnels (400 kV underground) · 400 kV · energized
• Hinkley Point C Connection (400 kV) · 400 kV · construction
• Didcot substation upgrade (data centres & battery storage) · 400 kV · construction
• Greenlink (Wales–Ireland HVDC interconnector) · HVDC · energized
• Blackhillock BESS (battery storage at 400 kV substation) · n/a · construction

Reference profile from the TransformerPath grid census; operator, voltage and frequency data are as recorded and may change. Report a correction.