Regulator profile
National Grid ESO
National Grid Electricity System Operator
System Operator2 areas of regulation · Great Britain
What National Grid ESO does
Operates the electricity transmission system in Great Britain. Manages grid connections, balancing services, and system security. Now transitioning to NESO (National Energy System Operator).
Additional information
Becoming NESO in 2024/25. Key for grid connection applications and queue management.
Contact National Grid ESO
Types of regulation
Grid Connection
System Operation
Coverage area
Great Britain
Covers England, Scotland, and Wales. Northern Ireland may have separate arrangements.