Regulator Profile
National Grid ESO
National Grid Electricity System Operator
System Operator2
Areas of regulation
UK-wide
Quick links
Grid Connection
System Operation
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.