We are a separate company

On 1 April the Electricity System Operator became a legally separate company within the National Grid Group. Find out more about what this change means.

Charging policy developments

On this page you will find consultation documents and policy developments and decisions.

Charging methodology policy decisions

These are policy decisions documents relating to TNUoS charging methodology that are not codified within the CUSC.

Open letters, consultations and notices

These documents are open letters and informal consultations relating to TNUoS charges.

Would you like to get involved?

We host a variety of forums and sessions through the course of the year and you're welcome to get involved. 

If you'd like to receive regular updates on TNUoS and BSUoS, including invitations to our forums and training sessions, please click here to subscribe to our e-newsletters.


Charging Futures

Charging Futures is a programme coordinating significant reform of electricity access and charging arrangements in close collaboration with users of GB's electricity network. To find out more please visit the dedicated website. 

Go to Charging Futures