Welcome to National Grid ESO

We make sure that Great Britain has the essential energy it needs by ensuring supply meets demand every second of every day. Find out more about what we do and how we keep the lights on for Great Britain.

About us

Landscape field at sundown

ESO publishes Winter Outlook 2022/23: Early view

Helping to inform the electricity industry and prepare for the winter ahead.

Read the report
Wind powerplant and technology

Electricity Explained - August snapshot

Ever wonder how much electricity is generated and used in Great Britain?

Each month, we look at how much of Great Britain's electricity generation came from sources such as wind, solar and biomass.

Find out what happened last month


Want to see the experts responsible for keeping Great Britain’s lights on? Keen to learn more about how we balance the grid? See our latest stories below.

NGESO_EV checking phone

ESO launches new initiative to connect electricity generation to the transmission system faster

The Electricity System Operator (ESO) has today announced a new approach to connections management, which aims to remove stalled projects taking space on the register so it can connect new projects more quickly.

NGESO Workers collaborating at whiteboard

Accelerating the transition to net zero

Today we have published our final RIIO-2 Business Plan 2 (BP2) submission, which sets out our commitments from April 2023 to March 2025 as we look to accelerate the transition to net zero.

NGESO - Man reads documents with glowlines

National Grid ESO confirms early detail of winter coal contracts

At the request of BEIS, the ESO has agreed contracts with Drax and EDF to extend the life of coal fired power plants this winter.

Wind powerplant and technology

Innovating for a net zero electricity system

We recently invited stakeholders across the energy sector to submit proposals for projects which have the potential to address some of the key challenges we are currently trying to solve in the energy system.

NGESO_Man with arms in the air celebrating

Road to Zero Carbon report

From coal to clean – National Grid ESO are on a journey to zero carbon.

NGESO_Mother and daughter hiking_simon-rae-Banner.jpg

Electricity and me

Does boiling the kettle really sap electricity, and are energy saving light bulbs that much better than their conventional cousins?