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9 April 2021
We make sure that Great Britain has the essential energy it needs by making sure 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.
Find out who to contact when there's a power cut
Find the latest Firm frequency Response data, BSUOS forecasts, and other daily demand and supply reports.
Download code documents like the Grid Code and CUSC and see the latest modifications.
Find out about the connections process, roles and responsibilities and other useful resources to understand your connections offer.
ESO Director Fintan Slye on a timely new series from Sky News featuring real time electricity generation from the ESO
Read more 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 in March.
It's been two years since the separation of the ESO, and today marks the start of our first ever legally separate price control
Great Britain’s electricity grid was the greenest it’s ever been at 1pm on Monday 5th April.
As the world tackles coronavirus, we're working hard to make sure the lights stay on.
Read moreOur Summer Outlook report outlines Great Britain's projected electricity needs for the summer ahead
Learn moreWe’re making digital transformation our top innovation priority this year as we progress towards a cleaner energy system
The NOA provides our recommendations for which reinforcement projects and services should be developed to meet the future network requirements that have been set out in the ETYS.