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Transforming the system
Driving towards a sustainable energy future with our final RIIO-2 business plan.

Welcome to National Grid ESO

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.

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Power cut in your area?

Find out who to contact when there's a power cut.

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Data ESO

Download our datasets

Find the latest Firm frequency Response data, BSUOS forecasts, and other daily demand and supply reports.

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Connect to the grid

Find out about the connections process, download the Grid Code and CUSC as well as latest modifications to these codes.

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Keeping the lights on throughout coronavirus

As the world tackles coronavirus, we're working hard to make sure the lights stay on.

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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 in August.

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ESO : Our people

A day in the life of: Mark Jones, Senior Black Start Engineer

Ever wonder what would happen if there was a total blackout?

Find out what Black Start is, how it's Great Britain's ultimate insurance policy and see what it's like living a day in the life of a Senior Black Start Engineer.

ESO : Balancing the grid
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What is Short Circuit Level?

What is Short Circuit Level and how does it help us to run a safe and secure electricity system?

ESO : Our people
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A day in the life of an IEMS analyst

How does the IEMS help our control room to balance the energy system? Find out as we spend a day in the life of Pritesh Patel, IEMS Change Management Analyst

ESO : Balancing the grid

New contract sees domestic solar panels and batteries helping to balance the grid

For the first time a frequency response contract has been awarded to a group made up entirely of domestic customers.

European Network Codes (ENC)

FES 2020 is here!

Ever wonder what the the future of energy could look like?

Our new FES 2020 Report is now available to download, find out what energy scenarios are in the realms of the possible.

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How we're performing

Interested to see how we are performing against our Forward Plan?

Download our monthly reports and view our Forward Plan Activity Tracker.

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Contribute your insight

Each year, we ask the energy industry to submit their research, evidence and data for the Future Energy Scenarios.

Find out how you can be part of FES 2021.

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18 September 2020

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18 September 2020

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18 September 2020
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