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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 - September 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 September.

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ESO : Future of energy

World's leading power system operators launch global consortium

We're joining with power system operators from around the world to tackle the challenges of the clean energy transition.

ESO : Balancing the grid
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7 reflections on balancing the grid this Spring and Summer

Chief Engineer Ro Quinn reflects on balancing the grid this Spring and Summer

ESO : Our people
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A day in the life of an Energy Trader

James Bradley, Senior Energy Trader explains how trading electricity is vital to us operating the GB energy system

ESO : Balancing the grid
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World-first renewable energy market trial hits major milestone

Power Potential enables distributed energy resources connected to the local electricity network to provide the only market-based reactive power source to the national electricity system.

European Network Codes (ENC)

Our FES 2020 scenarios

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

Mid-year incentives

Read what we’ve delivered over the past six months and where we’re focusing our efforts for the rest of 2020/21

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Winter Outlook 2020

We've published our 2020/21 Winter Outlook. Our Head of National Control Roisin Quinn sets out the projections of this year's report for the winter months

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22 October 2020

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22 October 2020

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22 October 2020
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