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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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ESO : Innovation

Surplus wind power could heat Scottish homes in new National Grid ESO and SSEN project

A new multi-partner project led by National Grid Electricity System Operator (ESO) and Scottish and Southern Electricity Networks (SSEN) is exploring the potential to use electric heat demand in off-gas areas of Scotland to soak up surplus wind generation, rather than reduce wind farms’ output.

ESO : Innovation
National Grid ESO Mersey Pathfinder

A new approach to managing voltage and reactive power

We’re finding new ways to operate the electricity grid which are more cost effective for consumers. In this blog, our Head of Networks Julian Leslie, outlines our new approach to managing voltage and reactive power, including our new contracts in the Mersey region.

ESO : Energy security
National Grid ESO - BSUOS costs charges during lockdown - energy flow

How lockdown is affecting the costs of managing the electricity system

The costs of balancing the system are going up as a result of low electricity demand caused by the lockdown. Find out more about why this is happening and what it means for you.

ESO : Energy security
National Grid ESO Marie Curie

Supporting our colleagues and charities during COVID-19

We recently announced the launch of our community fund to support our colleagues who are involved in community-based organisations during the COVID-19 pandemic.
Over the next few weeks we’d like to highlight some of these charities and the amazing work they do to help and support people and communities.

Future Energy Scenarios (FES)

We are in the midst of an energy revolution. The economic landscape, developments in technology, evolving business models and consumer behaviour are changing at an unprecedented rate creating more opportunities than ever for our industry.

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Electricity explained

Every month, we share a snapshot of Great Britain’s electricity generation and use.

Find out about the month’s electricity generation and how much came from sources such as wind, solar and biomass.

You can also see the carbon intensity of the electricity we used.

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Forward Plan

Our annual Forward Plan describes what we’re planning to do to create value for our customers, stakeholders and energy consumers.

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Summer Outlook

Summer outlook reports are designed to inform the energy industry and support its preparations for the summer ahead (April to October).

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6 June 2020

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5 June 2020

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5 June 2020
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