Electricity System Operator
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  • National Grid ESO

    Keeping the lights on for Great Britain

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    Transforming the system

    Driving towards a sustainable energy future

    Our RIIO-2 plans

Power cut in your area?

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

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Download our datasets

Find the latest Firm frequency Response data 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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Our transition to Net Zero

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Stability Pathfinder - our new approach to stability services

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What is smart charging?

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Future Energy Scenarios - what does the future hold?

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Great Britain's Electricity Explained

The weekend of free electricity?

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Network Options Assessment

The Network Options Assessment (NOA) has an important role in developing an efficient, coordinated, and economic system of electricity transmission.

Find out what the major projects considered to meet the future needs of Great Britain's electricity transmission system are.

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Whole Electricity System Development

The Whole Electricity System Development report sets out how we're collaborating with others across the energy system to deliver whole electricity system outcomes.

Read about the initiatives and projects we're involved in, and how we're progressing against the activities we've committed to deliver in our 2019/2020 Forward Plan.

Read the report