People stood in front of their field with their cows

Cookie policy

Please read this cookie policy carefully as it contains important information on NESO and the use of cookies on this website and its sub-domains. This policy should be read together with our Privacy Notice which sets out how and why NESO collects, store, use, and share personal information generally, as well as your rights in relation to your personal information and details of how to contact NESO and the UK supervisory authority if you have a complaint.

Who we are

This website (neso.energy) is operated by National Energy System Operator Limited ("NESO", "us" or "we"). For more information about who we are, please see our What we do section.

NESO website uses cookies to enhance your experience.

A cookie is a small text file containing letters and numbers, often including an anonymous identifier. It is sent from our website to your browser and stored on your device if your browser settings allow. When you return to the site, the cookie helps recognise your browser.

Cookies enable NESO to provide a smooth browsing experience and help us improve the functionality and performance of our website.

Making, Changing your preferences; browser settings

When you use this website and its sub-domains, NESO may set cookies on your device to enhance your browsing experience and improve site functionality. You can manage or change your cookie preferences at any time using our cookie settings tool. 

You may choose to control or block cookies through your browser settings. However, please be aware that:

  • Necessary cookies are essential for the website to work and cannot be turned off. 
  •  If you reject all cookies, certain parts of this website may not work properly or provide the same personalized experience.

Your cookie settings apply only to the device and browser you are using. If you switch to a different device, browser, or profile, you’ll need to set your preferences again.

However, many NESO online services can still be used without accepting cookies.

Opt-out schemes

Where we use advertising cookies from third parties, you can choose to stop those third parties from using your information. There are opt-out schemes which allow you to opt-out from receiving such targeted advertising from third parties who are members of those schemes:

You can find more information about cookies at: https://ico.org.uk/for-the-public/online/cookies/ and https://www.google.co.in/intl/en/policies/technologies/cookies/.

Use of Cookies

The NESO website uses the following cookies:

  • Strictly necessary cookies: These are cookies that are required for the operation of our website. Without these cookies, our website may not function properly. They include, for example, cookies that enable you to log into secure areas of our website.
  • Analytical cookies: These allow us to recognise and count the number of visitors and to see how visitors move around our website when they are using it. This helps us to improve the way our website works, for example, by ensuring that users are finding what they are looking for easily.
  • Functionality cookies: These are used to recognise you when you return to our website. This enables us to personalise our content for you and remember your preferences.
  • Performance Cookies: Performance cookies are used to understand and analyse the key performance indexes of the website which helps in delivering a better user experience for the visitors.
  • Advertisement Cookies: Advertisement cookies are used to provide visitors with customized advertisements based on the pages you visited previously and to analyse the effectiveness of the ad campaigns.

NESO's Use of Cookies

When you use this website, cookies are set and accessed by or on behalf of NESO for a number of purposes, including to:

  • Access your information when you 'sign in' to the NESO website, so that we can provide you with customised content.
  • Identify you as a registered user of this website, so that you are able to use the site for its intended purpose(s) without having to re-enter your information each time you do so.
  • Keep track of preferences you specify while you are using NESO's services.
  • Estimate and report our total audience size and traffic.
  • Conduct research to improve NESO's content and services.
  • Require you to re-enter your NESO password after a certain period of time has elapsed, to protect you against others accidentally accessing your account contents.

NESO does use cookies to target advertising and to share information with social networking sites or other services.

If you would like further information about the individual cookies we use on the NESO website, please see further detail about the exact cookies here.

Analytics cookies

In addition, NESO uses tools such as Google Analytics to help analyse how users use NESO websites. These analytical tools use cookies to collect standard internet log information and visitor behaviour information in an anonymous form. The information generated by the analytics cookie about your use of any website (including your IP address) is transmitted to the analytics provider and used to evaluate and compile statistical reports about this use for NESO.

NESO will not (and will not allow any third party to) use the statistical analytics tool to track or collect any personally identifiable information about users of our sites and will not associate any data gathered by means of the providers’ statistical tool with any personally identifying information. Neither NESO nor our analytics providers will link, or seek to link, an IP address with the identity of a computer user.

Changes to this Cookie policy

From time to time, we may change this policy. If there is a significant change you will be asked to reconfirm your cookies preferences.

Contact us

We welcome feedback and are happy to answer any questions you may have about the cookies we use.

If you have any questions, comments or requests for more information, please contact us at [email protected]

This cookie policy was last updated on 15 September 2026.

Update my preferences