Cookie policy
Choices about cookies
This website uses a technology called 'cookies'. A cookie is a small amount of data – which often includes an anonymous unique identifier – that is sent to your browser from a website and stored on your device, if your browser settings permit it.
Cookies are used to facilitate your website experience and distinguish you from other users of the website. This helps National Grid to provide you with a good experience when you browse the National Grid website and also allows us to improve our site.
Changing your preferences and browser settings
When you use this website, National Grid may set and access cookies (or have these cookies set and accessed) on your device as described below. If you do not agree to the use of cookies you can adjust your browser settings to reject all cookies. Each browser is different, so you should check the 'Help' menu of your browser to learn how to do this. If you want to restrict or block the cookies on our site, you can do this at any time by managing your preferences, accessing the tool provided, by clicking the cookie settings icon in the bottom left of any page. This tool captures that you have consented to our use of cookies and cannot be used to block cookies on third party websites, which are sent to your device already. Strictly necessary cookies cannot be disabled. Alternatively, you can choose not to use the website.
If you choose to disable cookies by changing your preferences or your browser settings, this website and its features may not work in the same way or produce the same personalised experience. If you delete all of your cookies, you will have to update your preferences with us again. As your settings are specific to your device, if you use a different device, computer profile or browser you will have to tell us your preferences again.
Use of cookies
The National Grid website uses the following cookies:
Strictly necessary cookies
Strictly necessary cookies are crucial for the basic functions of the website and the website will not work in its intended way without them.
Analytics cookies
Analytics cookies are used to understand how visitors interact with the website. These cookies help provide information on metrics, the number of visitors, bounce rate, traffic source, etc. They do 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.
National Grid uses Google Analytics to help analyse how users use our websites. This analytical tool use cookies to collect standard internet log information and visitor behaviour information in an anonymous form. The information generated by this analytics cookie about your use of the website is transmitted to the analytics provider and used to evaluate and compile statistical reports about this use for National Grid.
National Grid 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 Google’s statistical tool with any personally identifying information.
Functional cookies
Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. They are used to recognise you when you return to our website. This enables us to personalise our content for you and remember preferences.
Advertisement cookies
Advertisement cookies are used to deliver visitors with customised content based on the pages they visited before and analyse the effectiveness of campaigns. These cookies record your visit to our website, the pages you have visited and the links you have followed.
If you choose to reject all cookies, you may not be able to take full advantage of all National Grid offerings. However, many National Grid online services do not require that you accept cookies.
National Grid's use of cookies
When you use this website, cookies are set and accessed by or on behalf of National Grid for a number of purposes, including:
- identify you again as a previous visitor of this website
- keep track of preferences you specify while you are using this website
- personalise content based on your previous interactions with this website;
- estimate and report our total audience size and traffic on this website and/or
- conduct research to improve National Grid's content and services
Further detail about the exact cookies used on our site, can be found using your Manage preference tool, accessible by clicking the cookie settings icon of any page.
Changes to this Cookies policy
From time to time we may change this cookies policy. If there is a significant change you will be asked to reconfirm your cookies preferences.
How to contact us
We welcome feedback and are happy to answer any questions you may have about the cookies we use.
Please send any questions, comments or requests for more information to:
The Data Protection Team
National Grid House,
Warwick Technology Park,
Gallows Hill,
Warwick,
CV34 6DA
or email us at [email protected]
This cookies policy was last updated on 17 February 2026