Choices about Cookies
This website may involve use of a mechanism 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's computers and stored on your computer's hard drive, if your browser settings permit it.
If you choose to reject all cookies using your browser settings, you will not be able to use National Grid products, services and/or websites that require you to "sign in" and you may not be able to take full advantage of all offerings. However, many National Grid online services do not require that you accept cookies.
Google Analytics Cookies
National Grid uses Google Analytics to help analyse how users use National Grid websites. This analytical tool uses a cookie set by Google to collect standard internet log information and visitor behaviour information in an anonymous form. The information generated by the Google analytics cookie about your use of any website (including your IP address) is transmitted to Google, 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 the Google statistical tool with any personally identifying information. Google will not associate your IP address with any other data held by Google. Neither National Grid nor Google will link, or seek to link, an IP address with the identity of a computer user.