3 availability checks of nationalgrid.com were performed in the 48 day period starting on October 7, 2024. Nationalgrid.com was online 3 times out of all checks performed, as shown by the code 200 response on the latest test conducted on November 20, 2024. According to evaluations as of November 24, 2024, there were no periods of inactivity for nationalgrid.com. As of November 24, 2024, the status reports confirm that all responses received are error-free. Nationalgrid.com's 0.169 seconds response on November 20, 2024, differed from its average response time of 0.250 seconds.