Over the past 1 440 days starting from February 28, 2021, there have been 1 checks done on investors.nationalgrid.com's availability. Throughout the assessments, investors.nationalgrid.com functioned 1 times, last recorded on February 28, 2021, with a 200 status code. As of February 7, 2025, no offline periods were found for investors.nationalgrid.com in inspections conducted. No error status code has been returned as of February 7, 2025, according to all the replies. Records show 0.330 seconds average response time for investors.nationalgrid.com, with 0.330 seconds recorded on February 28, 2021.