As of November 2026 National Grid has a market cap of S$107.76 Billion. This makes National Grid the world's 293th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Nov 9th, 2026 the market cap of National Grid was reported to be: