As of July 2026 Dominion Energy has a market cap of โฌ54.58 Billion. This makes Dominion Energy the world's 399th 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 Jul 18th, 2026 the market cap of Dominion Energy was reported to be: