As of December 2025 Dominion Energy has a market cap of โน4.579 Trillion. This makes Dominion Energy the world's 460th 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 Dec 14th, 2025 the market cap of Dominion Energy was reported to be: