Top 5 US Power Companies - Market Dashboard Real-time market dashboard tracking the largest utility companies by market capitalization NextEra Energy NYSE:NEE Market Cap ~$180B Customers 12M HQ Florida Southern Company NYSE:SO Market Cap ~$95B Customers 9M HQ Georgia Duke Energy NYSE:DUK Market Cap ~$85B Customers 8.2M HQ N. Carolina Exelon NASDAQ:EXC Market Cap ~$45B Customers 10M HQ Illinois Dominion Energy NYSE:D Market Cap ~$65B Customers 7M HQ Virginia
