Electric utilities support modern life by powering homes, industries and transport systems such as electric vehicles, rail and public transit – but which companies lead the sector by market value?
We’ve identified the top publicly listed electricity companies by market capitalisation – the figure obtained by multiplying a company’s share price by the number of its outstanding shares – as of 17 April 2026.
Our rankings below display the top electricity companies worldwide by market capitalisation as of 17 April 2026. Each company’s market cap is shown in its local currency, alongside the latest share price and main listing country.
| Rank | Company | Market cap (USD) | Share price (USD) | Country |
|---|---|---|---|---|
| 1 | CATL | $297.4bn | $65.16 | China |
| 2 | GE Vernova | $267.9bn | $994 | United States |
| 3 | NextEra Energy | $189.6bn | $90.94 | United States |
| 4 | Siemens Energy | $170.5bn | $199.32 | Germany |
| 5 | Iberdrola | $157.6bn | $23.32 | Spain |
| 6 | Enel | $113.7bn | $11.45 | Italy |
| 7 | Constellation Energy | $107.5bn | $296.67 | United States |
| 8 | Southern Company | $105.8bn | $93.81 | United States |
| 9 | Duke Energy | $98.5bn | $126.56 | United States |
| 10 | China Yangtze Power | $94.6bn | $3.87 | China |
The information on this page is based on data from public company disclosures and market data providers. It is provided for informational purposes only and does not constitute investment advice or a recommendation to trade. While believed to be accurate as of the stated date, figures may be updated without prior notice.
Market capitalisation is a measure of a company’s total equity value. It is calculated by multiplying the latest share price by the total number of shares in issue. Market cap helps assess a company’s size and compare it with its peers.
CFD trading allows you to speculate on price movements without owning the underlying shares. This enables exposure to both rising and falling markets. However, contracts for difference (CFDs) involve costs such as spreads and overnight financing charges. CFDs are traded on margin, and leverage amplifies both profits and losses.
Market capitalisations fluctuate as share prices move. They are also influenced by share issues, buybacks and other corporate actions. Published figures usually reference end-of-day closing prices. It’s advisable to consult up-to-date market data when reviewing company values. Past performance is not a reliable indicator of future results.
Key influences include interest rates (which affect financing costs), regulatory developments, energy prices, and overall economic conditions. Company-specific elements such as earnings, dividend policy, and infrastructure investment are also significant. Currency fluctuations and geopolitical events affecting energy supply can additionally have an impact. Past performance is not a reliable indicator of future results.
Explore company market cap with real-time data. Track valuation, stock performance, and financial insights.
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