Market Cap
$17.11 Billion
USD as of Jan. 1, 2026
| Company | Market Cap (USD) |
|---|---|
American Water Works Company, Inc.
|
$25.44 B |
Severn Trent plc
|
$11.38 B |
United Utilities Group plc
|
$11.06 B |
Essential Utilities, Inc.
|
$10.94 B |
Pennon Group plc
|
$3.38 B |
| Company | Market Cap (USD) |
|---|---|
NextEra Energy
|
$168.55 B |
Iberdrola, SA
|
$146.18 B |
Siemens Energy
|
$123.41 B |
Constellation Energy
|
$114.42 B |
Enel SpA
|
$106.27 B |
Brazil
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Utilities—Regulated Water
Brazil Utilities
Brazil Utilities—Regulated Water
The market capitalization of a company, more simply referred to as "market cap", is the total market value of a publicly traded company's outstanding shares. It is often considered as a key indicator of what a company is worth.