Companies:
50,383
Total Market Cap:
144474786441985.98
Global Rank
#1020
Country Rank
#45
Market Cap
22.09 B
Price
36.77
Change (%)
0.16%
Volume
574,538
Hydro One Limited's latest marketcap:
22.09 B
As of 08/19/2025, Hydro One Limited's market capitalization has reached $22.09 B. According to our data, Hydro One Limited is the 1020th most valuable company globally by market capitalization. Market capitalization, commonly referred to as market cap, represents the total market value of all outstanding shares of a publicly traded company and is often used as a measure of company value.
| Market Cap | 22.09 B |
| Revenue (ttm) | 6.34 B |
| Net Income (ttm) | 909.35 M |
| Shares Out | 599.78 M |
| EPS (ttm) | 1.51 |
| Forward PE | 23.27 |
| Ex-Dividend Date | 09/10/2025 |
| Earnings Date | 08/08/2025 |
Market Cap Chart
Data Updated: 08/19/2025
Hydro One Limited's yearly market capitalization.
Hydro One Limited has seen its market value grow from C$13.26 B to C$30.51 B since 2015, representing a total increase of 130.05% and an annual compound growth rate (CAGR) of 9.03%.
| Date | Market Cap(C$) | Market Cap(USD) | Change (%) | Global Rank |
|---|---|---|---|---|
| 08/19/2025 | C$30.51 B | $22.09 B | 14.97% | 1020 |
| 12/31/2024 | C$26.54 B | $18.44 B | 11.58% | 1014 |
| 12/29/2023 | C$23.78 B | $17.94 B | 9.52% | 987 |
| 12/30/2022 | C$21.72 B | $16.02 B | 10.3% | 1018 |
| 12/31/2021 | C$19.69 B | $15.56 B | 15% | 1246 |
| 12/31/2020 | C$17.12 B | $13.43 B | 14.42% | 1250 |
| 12/31/2019 | C$14.96 B | $11.51 B | 24% | 1167 |
| 12/31/2018 | C$12.07 B | $8.84 B | -9.52% | 1253 |
| 12/29/2017 | C$13.34 B | $10.59 B | -4.94% | 1227 |
| 12/30/2016 | C$14.03 B | $10.44 B | 5.79% | 966 |
Company Profile
Company Overview
Hydro One Limited, through its subsidiaries, operates as an electricity transmission and distribution company in Ontario.
Business Segments
- Transmission
- Distribution
- Other
Key Operations
- Owns and operates approximately 30,000 circuit kilometers of high-voltage transmission lines.
- Manages around 125,000 circuit kilometers of primary low-voltage distribution lines.
Customer Base
Serves a diverse range of customers, including:
- Residential
- Small businesses
- Commercial and industrial clients
- Municipal utilities
Additional Services
- Telecommunications support for transmission and distribution operations.
- Information and communications technology (ICT) services and solutions.
Corporate Details
Incorporated in 2015, Hydro One is headquartered in Toronto, Canada.
Frequently Asked Questions
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What is Hydro One Limited's (TSX-H) current market cap?As of 08/19/2025, Hydro One Limited (including the parent company, if applicable) has an estimated market capitalization of $22.09 B USD. This figure represents the total market value of its outstanding shares, including different share classes. Please note that market capitalization fluctuates based on market conditions, and the actual valuation may differ from the latest estimate.
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Where does Hydro One Limited (TSX-H) rank globally by market cap?Hydro One Limited global market capitalization ranking is approximately 1020 as of 08/19/2025. This ranking is relative to all publicly traded companies worldwide and can fluctuate based on market dynamics and the performance of other companies. You can refer to our Global companies market cap ranking for the most up-to-date ranking.