Hydro One Ltd (TO:H) — Market Cap & Net Worth

$25.34 Billion USD  · CA$35.03 Billion CAD  · Rank #1026

Market Cap & Net Worth: Hydro One Ltd (H)

Hydro One Ltd (TO:H) has a market capitalization of $25.34 Billion (CA$35.03 Billion) as of May 4, 2026. Listed on the TO stock exchange, this Canada-based company holds position #1026 globally and #42 in its home market, demonstrating a 0.52% increase in market value over the past year.

Market capitalization, also known as net worth in stock markets, is calculated by multiplying Hydro One Ltd's stock price CA$58.41 by its total outstanding shares 599781811 (599.78 Million). Analyse Hydro One Ltd cash flow conversion to see how efficiently the company converts income to cash.

Hydro One Ltd Market Cap History: 2015 to 2026

Hydro One Ltd's market capitalization history from 2015 to 2026. Data shows growth from $6.97 Billion to $25.34 Billion (13.43% CAGR).

Index Memberships

Hydro One Ltd is a constituent of 1 market index:

Index Total Market Cap Weight (%) Rank by Market Cap
S&P TSX Composite Index (Canada)
GSPTSE
$3.68 Trillion 0.69% #42 of 225

Weight: Hydro One Ltd's market cap as a percentage of total index value. Rank: Position among all constituents by market cap.

Hydro One Ltd Market Cap to Earnings & Revenue Ratios Timeline

This chart shows how Hydro One Ltd's valuation ratios have evolved. The Price to Sales (P/S) ratio compares market cap to revenue, while the Price to Earnings (P/E) ratio compares market cap to net income. Lower values may indicate a more undervalued company relative to its financial performance.

Latest Price to Sales (P/S) Ratio

2.62x

Hydro One Ltd's market cap is 2.62 times its annual revenue

Industry average: 0.52x Higher than industry average

Latest Price to Earnings (P/E) Ratio

17.70x

Hydro One Ltd's market cap is 17.70 times its annual earnings

Industry average: 4.47x Higher than industry average

What These Ratios Tell Investors:

  • Price to Sales (P/S) Ratio: Shows how much investors are paying for each dollar of the company's sales. Lower P/S ratios may indicate undervaluation.
  • Price to Earnings (P/E) Ratio: Shows how much investors are paying for each dollar of the company's earnings. This is one of the most common valuation metrics.
  • Trends in these ratios over time can indicate changing investor sentiment about the company's future growth prospects.
  • Industry comparison provides context for whether the company is valued higher or lower than peers.
Year Market Cap (USD) Revenue (USD) Net Income (USD) P/S Ratio P/E Ratio
2016 $7.67 Billion $6.55 Billion $740.00 Million 1.17x 10.36x
2017 $7.57 Billion $5.99 Billion $676.00 Million 1.26x 11.19x
2018 $7.16 Billion $6.15 Billion $796.00 Million 1.16x 8.99x
2019 $9.23 Billion $6.48 Billion $796.00 Million 1.43x 11.60x
2020 $10.94 Billion $7.29 Billion $1.79 Billion 1.50x 6.12x
2021 $13.01 Billion $7.22 Billion $965.00 Million 1.80x 13.48x
2022 $14.92 Billion $7.78 Billion $1.05 Billion 1.92x 14.21x
2023 $16.86 Billion $7.84 Billion $1.08 Billion 2.15x 15.53x
2024 $19.21 Billion $8.48 Billion $1.16 Billion 2.26x 16.62x
2025 $23.71 Billion $9.04 Billion $1.34 Billion 2.62x 17.70x

Competitor Companies of H by Market Capitalization

Companies near Hydro One Ltd in the global market cap rankings as of May 4, 2026.

Key companies related to Hydro One Ltd by market ranking:

  • Nextera Energy Inc (NYSE:NEE): Ranked #109 globally with a market cap of $195.35 Billion USD.
  • Duke Energy Corporation (NYSE:DUK): Ranked #244 globally with a market cap of $100.08 Billion USD.
  • Southern Company (NYSE:SO): Ranked #251 globally with a market cap of $97.89 Billion USD.
  • National Grid PLC ADR (NYSE:NGG): Ranked #299 globally with a market cap of $86.46 Billion USD.
Market capitalization comparison (in billions USD)
Rank Company Symbol Market Cap Price
#109 Nextera Energy Inc NYSE:NEE $195.35 Billion $96.95
#244 Duke Energy Corporation NYSE:DUK $100.08 Billion $128.60
#251 Southern Company NYSE:SO $97.89 Billion $96.71
#299 National Grid PLC ADR NYSE:NGG $86.46 Billion $86.96

Hydro One Ltd Historical Marketcap From 2015 to 2026

Between 2015 and today, Hydro One Ltd's market cap moved from $6.97 Billion to $ 25.34 Billion, with a yearly change of 13.43%.

Year Market Cap Change (%)
2026 CA$25.34 Billion +6.90%
2025 CA$23.71 Billion +23.42%
2024 CA$19.21 Billion +13.96%
2023 CA$16.86 Billion +12.95%
2022 CA$14.92 Billion +14.72%
2021 CA$13.01 Billion +18.89%
2020 CA$10.94 Billion +18.48%
2019 CA$9.23 Billion +29.04%
2018 CA$7.16 Billion -5.41%
2017 CA$7.57 Billion -1.36%
2016 CA$7.67 Billion +10.12%
2015 CA$6.97 Billion --

End of Day Market Cap According to Different Sources

On May 3rd, 2026 the market cap of Hydro One Ltd was reported to be:

Source Market Cap
Yahoo Finance $25.34 Billion USD
MoneyControl $25.34 Billion USD
MarketWatch $25.34 Billion USD
marketcap.company $25.34 Billion USD
Reuters $25.34 Billion USD

Market cap values may vary slightly between sources due to differences in calculation methods, timing, and data refresh rates.

About Hydro One Ltd

TO:H Canada Utilities - Regulated Electric
Market Cap
$25.34 Billion
CA$35.03 Billion CAD
Market Cap Rank
#1026 Global
#42 in Canada
Share Price
CA$58.41
Change (1 day)
+0.09%
52-Week Range
CA$47.89 - CA$60.17
All Time High
CA$60.17
About

Hydro One Limited operates as an electricity transmission and distribution company in Ontario. It operates through three segments: Transmission, Distribution, and Other. The company owns and operates approximately 30,000 circuit kilometers of high-voltage transmission lines and approximately 126,000 circuit kilometers primary low-voltage distribution lines. It provides telecommunications support … Read more