Hydro One Ltd

TO:H Canada Utilities - Regulated Electric
Market Cap
$24.99 Billion
CA$35.90 Billion CAD
Market Cap Rank
#806 Global
#2 in Canada
Share Price
CA$59.85
Change (1 day)
-0.53%
52-Week Range
CA$47.28 - 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

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

Hydro One Ltd (TO:H) has a market capitalization of $24.99 Billion (CA$35.90 Billion) as of March 18, 2026. Listed on the TO stock exchange, this Canada-based company holds position #806 globally and #2 in its home market, demonstrating a 0.50% 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$59.85 by its total outstanding shares 599781811 (599.78 Million).

Hydro One Ltd Market Cap History: 2015 to 2026

Hydro One Ltd's market capitalization history from 2015 to 2026. Data shows growth from $6.70 Billion to $24.99 Billion (13.86% 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
$51.88 Billion 47.61% #1 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

2.52x

Hydro One Ltd's market cap is 2.52 times its annual revenue

Industry average:
0.11x
Higher than industry average

Latest Price to Earnings (P/E) Ratio

17.04x

Hydro One Ltd's market cap is 17.04 times its annual earnings

Industry average:
1.13x
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 $7.38 Billion $6.55 Billion $740.00 Million 1.13x 9.98x
2017 $7.28 Billion $5.99 Billion $676.00 Million 1.22x 10.77x
2018 $6.89 Billion $6.15 Billion $796.00 Million 1.12x 8.65x
2019 $8.89 Billion $6.48 Billion $796.00 Million 1.37x 11.17x
2020 $10.53 Billion $7.29 Billion $1.79 Billion 1.44x 5.89x
2021 $12.52 Billion $7.22 Billion $965.00 Million 1.73x 12.97x
2022 $14.36 Billion $7.78 Billion $1.05 Billion 1.85x 13.68x
2023 $16.22 Billion $7.84 Billion $1.08 Billion 2.07x 14.95x
2024 $18.49 Billion $8.48 Billion $1.16 Billion 2.18x 15.99x
2025 $22.82 Billion $9.04 Billion $1.34 Billion 2.52x 17.04x

Competitor Companies of H by Market Capitalization

Companies near Hydro One Ltd in the global market cap rankings as of March 18, 2026.

Key companies related to Hydro One Ltd by market ranking:

  • Nextera Energy Inc (NYSE:NEE): Ranked #75 globally with a market cap of $192.91 Billion USD.
  • NATIONAL GRID CEDEAR EACH REP 1 (BA:NGG): Ranked #144 globally with a market cap of $127.42 Billion USD ( AR$132.53 Trillion ARS).
  • Southern Company (NYSE:SO): Ranked #204 globally with a market cap of $97.89 Billion USD.
  • Duke Energy Corporation (NYSE:DUK): Ranked #210 globally with a market cap of $96.16 Billion USD.

Market capitalization comparison (in billions USD)
Rank Company Symbol Market Cap Price
#75 Nextera Energy Inc NYSE:NEE $192.91 Billion $92.53
#144 NATIONAL GRID CEDEAR EACH REP 1 BA:NGG $127.42 Billion AR$66725.00
#204 Southern Company NYSE:SO $97.89 Billion $98.27
#210 Duke Energy Corporation NYSE:DUK $96.16 Billion $132.95

Hydro One Ltd Historical Marketcap From 2015 to 2026

Between 2015 and today, Hydro One Ltd's market cap moved from $6.70 Billion to $ 24.99 Billion, with a yearly change of 13.86%.

Year Market Cap Change (%)
2026 CA$24.99 Billion +9.54%
2025 CA$22.82 Billion +23.42%
2024 CA$18.49 Billion +13.96%
2023 CA$16.22 Billion +12.95%
2022 CA$14.36 Billion +14.72%
2021 CA$12.52 Billion +18.89%
2020 CA$10.53 Billion +18.48%
2019 CA$8.89 Billion +29.04%
2018 CA$6.89 Billion -5.41%
2017 CA$7.28 Billion -1.36%
2016 CA$7.38 Billion +10.12%
2015 CA$6.70 Billion --

End of Day Market Cap According to Different Sources

On Mar 18th, 2026 the market cap of Hydro One Ltd was reported to be:

Source Market Cap
Yahoo Finance $24.99 Billion USD
MoneyControl $24.99 Billion USD
MarketWatch $24.99 Billion USD
marketcap.company $24.99 Billion USD
Reuters $24.99 Billion USD

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