Hydro One Limited

PINK:HRNNF USA Utilities - Regulated Electric
Market Cap
$20.97 Billion
Market Cap Rank
#926 Global
#720 in USA
Share Price
$34.96
Change (1 day)
+2.25%
52-Week Range
$33.71 - $34.96
All Time High
$35.11
About

Hydro One Limited, through its subsidiaries, operates as an electricity transmission and distribution company in Ontario. The company operates through three segments: Transmission, Distribution, and Other. It owns and operates approximately 30,000 circuit kilometers of high-voltage transmission lines and approximately 125,000 circuit kilometers primary low-voltage distribution lines. The company … Read more

Market Cap & Net Worth: Hydro One Limited (HRNNF)

Hydro One Limited (PINK:HRNNF) has a market capitalization of $20.97 Billion ($20.97 Billion) as of March 18, 2026. Listed on the PINK stock exchange, this USA-based company holds position #926 globally and #720 in its home market, demonstrating a 2.70% increase in market value over the past year.

Market capitalization, also known as net worth in stock markets, is calculated by multiplying Hydro One Limited's stock price $34.96 by its total outstanding shares 599781811 (599.78 Million).

Hydro One Limited Market Cap History: 2015 to 2025

Hydro One Limited's market capitalization history from 2015 to 2025. Data shows growth from $6.28 Billion to $20.97 Billion (13.43% CAGR).

Hydro One Limited Market Cap to Earnings & Revenue Ratios Timeline

This chart shows how Hydro One Limited'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

2.28x

Hydro One Limited's market cap is 2.28 times its annual revenue

Industry average:
0.40x
Higher than industry average

Latest Price to Earnings (P/E) Ratio

16.74x

Hydro One Limited's market cap is 16.74 times its annual earnings

Industry average:
3.06x
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
2015 $6.28 Billion $6.54 Billion $703.00 Million 0.96x 8.93x
2016 $7.16 Billion $6.55 Billion $740.00 Million 1.09x 9.68x
2017 $7.74 Billion $5.99 Billion $676.00 Million 1.29x 11.45x
2018 $6.75 Billion $6.15 Billion -$71.00 Million 1.10x N/A
2019 $9.20 Billion $6.48 Billion $796.00 Million 1.42x 11.56x
2020 $11.47 Billion $7.29 Billion $1.79 Billion 1.57x 6.41x
2021 $13.61 Billion $7.22 Billion $965.00 Million 1.88x 14.11x
2022 $13.55 Billion $7.78 Billion $1.05 Billion 1.74x 12.90x
2023 $17.17 Billion $7.84 Billion $1.08 Billion 2.19x 15.83x
2024 $19.35 Billion $8.48 Billion $1.16 Billion 2.28x 16.74x

Competitor Companies of HRNNF by Market Capitalization

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

Key companies related to Hydro One Limited by market ranking:

  • Nextera Energy Inc (NYSE:NEE): Ranked #76 globally with a market cap of $193.52 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 #211 globally with a market cap of $96.16 Billion USD.

Market capitalization comparison (in billions USD)
Rank Company Symbol Market Cap Price
#76 Nextera Energy Inc NYSE:NEE $193.52 Billion $92.82
#144 NATIONAL GRID CEDEAR EACH REP 1 BA:NGG $127.42 Billion AR$66725.00
#204 Southern Company NYSE:SO $97.89 Billion $99.11
#211 Duke Energy Corporation NYSE:DUK $96.16 Billion $133.46

Hydro One Limited Historical Marketcap From 2015 to 2025

Between 2015 and today, Hydro One Limited's market cap moved from $6.28 Billion to $ 20.97 Billion, with a yearly change of 13.43%.

Year Market Cap Change (%)
2025 $20.97 Billion +8.34%
2024 $19.35 Billion +12.72%
2023 $17.17 Billion +26.74%
2022 $13.55 Billion -0.47%
2021 $13.61 Billion +18.72%
2020 $11.47 Billion +24.61%
2019 $9.20 Billion +36.27%
2018 $6.75 Billion -12.76%
2017 $7.74 Billion +8.06%
2016 $7.16 Billion +14.10%
2015 $6.28 Billion --

End of Day Market Cap According to Different Sources

On Mar 17th, 2026 the market cap of Hydro One Limited was reported to be:

Source Market Cap
Yahoo Finance $20.97 Billion USD
MoneyControl $20.97 Billion USD
MarketWatch $20.97 Billion USD
marketcap.company $20.97 Billion USD
Reuters $20.97 Billion USD

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