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Hydro One's book value per share for the quarter that ended in Mar. 2026 was $15.61.
During the past 12 months, Hydro One's average Book Value Per Share Growth Rate was 4.70% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 3.70% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 3.60% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 3.10% per year.
Please click Growth Rate Calculation Example (GuruFocus) to see how GuruFocus calculates Wal-Mart Stores Inc (WMT)'s revenue growth rate. You can apply the same method to get the book value growth rate using book value per share data.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Hydro One was 8.50% per year. The lowest was -94.00% per year. And the median was 3.60% per year.
Hydro One's current price is $41.63. Its book value per share for the quarter that ended in Mar. 2026 was $15.61. Hence, today's PB Ratio of Hydro One is 2.67.
During the past 13 years, the highest P/B Ratio of Hydro One was 2.85. The lowest was 1.13. And the median was 1.71.
Warning Sign:
Hydro One Ltd stock PB Ratio (=2.81) is close to 10-year high of 2.85.
Hydro One (OTCPK:HRNNF) Book Value per Share Explanation
Usually a company's book value and Tangible Book per Share may not reflect its true value. The assets may be carried on the balance sheets at the original cost minus depreciation. This may underestimate the true economic values of the assets. It also may over-estimate their true economic value because the assets can become obsolete.
For financial companies such as banks and insurance companies, their assets may be reported in current market value of the assets owned. Book values of financial companies are more accurate indicator of the economic value of the company.
Hydro One Book Value per Share Related Terms
Hydro One Book Value per Share Historical Data
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The historical data trend for Hydro One's Book Value per Share can be seen below:
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
HRNNF vs NEE, SO, DUK: Book Value per Share Comparison
For the Utilities - Regulated Electric subindustry, Hydro One's PB Ratio, along with its competitors' market caps and PB Ratio data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
Hydro One PB Ratio vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, Hydro One's PB Ratio distribution charts can be found below:
* The bar in red indicates where Hydro One's PB Ratio falls into.
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
Hydro One (HRNNF) has a Book Value per Share of $15.61 as of Mar. 2026. Book value per share gives the per-share value of a company's stockholder equity. View historical data on Hydro One and its competitors.
Is Hydro One's Book Value per Share too high?
Hydro One's current Book Value per Share is $15.61. Overall, Hydro One has a GF Score™ of 74/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Hydro One's Book Value per Share compare to NEE and SO?
Hydro One's Book Value per Share of $15.61 can be compared against companies in the Utilities - Regulated industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Book Value per Share for an Utilities - Regulated company?
A good Book Value per Share depends on the Utilities - Regulated industry context. However, Book Value per Share should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Book Value per Share mean?
A high Book Value per Share can signal that a stock is expensive relative to its fundamentals. Book value per share gives the per-share value of a company's stockholder equity. View historical data on Hydro One and its competitors. Hydro One's current Book Value per Share is $15.61. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Hydro One stock overvalued right now?
Based on GuruFocus' analysis, Hydro One (HRNNF) is currently considered Modestly Overvalued. The stock's GF Value™ is $36.19, compared to a current price of $41.63 — trading 15% above its estimated fair value. The current Book Value per Share is $15.61. Hydro One's overall GF Score™ is 74/100 with 10 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Book Value per Share calculated?
Book Value per Share is calculated from a company's financial statements. For Hydro One (HRNNF), the current Book Value per Share is $15.61 as of Mar. 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
Is Hydro One (HRNNF) Overvalued in 2026?
Based on GuruFocus' analysis, Hydro One stock appears to be overvalued.
The current stock price of $41.63 is trading 15% above its estimated GF Value™ of $36.19.
GuruFocus considers Hydro One to be Modestly Overvalued.
Key valuation signals for HRNNF:
Book Value per Share: $15.61
GF Value™: $36.19 vs. price of $41.63 (15% above fair value)
No single metric tells the full story. See the HRNNF stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Hydro One operates regulated transmission and distribution assets in Ontario. The area's largest electricity provider serves nearly 1.5 million customers. Transmission accounts for roughly 60% of the company's rate base, with distribution accounting for the remainder. Hydro One operates a small telecom business with annual revenue contributing less than 1% to consolidated results. The province of Ontario holds an approximate 47.5% common equity stake.
74GF Score
Get the complete analysis for HRNNF
Book Value per Share is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
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