Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.
UnitilUTL -0.08%76 3-Year Book Growth Rate is 5.30% as of Jun. 2026, which is 89% above its 10-year median of 2.80. GuruFocus rates UTL with a GF Score™ of 76/100 and a GF Value™ of $54.25 (Fairly Valued). The stock has 6 warning signs investors should review. Among 485 Utilities - Regulated companies, Unitil ranks better than 52.58% on this metric.
During the past 12 months, Unitil's average Book Value per Share Growth Rate was 8.00% per year.
During the past 3 years, the average Book Value per Share Growth Rate was 5.30% per year.
During the past 5 years, the average Book Value per Share Growth Rate was 5.20% per year.
During the past 10 years, the average Book Value per Share Growth Rate was 5.30% 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 average Book Value per Share growth rate.
During the past 13 years, the highest 3-Year average Book Value per Share Growth Rate of Unitil was 6.60% per year. The lowest was -2.10% per year. And the median was 2.80% per year.
Unitil (NYSE:UTL) 3-Year Book Growth Rate Explanation
Book Value per Share is the ratio of equity available to common shareholders divided by the shares outstanding. Book value per share effectively indicates a firm's net asset value on a per-share basis. It can be used by investors to gauge whether a stock price is undervalued by comparing it to the firm's market value per share. Theoretically, it is what the shareholders will receive if the company is liquidated.
Unitil 3-Year Book Growth Rate Related Terms
UTL vs AVA, SRE, AES: 3-Year Book Growth Rate Comparison
For the Utilities - Diversified subindustry, Unitil's 3-Year Book Growth Rate, along with its competitors' market caps and 3-Year Book Growth Rate 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.
Unitil 3-Year Book Growth Rate vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, Unitil's 3-Year Book Growth Rate distribution charts can be found below:
* The bar in red indicates where Unitil's 3-Year Book Growth Rate falls into.
This is the 3-year average growth rate of Book Value per Share. The growth rate is calculated using exponential compounding based on the latest four year annual data.
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 average Book Value per Share growth rate.
What does a 3-Year Book Growth Rate of 5.30% mean?
Unitil (UTL) has a 3-Year Book Growth Rate of 5.30% as of Jun. 2026. 3-Year Book Growth Rate is the 3-year average growth rate of Book Value per Share. View historical data for Unitil and its competitors. This is 89% above median its historical median of 2.80. According to the industry distribution chart, Unitil ranks #230 out of 485 companies in the Utilities - Regulated industry, placing it in the top 47.4%.
Is Unitil's 3-Year Book Growth Rate too high?
Unitil's current 3-Year Book Growth Rate of 5.30% is 89% above median its 10-year median of 2.80. The Utilities - Regulated industry median 3-Year Book Growth Rate is 5.00. Unitil's value of 5.30% is 6% above this industry median. Based on the distribution chart, Unitil ranks #230 out of 485 companies in the Utilities - Regulated industry, which is above the industry midpoint. Overall, Unitil has a GF Score™ of 76/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Unitil's 3-Year Book Growth Rate compare to AVA and SRE?
According to the Utilities - Regulated industry distribution chart, Unitil ranks #230 out of 485 companies for 3-Year Book Growth Rate. This puts Unitil in the upper half of its industry. The industry median 3-Year Book Growth Rate is 5.00. Unitil's value of 5.30% is 6% above this benchmark. While the company's 10-year median is 2.80 vs. the industry median of 5.00, Unitil has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good 3-Year Book Growth Rate for an Utilities - Regulated company?
The median 3-Year Book Growth Rate among Utilities - Regulated companies is 5.00, based on 485 companies in the industry. Companies in the top quartile (top 25%) have a 3-Year Book Growth Rate significantly above this median, while those in the bottom quartile fall well below. However, 3-Year Book Growth Rate should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Unitil's current 3-Year Book Growth Rate of 5.30% is 6% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high 3-Year Book Growth Rate mean?
A high 3-Year Book Growth Rate can signal that a stock is expensive relative to its fundamentals. 3-Year Book Growth Rate is the 3-year average growth rate of Book Value per Share. View historical data for Unitil and its competitors. For the Utilities - Regulated industry, the median 3-Year Book Growth Rate is 5.00 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Unitil's current 3-Year Book Growth Rate is 5.30%, which is 89% above median its own 10-year median of 2.80. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Unitil stock overvalued right now?
Based on GuruFocus' analysis, Unitil (UTL) is currently considered Fairly Valued. The stock's GF Value™ is $54.25, compared to a current price of $53.09 — trading 2.1% below its estimated fair value. The current 3-Year Book Growth Rate is 5.30%, which is 89% above median its 10-year median of 2.80 and 6% above the Utilities - Regulated industry median of 5.00. Unitil's overall GF Score™ is 76/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is 3-Year Book Growth Rate calculated?
3-Year Book Growth Rate is calculated from a company's financial statements. For Unitil (UTL), the current 3-Year Book Growth Rate is 5.30% as of Jun. 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 Unitil (UTL) Overvalued in 2026?
Based on GuruFocus' analysis, Unitil stock appears to be undervalued.
The current stock price of $53.09 is trading 2.1% below its estimated GF Value™ of $54.25.
GuruFocus considers Unitil to be Fairly Valued.
Key valuation signals for UTL:
3-Year Book Growth Rate: 5.30% (89% above median its 10-year median of 2.80)
GF Value™: $54.25 vs. price of $53.09 (2.1% below fair value)
Industry Position: 6% above the Utilities - Regulated median (#230 of 485)
No single metric tells the full story. See the UTL stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Unitil Corp through its subsidiaries engages in the distribution of electricity and natural gas in its service territories in the states of New Hampshire, Massachusetts and Maine. Its natural gas operations include gas distribution utility operations and interstate gas transmission pipeline operations. It also engages in interstate natural gas transmission pipeline company, operating approximately 85 miles of underground gas transmission pipeline located in Maine and New Hampshire. The company's segments include Electric and Gas.
76GF Score
Get the complete analysis for UTL
3-Year Book Growth Rate is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
UTL has been successfully added to your 
