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Tata Power CoNSE:TATAPOWER +0.04%81 PB Ratio is 3.05 as of Jul. 20, 2026, which is 41% above its 10-year median of 2.17. GuruFocus rates NSE:TATAPOWER with a GF Score™ of 81/100 and a GF Value™ of ₹391.74 (Fairly Valued). The stock has 5 warning signs investors should review. Among 431 Utilities - Independent Power Producers companies, Tata Power Co ranks worse than 77.73% on this metric.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. As of today (2026-07-20), Tata Power Co's share price is ₹377.25. Tata Power Co's Book Value per Share for the quarter that ended in Mar. 2026 was ₹123.52. Hence, Tata Power Co's PB Ratio of today is 3.05.
Good Sign:
Tata Power Co Ltd stock PB Ratio (=3.05) is close to 2-year low of 3.04.
The historical rank and industry rank for Tata Power Co's PB Ratio or its related term are showing as below:
NSE:TATAPOWER'
s PB Ratio Range Over the Past 10 Years
Min: 0.39 Med: 2.17 Max: 4.49
Current: 3.05
During the past 13 years, Tata Power Co's highest PB Ratio was 4.49. The lowest was 0.39. And the median was 2.17.
NSE:TATAPOWER's PB Ratio is ranked worse than 77.73% of 431
companies
in the Utilities - Independent Power Producers industry
Industry Median: 1.31
vs NSE:TATAPOWER: 3.05
During the past 12 months, Tata Power Co's average Book Value Per Share Growth Rate was 10.10% per year.
During the past 3 years, the average Book Value Per Share Growth Rate was 11.10% per year.
During the past 5 years, the average Book Value Per Share Growth Rate was 13.30% per year.
During the past 10 years, the average Book Value Per Share Growth Rate was 8.80% per year.
During the past 13 years, the highest 3-Year average Book Value Per Share Growth Rate of Tata Power Co was 20.60% per year. The lowest was -5.20% per year. And the median was 8.10% per year.
Back to Basics: PB Ratio
Tata Power Co (NSE:TATAPOWER) PB Ratio Explanation
The PB Ratio works the best for the businesses that earn most of their profit from their assets, e.g. banks and insurance companies.
Be Aware
Some businesses have very light assets, such as software companies or insurance agencies. The PB Ratio does not work well for these companies. Some companies even have negative equity, so the PB Ratio cannot be applied to them.
Tata Power Co PB Ratio Related Terms
Tata Power Co PB Ratio Historical Data
* Premium members only.
The historical data trend for Tata Power Co's PB Ratio 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.
NSE:TATAPOWER vs CEG, VST, NRG: PB Ratio Comparison
For the Utilities - Independent Power Producers subindustry, Tata Power Co'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.
Tata Power Co PB Ratio vs Utilities - Independent Power Producers Industry
For the Utilities - Independent Power Producers industry and Utilities sector, Tata Power Co's PB Ratio distribution charts can be found below:
* The bar in red indicates where Tata Power Co's PB Ratio falls into.
The PB Ratio, or Price-to-Book ratio, or Price/Book, is a financial ratio used to compare a company's market price to its Book Value per Share. It is a ratio widely used to value stocks.
Tata Power Co's PB Ratio for today is calculated as follows:
* 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.
It can also be calculated from the numbers for the whole company:
A closely related ratio is called Price-to-Tangible-Book. The difference between Price-to-Tangible-Book and PB Ratio is that book value other than intangibles are used in the calculation.
Tata Power Co (NSE:TATAPOWER) has a PB Ratio of 3.05 as of Jul. 20, 2026. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Tata Power Co and its competitors. This is 41% above median its historical median of 2.17. Over the past decade, Tata Power Co's PB Ratio has ranged from 0.39 to 4.49. According to the industry distribution chart, Tata Power Co ranks #335 out of 431 companies in the Utilities - Independent Power Producers industry, placing it in the top 77.7%.
Is Tata Power Co's PB Ratio too high?
Tata Power Co's current PB Ratio of 3.05 is 41% above median its 10-year median of 2.17. Over the past 10 years, this metric has ranged from a low of 0.39 to a high of 4.49. The Utilities - Independent Power Producers industry median PB Ratio is 1.31. Tata Power Co's value of 3.05 is 132.8% above this industry median. Based on the distribution chart, Tata Power Co ranks #335 out of 431 companies in the Utilities - Independent Power Producers industry, which is in the bottom quartile relative to peers. Overall, Tata Power Co has a GF Score™ of 81/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Tata Power Co's PB Ratio compare to CEG and VST?
According to the Utilities - Independent Power Producers industry distribution chart, Tata Power Co ranks #335 out of 431 companies for PB Ratio. This places Tata Power Co in the lower half of its industry. The industry median PB Ratio is 1.31. Tata Power Co's value of 3.05 is 132.8% above this benchmark. Historically, Tata Power Co's own PB Ratio has ranged from 0.39 to 4.49 over the past decade. While the company's 10-year median is 2.17 vs. the industry median of 1.31, Tata Power Co 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 PB Ratio for an Utilities - Independent Power Producers company?
The median PB Ratio among Utilities - Independent Power Producers companies is 1.31, based on 431 companies in the industry. Companies in the top quartile (top 25%) have a PB Ratio significantly above this median, while those in the bottom quartile fall well below. However, PB Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Tata Power Co's current PB Ratio of 3.05 is 132.8% 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 PB Ratio mean?
A high PB Ratio can signal that a stock is expensive relative to its fundamentals. Price-to-Book ratio is the ratio of share price to a company's book value per share. View historical data on Tata Power Co and its competitors. For the Utilities - Independent Power Producers industry, the median PB Ratio is 1.31 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Tata Power Co's current PB Ratio is 3.05, which is 41% above median its own 10-year median of 2.17. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Tata Power Co stock overvalued right now?
Based on GuruFocus' analysis, Tata Power Co (NSE:TATAPOWER) is currently considered Fairly Valued. The stock's GF Value™ is ₹391.74, compared to a current price of ₹377.25 — trading 3.7% below its estimated fair value. The current PB Ratio is 3.05, which is 41% above median its 10-year median of 2.17 and 132.8% above the Utilities - Independent Power Producers industry median of 1.31. Tata Power Co's overall GF Score™ is 81/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PB Ratio calculated?
PB Ratio is calculated from a company's financial statements. For Tata Power Co (NSE:TATAPOWER), the current PB Ratio is 3.05 as of Jul. 20, 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 Tata Power Co (NSE:TATAPOWER) Overvalued in 2026?
Based on GuruFocus' analysis, Tata Power Co stock appears to be undervalued.
The current stock price of ₹377.25 is trading 3.7% below its estimated GF Value™ of ₹391.74.
GuruFocus considers Tata Power Co to be Fairly Valued.
Key valuation signals for NSE:TATAPOWER:
PB Ratio: 3.05 (41% above median its 10-year median of 2.17)
GF Value™: ₹391.74 vs. price of ₹377.25 (3.7% below fair value)
Industry Position: 132.8% above the Utilities - Independent Power Producers median (#335 of 431)
No single metric tells the full story. See the NSE:TATAPOWER stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Tata Power Co Ltd is engaged in the generation, transmission, distribution and trading of electricity. The Group is an integrated power company with an international presence and operates across all segments of the power sector, including Fuel Security and Logistics, Generation (thermal, hydro, solar and wind), Transmission, Distribution and Trading. The company segments are Thermal & Hydro, Renewables, Transmission and Distribution, and Other. Maximum revenue is generated from the Transmission and Distribution segment, which comprises transmission and distribution networks, sale of power to retail customers through distribution networks, related ancillary services, and the power trading business. The Company's operations is majorly confined within India.
81GF Score
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