National GridCHIX:NGL -0.04%73 PEG Ratio is 2.74 as of Jun. 30, 2026, which is 17% above its 10-year median of 2.34. GuruFocus rates CHIX:NGL with a GF Score™ of 73/100 and a GF Value™ of £7.47 (Significantly Overvalued). The stock has 6 warning signs investors should review. Among 299 Utilities - Regulated companies, National Grid ranks worse than 62.21% on this metric.
* The 5-Year EBITDA Growth Rate is the 5-year average EBITDA per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.
The historical rank and industry rank for National Grid's PEG Ratio or its related term are showing as below:
CHIX:NGl'
s PEG Ratio Range Over the Past 10 Years
Min: 0.96 Med: 2.34 Max: 10.13
Current: 2.74
During the past 13 years, National Grid's highest PEG Ratio was 10.13. The lowest was 0.96. And the median was 2.34.
CHIX:NGl's PEG Ratio is ranked worse than 62.21% of 299
companies
in the Utilities - Regulated industry
Industry Median: 1.72
vs CHIX:NGl: 2.74
Peter Lynch thinks a company with a P/E ratio equal to its growth rate is fairly valued.
National Grid (CHIX:NGl) PEG Ratio Explanation
To compare stocks with different growth rates, Peter Lynch invented a ratio called PEG Ratio. PEG Ratio is defined as the P/E ratio divided by the growth ratio. He thinks a company with a P/E ratio equal to its growth rate is fairly valued. Still he said he would rather buy a company growing 20% a year with a P/E of 20, instead of a company growing 10% a year with a P/E of 10.
National Grid PEG Ratio Related Terms
National Grid PEG Ratio Historical Data
* Premium members only.
The historical data trend for National Grid's PEG 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.
For the Utilities - Regulated Electric subindustry, National Grid's PEG Ratio, along with its competitors' market caps and PEG 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.
National Grid PEG Ratio vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, National Grid's PEG Ratio distribution charts can be found below:
* The bar in red indicates where National Grid's PEG 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.
* Note: The 5-Year EBITDA Growth Rate is the 5-year average EBITDA per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.
National Grid (CHIX:NGL) has a PEG Ratio of 2.74 as of Jun. 30, 2026. Price-earnings to growth ratio is the ratio of price-earnings to a company's earnings growth rate. View historical data on National Grid and its competitors. This is 17% above median its historical median of 2.34. Over the past decade, National Grid's PEG Ratio has ranged from 0.96 to 10.13. According to the industry distribution chart, National Grid ranks #186 out of 299 companies in the Utilities - Regulated industry, placing it in the top 62.2%.
Is National Grid's PEG Ratio too high?
National Grid's current PEG Ratio of 2.74 is 17% above median its 10-year median of 2.34. Over the past 10 years, this metric has ranged from a low of 0.96 to a high of 10.13. The Utilities - Regulated industry median PEG Ratio is 1.72. National Grid's value of 2.74 is 59.3% above this industry median. Based on the distribution chart, National Grid ranks #186 out of 299 companies in the Utilities - Regulated industry, which is below the industry midpoint. Overall, National Grid has a GF Score™ of 73/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does National Grid's PEG Ratio compare to NEE and SO?
According to the Utilities - Regulated industry distribution chart, National Grid ranks #186 out of 299 companies for PEG Ratio. This places National Grid in the lower half of its industry. The industry median PEG Ratio is 1.72. National Grid's value of 2.74 is 59.3% above this benchmark. Historically, National Grid's own PEG Ratio has ranged from 0.96 to 10.13 over the past decade. While the company's 10-year median is 2.34 vs. the industry median of 1.72, National Grid 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 PEG Ratio for an Utilities - Regulated company?
The median PEG Ratio among Utilities - Regulated companies is 1.72, based on 299 companies in the industry. Companies in the top quartile (top 25%) have a PEG Ratio significantly above this median, while those in the bottom quartile fall well below. However, PEG Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. National Grid's current PEG Ratio of 2.74 is 59.3% 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 PEG Ratio mean?
A high PEG Ratio can signal that a stock is expensive relative to its fundamentals. Price-earnings to growth ratio is the ratio of price-earnings to a company's earnings growth rate. View historical data on National Grid and its competitors. For the Utilities - Regulated industry, the median PEG Ratio is 1.72 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. National Grid's current PEG Ratio is 2.74, which is 17% above median its own 10-year median of 2.34. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is National Grid stock overvalued right now?
Based on GuruFocus' analysis, National Grid (CHIX:NGL) is currently considered Significantly Overvalued. The stock's GF Value™ is £7.47, compared to a current price of £12.52 — trading 67.6% above its estimated fair value. The current PEG Ratio is 2.74, which is 17% above median its 10-year median of 2.34 and 59.3% above the Utilities - Regulated industry median of 1.72. National Grid's overall GF Score™ is 73/100 with 6 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PEG Ratio calculated?
PEG Ratio is calculated from a company's financial statements. For National Grid (CHIX:NGL), the current PEG Ratio is 2.74 as of Jun. 30, 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 National Grid (CHIX:NGL) Overvalued in 2026?
Based on GuruFocus' analysis, National Grid stock appears to be overvalued.
The current stock price of £12.52 is trading 67.6% above its estimated GF Value™ of £7.47.
GuruFocus considers National Grid to be Significantly Overvalued.
Key valuation signals for CHIX:NGL:
PEG Ratio: 2.74 (17% above median its 10-year median of 2.34)
GF Value™: £7.47 vs. price of £12.52 (67.6% above fair value)
Industry Position: 59.3% above the Utilities - Regulated median (#186 of 299)
No single metric tells the full story. See the CHIX:NGL stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
National Grid owns and operates the electric transmission system in England and Wales. It sold the bulk of its UK gas transmission business in fiscal 2023 to fund the acquisition of PPL's UK power distribution assets. In the Northeastern United States, it serves electricity and gas customers combined in three states. It also owns regulated transmission electricity networks in the United States, metering services and merchant transmission lines in the UK.
73GF Score
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