National Grid has the GF Score of 73, which implies that the company
is
Likely to have average performance.
The GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation, which has been found to be closely correlated to the long-term performances of stocks by backtesting from 2006 to 2021. The stocks with a higher GF Score generally generate higher returns than those with lower GF Scores. Therefore, when picking stocks, investors should invest in companies with high GF Scores. The GF Score ranges from 0 to 100, with 100 as the highest rank.
GF Score takes following five key aspects into consideration:
Each one of these components is ranked and the ranks also have positive correlation with the long term performances of stocks. The GF score is calculated using the five key aspects of analysis. Through backtesting, we know that each of these key aspects has a different impact on the stock price performance. Thus, they are weighted differently when calculating the total score. The Profitability Rank and the Growth Rank are weighted fully, while other parameters have less weight.
Based on research and backtesting result, GuruFocus believes National Grid
is
Likely to have average performance.
Please click GF Score to see more details on the GF Score's 5 Key Aspects of Analysis.
National Grid (CHIX:NGl) GF Score Explanation
Based on the historical long-term performances among five valuation aspects, the GF Score is found to be closely correlated to the long-term performances of stocks. It ranges from 0 to 100, with 100 as the highest. GuruFocus divided GF Score into following 5 categories:
GF Score
Performance Potential and All-in-One Screener Examples (1)
(1) These are some simple examples. You can access our GF Score filter under All-in-One Screener’s Fundamental tab.
National Grid GF Score Related Terms
CHIX:NGL vs NEE, SO, DUK: GF Score Comparison
For the Utilities - Regulated Electric subindustry, National Grid's GF Score, along with its competitors' market caps and GF Score 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 GF Score vs Utilities - Regulated Industry
For the Utilities - Regulated industry and Utilities sector, National Grid's GF Score distribution charts can be found below:
* The bar in red indicates where National Grid's GF Score falls into.
National Grid (CHIX:NGL) has a GF Score of 73 as of Jul. 01, 2026. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on National Grid and its competitors. This is near median its historical median of 70.00. Over the past decade, National Grid's GF Score has ranged from 46.00 to 80.00.
Is National Grid's GF Score too high?
National Grid's current GF Score of 73 is near median its 10-year median of 70.00. Over the past 10 years, this metric has ranged from a low of 46.00 to a high of 80.00. 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 GF Score compare to NEE and SO?
National Grid's GF Score of 73 can be compared against companies in the Utilities - Regulated industry. Historically, National Grid's own GF Score has ranged from 46.00 to 80.00 over the past decade. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good GF Score for an Utilities - Regulated company?
A good GF Score depends on the Utilities - Regulated industry context. However, GF Score 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 GF Score mean?
A high GF Score can signal that a stock is expensive relative to its fundamentals. GF Score is a stock performance ranking system developed by GuruFocus using five aspects of valuation. View historical data on National Grid and its competitors. National Grid's current GF Score is 73, which is near median its own 10-year median of 70.00. 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 £7.50, compared to a current price of £12.52 — trading 67% above its estimated fair value. The current GF Score is 73, which is near median its 10-year median of 70.00. 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 GF Score calculated?
GF Score is calculated from a company's financial statements. For National Grid (CHIX:NGL), the current GF Score is 73 as of Jul. 01, 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% above its estimated GF Value™ of £7.50.
GuruFocus considers National Grid to be Significantly Overvalued.
Key valuation signals for CHIX:NGL:
GF Score: 73 (near median its 10-year median of 70.00)
GF Value™: £7.50 vs. price of £12.52 (67% above fair value)
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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