NGG (National Grid) Debt-to-Asset : 0.43 (As of Mar. 2026)

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NGG National Grid PLC NGG
72 GF Score
Price $79.35
GF Value $51.77
Valuation Significantly Overvalued
! 4 Warning Signs
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What is National Grid Debt-to-Asset?

National Grid NGG -0.10% 72 Debt-to-Asset is 0.43 as of Mar. 2026. GuruFocus rates NGG with a GF Score™ of 72/100 and a GF Value™ of $51.77 (Significantly Overvalued). The stock has 4 warning signs investors should review.

National Grid's Short-Term Debt & Capital Lease Obligation for the quarter that ended in Mar. 2026 was $5,200 Mil. National Grid's Long-Term Debt & Capital Lease Obligation for the quarter that ended in Mar. 2026 was $57,140 Mil. National Grid's Long-Term Debt & Capital Lease ObligationTotal Assets for the quarter that ended in Mar. 2026 was $144,375 Mil. National Grid's debt to asset for the quarter that ended in Mar. 2026 was 0.43.

National Grid  (NYSE:NGG) Debt-to-Asset Explanation

In the calculation of Debt-to-Asset, we use the total of Short-Term Debt & Capital Lease Obligation and Long-Term Debt & Capital Lease Obligation divided by Total Assets.

National Grid Debt-to-Asset Related Terms

National Grid Debt-to-Asset Historical Data

* Premium members only.

The historical data trend for National Grid's Debt-to-Asset 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.

National Grid Debt-to-Asset Chart

National Grid Annual Data
Trend Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
Debt-to-Asset
Get a 7-Day Free Trial Premium Member Only Premium Member Only 0.48 0.46 0.48 0.45 0.43

National Grid Semi-Annual Data
Sep16 Mar17 Sep17 Mar18 Sep18 Mar19 Sep19 Mar20 Sep20 Mar21 Sep21 Mar22 Sep22 Mar23 Sep23 Mar24 Sep24 Mar25 Sep25 Mar26
Debt-to-Asset Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 0.48 0.44 0.45 0.44 0.43

NGG vs NEE, SO, DUK: Debt-to-Asset Comparison

For the Utilities - Regulated Electric subindustry, National Grid's Debt-to-Asset, along with its competitors' market caps and Debt-to-Asset 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 Debt-to-Asset vs Utilities - Regulated Industry

For the Utilities - Regulated industry and Utilities sector, National Grid's Debt-to-Asset distribution charts can be found below:

* The bar in red indicates where National Grid's Debt-to-Asset falls into.


NGG
72GF Score
National Grid PLC NGG
Debt-to-Asset is just one metric. See GF Score™, valuation, warning signs, and more.
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National Grid Debt-to-Asset Calculation

Debt to Asset measures the financial leverage a company has.

National Grid's Debt-to-Asset for the fiscal year that ended in Mar. 2026 is calculated as

Debt-to-Asset=Total Debt / Total Assets
=(Short-Term Debt & Capital Lease Obligation + Long-Term Debt & Capital Lease Obligation) / Total Assets
=(5200 + 57140) / 144374.667
=0.43

National Grid's Debt-to-Asset for the quarter that ended in Mar. 2026 is calculated as

Debt-to-Asset=Total Debt / Total Assets
=(Short-Term Debt & Capital Lease Obligation + Long-Term Debt & Capital Lease Obligation) / Total Assets
=(5200 + 57140) / 144374.667
=0.43

* 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.

Frequently Asked Questions Learn more about Debt-to-Asset →
What does a Debt-to-Asset of 0.43 mean?
National Grid (NGG) has a Debt-to-Asset of 0.43 as of Mar. 2026. Debt-to-asset ratio represents the ratio of total debt to total assets. View historical data on National Grid and its competitors.
Is National Grid's Debt-to-Asset too high?
National Grid's current Debt-to-Asset is 0.43. Overall, National Grid has a GF Score™ of 72/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does National Grid's Debt-to-Asset compare to NEE and SO?
National Grid's Debt-to-Asset of 0.43 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 Debt-to-Asset for an Utilities - Regulated company?
A good Debt-to-Asset depends on the Utilities - Regulated industry context. However, Debt-to-Asset 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 Debt-to-Asset mean?
A high Debt-to-Asset can signal that a stock is expensive relative to its fundamentals. Debt-to-asset ratio represents the ratio of total debt to total assets. View historical data on National Grid and its competitors. National Grid's current Debt-to-Asset is 0.43. 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 (NGG) is currently considered Significantly Overvalued. The stock's GF Value™ is $51.77, compared to a current price of $79.35 — trading 53.3% above its estimated fair value. The current Debt-to-Asset is 0.43. National Grid's overall GF Score™ is 72/100 with 4 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Debt-to-Asset calculated?
Debt-to-Asset is calculated from a company's financial statements. For National Grid (NGG), the current Debt-to-Asset is 0.43 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 National Grid (NGG) Overvalued in 2026?

Based on GuruFocus' analysis, National Grid stock appears to be overvalued. The current stock price of $79.35 is trading 53.3% above its estimated GF Value™ of $51.77. GuruFocus considers National Grid to be Significantly Overvalued.

Key valuation signals for NGG:

  • Debt-to-Asset: 0.43
  • GF Value™: $51.77 vs. price of $79.35 (53.3% above fair value)
  • GF Score™: 72/100 with 4 warning signs

No single metric tells the full story. See the NGG stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.

National Grid Business Description

Address 1-3 Strand, London, GBR, WC2N 5EH
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.
72GF Score

Get the complete analysis for NGG

Debt-to-Asset is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$79.35
Price
$51.77
GF Value