National Grid (CHIX:NGL) Long-Term Debt: £42,107 Mil (As of Mar. 2026)


CHIX:NGL National Grid PLC CHIX:NGL
74 GF Score
Price £12.47
GF Value £7.44
Valuation Significantly Overvalued
! 5 Warning Signs
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What is National Grid Long-Term Debt?

National Grid CHIX:NGL +1.75% 74 Long-Term Debt is £42,107 Mil as of Mar. 2026. GuruFocus rates CHIX:NGL with a GF Score™ of 74/100 and a GF Value™ of £7.44 (Significantly Overvalued). The stock has 5 warning signs investors should review.

National Grid's Long-Term Debt for the quarter that ended in Mar. 2026 was £42,107 Mil.

National Grid's quarterly Long-Term Debt declined from Mar. 2025 (£42,168 Mil) to Sep. 2025 (£0 Mil) but then increased from Sep. 2025 (£0 Mil) to Mar. 2026 (£42,107 Mil).

National Grid's annual Long-Term Debt increased from Mar. 2024 (£41,548 Mil) to Mar. 2025 (£42,168 Mil) but then declined from Mar. 2025 (£42,168 Mil) to Mar. 2026 (£42,107 Mil).

National Grid  (CHIX:NGl) Long-Term Debt Explanation

Long-Term Debt is the sum of the carrying values as of the balance sheet date of all long-term debt, which is debt initially having maturities due after one year or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year or the normal operating cycle, if longer. Long-Term Debt includes notes payable, bonds payable, mortgage loans, convertible debt, subordinated debt and other types of long term debt.

National Grid Long-Term Debt Related Terms

National Grid Long-Term Debt Historical Data

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The historical data trend for National Grid's Long-Term Debt 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 Long-Term Debt Chart

National Grid Annual Data
Trend Mar17 Mar18 Mar19 Mar20 Mar21 Mar22 Mar23 Mar24 Mar25 Mar26
Long-Term Debt
Get a 7-Day Free Trial Premium Member Only Premium Member Only 32,893.00 39,412.00 41,548.00 42,168.00 42,107.00

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
Long-Term Debt 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 41,548.00 0.00 42,168.00 0.00 42,107.00
CHIX:NGL
74GF Score
National Grid PLC CHIX:NGL
Long-Term Debt is just one metric. See GF Score™, valuation, warning signs, and more.
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Frequently Asked Questions Learn more about Long-Term Debt →
What does a Long-Term Debt of £42,107 Mil mean?
National Grid (CHIX:NGL) has a Long-Term Debt of £42,107 Mil as of Mar. 2026.
Is National Grid's Long-Term Debt too high?
National Grid's current Long-Term Debt is £42,107 Mil. Overall, National Grid has a GF Score™ of 74/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does National Grid's Long-Term Debt compare to NEE and SO?
National Grid's Long-Term Debt of £42,107 Mil 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 Long-Term Debt for an Utilities - Regulated company?
A good Long-Term Debt depends on the Utilities - Regulated industry context. However, Long-Term Debt 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 Long-Term Debt mean?
A high Long-Term Debt can signal that a stock is expensive relative to its fundamentals. National Grid's current Long-Term Debt is £42,107 Mil. 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 £7.44, compared to a current price of £12.47 — trading 67.6% above its estimated fair value. The current Long-Term Debt is £42,107 Mil. National Grid's overall GF Score™ is 74/100 with 5 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Long-Term Debt calculated?
Long-Term Debt is calculated from a company's financial statements. For National Grid (CHIX:NGL), the current Long-Term Debt is £42,107 Mil 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 (CHIX:NGL) Overvalued in 2026?

Based on GuruFocus' analysis, National Grid stock appears to be overvalued. The current stock price of £12.47 is trading 67.6% above its estimated GF Value™ of £7.44. GuruFocus considers National Grid to be Significantly Overvalued.

Key valuation signals for CHIX:NGL:

  • Long-Term Debt: £42,107 Mil
  • GF Value™: £7.44 vs. price of £12.47 (67.6% above fair value)
  • GF Score™: 74/100 with 5 warning signs

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 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.
74GF Score

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

£12.47
Price
£7.44
GF Value