Naturgy Energy Group (WBO:GAS) Interest Coverage: 3.81 (As of Dec. 2025) — 22% Below Median


WBO:GAS Naturgy Energy Group SA WBO:GAS
66 GF Score
Price €27.90
GF Value €22.43
Valuation Modestly Overvalued
! 7 Warning Signs
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What is Naturgy Energy Group Interest Coverage?

Naturgy Energy Group WBO:GAS +0.07% 66 Interest Coverage is 3.81 as of Dec. 2025, which is 22% below its 10-year median of 4.90. GuruFocus rates WBO:GAS with a GF Score™ of 66/100 and a GF Value™ of €22.43 (Modestly Overvalued). The stock has 7 warning signs investors should review. Among 449 Utilities - Regulated companies, Naturgy Energy Group ranks better than 61.47% on this metric.

Interest Coverage is a ratio that determines how easily a company can pay interest expenses on outstanding debt. It is calculated by dividing a company's Operating Income by its Interest Expense. Naturgy Energy Group's Operating Income for the six months ended in Dec. 2025 was €1,780 Mil. Naturgy Energy Group's Interest Expense for the six months ended in Dec. 2025 was €-467 Mil. Naturgy Energy Group's interest coverage for the quarter that ended in Dec. 2025 was 3.81. The higher the ratio, the stronger the company's financial strength is.

The historical rank and industry rank for Naturgy Energy Group's Interest Coverage or its related term are showing as below:

WBO:GAS' s Interest Coverage Range Over the Past 10 Years
Min: 3.68   Med: 4.9   Max: 6.17
Current: 5.25


WBO:GAS's Interest Coverage is ranked better than
61.47% of 449 companies
in the Utilities - Regulated industry
Industry Median: 3.78 vs WBO:GAS: 5.25

Note: If both Interest Expense and Interest Income are empty, while Net Interest Income is negative, then use Net Interest Income as Interest Expense.


Naturgy Energy Group  (WBO:GAS) Interest Coverage Explanation

Ben Graham requires that a company has a minimum interest coverage of 5 with the companies he invested. If the interest coverage is less than 2, the company is burdened by debt. Any business slow or recession may drag the company into a situation where it cannot pay the interest on its debt.

Interest Coverage is an important factor when GuruFocus ranks a company's overage Financial Strength .


Naturgy Energy Group Interest Coverage Related Terms


Naturgy Energy Group Interest Coverage Historical Data

* Premium members only.

The historical data trend for Naturgy Energy Group's Interest Coverage 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.

Note: For Interest Coverage, "No debt" indicates no long-term debt. An indication of "No Debt" does not necessarily mean that the company has no long-term debt obligations; it could be due to missing data in the quarterly or annual report. Use caution when interpreting this information.

Naturgy Energy Group Interest Coverage Chart

Naturgy Energy Group Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Interest Coverage
Get a 7-Day Free Trial Premium Member Only Premium Member Only 4.82 6.17 5.79 5.37 5.25

Naturgy Energy Group Semi-Annual Data
Jun16 Dec16 Jun17 Dec17 Jun18 Dec18 Jun19 Dec19 Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
Interest Coverage 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 5.01 8.23 3.84 7.87 3.81

WBO:GAS vs ATO, NI, UGI: Interest Coverage Comparison

For the Utilities - Regulated Gas subindustry, Naturgy Energy Group's Interest Coverage, along with its competitors' market caps and Interest Coverage 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.


Naturgy Energy Group Interest Coverage vs Utilities - Regulated Industry

For the Utilities - Regulated industry and Utilities sector, Naturgy Energy Group's Interest Coverage distribution charts can be found below:

* The bar in red indicates where Naturgy Energy Group's Interest Coverage falls into.


WBO:GAS
66GF Score
Naturgy Energy Group SA WBO:GAS
Interest Coverage is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Naturgy Energy Group Interest Coverage Calculation

Interest Coverage is a ratio that determines how easily a company can pay interest expenses on outstanding debt. It is calculated by dividing a company's Operating Income (EBIT) by its Interest Expense:

If Interest Expense is negative and Operating Income is positive, then

Interest Coverage=-1* Operating Income /Interest Expense

Else if Interest Expense is negative and Operating Income is negative, then

The company did not have earnings to cover the interest expense.

Else if Interest Expense is 0 and Long-Term Debt & Capital Lease Obligation is 0, then

The company had no debt (1).


Note: If both Interest Expense and Interest Income are empty, while Net Interest Income is negative, then use Net Interest Income as Interest Expense.

Naturgy Energy Group's Interest Coverage for the fiscal year that ended in Dec. 2025 is calculated as

Here, for the fiscal year that ended in Dec. 2025, Naturgy Energy Group's Interest Expense was €-724 Mil. Its Operating Income was €3,803 Mil. And its Long-Term Debt & Capital Lease Obligation was €13,992 Mil.

Interest Coverage=-1* Operating Income (A: Dec. 2025 )/Interest Expense (A: Dec. 2025 )
=-1*3803/-724
=5.25

Naturgy Energy Group's Interest Coverage for the quarter that ended in Dec. 2025 is calculated as

Here, for the six months ended in Dec. 2025, Naturgy Energy Group's Interest Expense was €-467 Mil. Its Operating Income was €1,780 Mil. And its Long-Term Debt & Capital Lease Obligation was €13,992 Mil.

Interest Coverage=-1* Operating Income (Q: Dec. 2025 )/Interest Expense (Q: Dec. 2025 )
=-1*1780/-467
=3.81

* 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.

The higher the ratio, the stronger the company's Financial Strength is.

Frequently Asked Questions Learn more about Interest Coverage →
What does a Interest Coverage of 3.81 mean?
Naturgy Energy Group (WBO:GAS) has a Interest Coverage of 3.81 as of Dec. 2025. Interest Coverage measures a company's capability to pay interest expenses on its debt. View historical data on Naturgy Energy Group and its competitors. This is 22% below median its historical median of 4.90. Over the past decade, Naturgy Energy Group's Interest Coverage has ranged from 3.68 to 6.17. According to the industry distribution chart, Naturgy Energy Group ranks #173 out of 449 companies in the Utilities - Regulated industry, placing it in the top 38.5%.
Is Naturgy Energy Group's Interest Coverage too high?
Naturgy Energy Group's current Interest Coverage of 3.81 is 22% below median its 10-year median of 4.90. Over the past 10 years, this metric has ranged from a low of 3.68 to a high of 6.17. The Utilities - Regulated industry median Interest Coverage is 3.78. Naturgy Energy Group's value of 3.81 is 0.8% above this industry median. Based on the distribution chart, Naturgy Energy Group ranks #173 out of 449 companies in the Utilities - Regulated industry, which is above the industry midpoint. Overall, Naturgy Energy Group has a GF Score™ of 66/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Naturgy Energy Group's Interest Coverage compare to ATO and NI?
According to the Utilities - Regulated industry distribution chart, Naturgy Energy Group ranks #173 out of 449 companies for Interest Coverage. This puts Naturgy Energy Group in the upper half of its industry. The industry median Interest Coverage is 3.78. Naturgy Energy Group's value of 3.81 is 0.8% above this benchmark. Historically, Naturgy Energy Group's own Interest Coverage has ranged from 3.68 to 6.17 over the past decade. While the company's 10-year median is 4.90 vs. the industry median of 3.78, Naturgy Energy Group 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 Interest Coverage for an Utilities - Regulated company?
The median Interest Coverage among Utilities - Regulated companies is 3.78, based on 449 companies in the industry. Companies in the top quartile (top 25%) have a Interest Coverage significantly above this median, while those in the bottom quartile fall well below. However, Interest Coverage should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Naturgy Energy Group's current Interest Coverage of 3.81 is 0.8% 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 Interest Coverage mean?
A high Interest Coverage can signal that a stock is expensive relative to its fundamentals. Interest Coverage measures a company's capability to pay interest expenses on its debt. View historical data on Naturgy Energy Group and its competitors. For the Utilities - Regulated industry, the median Interest Coverage is 3.78 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Naturgy Energy Group's current Interest Coverage is 3.81, which is 22% below median its own 10-year median of 4.90. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Naturgy Energy Group stock overvalued right now?
Based on GuruFocus' analysis, Naturgy Energy Group (WBO:GAS) is currently considered Modestly Overvalued. The stock's GF Value™ is €22.43, compared to a current price of €27.90 — trading 24.4% above its estimated fair value. The current Interest Coverage is 3.81, which is 22% below median its 10-year median of 4.90 and 0.8% above the Utilities - Regulated industry median of 3.78. Naturgy Energy Group's overall GF Score™ is 66/100 with 7 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Interest Coverage calculated?
Interest Coverage is calculated from a company's financial statements. For Naturgy Energy Group (WBO:GAS), the current Interest Coverage is 3.81 as of Dec. 2025. 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 Naturgy Energy Group (WBO:GAS) Overvalued in 2026?

Based on GuruFocus' analysis, Naturgy Energy Group stock appears to be overvalued. The current stock price of €27.90 is trading 24.4% above its estimated GF Value™ of €22.43. GuruFocus considers Naturgy Energy Group to be Modestly Overvalued.

Key valuation signals for WBO:GAS:

  • Interest Coverage: 3.81 (22% below median its 10-year median of 4.90)
  • GF Value™: €22.43 vs. price of €27.90 (24.4% above fair value)
  • GF Score™: 66/100 with 7 warning signs
  • Industry Position: 0.8% above the Utilities - Regulated median (#173 of 449)

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


Naturgy Energy Group Business Description

Address Avenida de America 38, Madrid, ESP
Naturgy stems from the 2008 acquisition of Union Fenosa. The company operates across the gas value chain, from procurement to distribution and marketing. It owns and operates the largest gas distribution network in Spain, where it is also the leading retail gas supplier. The company additionally operates gas and electricity distribution networks across several Latin American countries. It owns 17.9 GW of generation capacity, including 7.3 GW of wind and solar.
66GF Score

Get the complete analysis for WBO:GAS

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

€27.90
Price
€22.43
GF Value