National Grid (NGG) Interest Coverage Ratio (2012 - 2025)
National Grid (NGG) posted Interest Coverage Ratio of 1.61 for Q3 2025, down 12.76% on a QoQ basis from 1.43 in Q3 2024, and down 12.76% year-over-year from 1.85 in Q3 2024.
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Analysis
National Grid (NGG) Interest Coverage Ratio (2012 - 2025) Analysis & Trends
National Grid has reported Interest Coverage Ratio for 10 years, with the latest figure at 1.61 in Q3 2025.
- On a quarterly basis, Interest Coverage Ratio fell 12.76% year-over-year to 1.61 in Q3 2025; TTM through Sep 2025 was 2.33, a 6.31% increase from a year earlier, with the FY2026 full-year figure at 3.19, down 16.66% from the prior year.
- Interest Coverage Ratio was 1.61 for Q3 2025 at National Grid, down from 1.43 in the prior quarter.
- The five-year high for Interest Coverage Ratio was 1.43 in Q3 2024, with the low at 3.17 in Q2 2024.
- Average Interest Coverage Ratio over 4 years is 2.25, with a median of 2.23 recorded in 2023.
- The largest YoY upside for Interest Coverage Ratio was 42.41% in 2024 against a maximum downside of 60.94% in 2024.
- Over 4 years, Interest Coverage Ratio stood at 2.84 in 2022, then grew by 12.74% to 2.48 in 2023, then soared by 42.41% to 1.43 in 2024, then dropped by 12.76% to 1.61 in 2025.
- The last three Interest Coverage Ratio figures came in at 1.61 (Q3 2025), 1.43 (Q3 2024), and 3.17 (Q2 2024), per Business Quant data.
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Interest Cover (Qtr) |
|---|---|---|---|---|---|
| 1 | Enel Chile | 306.41 Bn | 306.41 Bn | 890.00 Mn | 5.19 |
| 2 | National Grid | 79.91 Bn | 76.14 Bn | - | - |
| 3 | Dominion Energy | 54.94 Bn | 58.84 Bn | 3.50 Bn | 0.59 |
| 4 | Xcel Energy | 44.99 Bn | 42.98 Bn | 3.12 Bn | 1.59 |
| 5 | Wec Energy | 33.53 Bn | 33.88 Bn | 1.45 Bn | 1.89 |
| 6 | Ameren | 28.13 Bn | 28.25 Bn | - | 2.20 |
| 7 | Fortis | 27.32 Bn | 28.61 Bn | 1.60 Bn | 2.08 |
| 8 | American Water Works Company | 26.60 Bn | 26.40 Bn | 874.00 Mn | 3.25 |
| 9 | Atmos Energy | 26.60 Bn | 26.07 Bn | - | 9.67 |
| 10 | Firstenergy | 25.89 Bn | 27.19 Bn | 2.51 Bn | 2.01 |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2025 | -1.61 |
| Sep 30, 2024 | -1.43 |
| May 23, 2024 | -3.17 |
| Sep 30, 2023 | -2.48 |
| May 18, 2023 | -1.97 |
| Dec 31, 2022 | -2.84 |
| Sep 30, 2017 | -1.20 |
| Sep 30, 2016 | -0.77 |
| Sep 30, 2015 | -1.74 |
| Sep 30, 2014 | -3.63 |
| Sep 30, 2013 | -3.04 |
| Sep 30, 2012 | -3.03 |
API Access
National Grid Interest Coverage Ratio API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=interest-coverage-ratio&ticker=NGG&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "interest-coverage-ratio", "ticker": "NGG", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=interest-coverage-ratio&ticker=NGG&period=max&api_key=YOUR_API_KEY");
const data = await res.json();