National Grid (NGG) Total Debt (2009 - 2026)
National Grid (NGG) posted Total Debt of -$361.3 million for Q1 2026, up 25.21% on a QoQ basis from -$483.1 million in Q3 2025, and up 24.71% year-over-year from -$289.7 million in Q1 2025.
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Analysis
National Grid (NGG) Total Debt (2009 - 2026) Analysis & Trends
National Grid has reported Total Debt for 18 years, with the latest figure at -$361.3 million in Q1 2026.
- On a quarterly basis, Total Debt rose 24.71% year-over-year to -$361.3 million in Q1 2026; TTM through Mar 2026 was -$361.3 million, a 24.71% increase from a year earlier, with the FY2026 full-year figure at -$361.3 million, up 24.71% from the prior year.
- Total Debt was -$361.3 million for Q1 2026 at National Grid, up from -$483.1 million in the prior quarter.
- The five-year high for Total Debt was -$193.2 million in Q1 2022, with the low at -$14.4 billion in Q4 2022.
- Average Total Debt over 5 years is -$3.1 billion, with a median of -$544.4 million recorded in 2024.
- The sharpest annual moves came in 2022 and 2023: Total Debt tumbled 174.91% in 2022, then surged 72.59% in 2023.
- Over 5 years, Total Debt stood at -$14.4 billion in 2022, then soared by 72.59% to -$3.9 billion in 2023, then sank by 69.07% to -$6.7 billion in 2024, then surged by 92.75% to -$483.1 million in 2025, then advanced by 25.21% to -$361.3 million in 2026.
- The last three Total Debt figures came in at -$361.3 million (Q1 2026), -$483.1 million (Q3 2025), and -$6.6 billion (Q2 2025), per Business Quant data.
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Total Debt (Qtr) |
|---|---|---|---|---|---|
| 1 | Enel Chile | 306.41 Bn | 306.41 Bn | 890.00 Mn | - |
| 2 | National Grid | 79.91 Bn | 76.14 Bn | - | -361.31 Mn |
| 3 | Dominion Energy | 54.94 Bn | 58.84 Bn | 3.50 Bn | 53.22 Bn |
| 4 | Xcel Energy | 44.99 Bn | 42.98 Bn | 3.12 Bn | 41.97 Bn |
| 5 | Wec Energy | 33.53 Bn | 33.88 Bn | 1.45 Bn | 23.08 Bn |
| 6 | Ameren | 28.13 Bn | 28.25 Bn | - | 21.81 Bn |
| 7 | Fortis | 27.32 Bn | 28.61 Bn | 1.60 Bn | 26.01 Bn |
| 8 | American Water Works Company | 26.60 Bn | 26.40 Bn | 874.00 Mn | 17.04 Bn |
| 9 | Atmos Energy | 26.60 Bn | 26.07 Bn | - | 10.25 Bn |
| 10 | Firstenergy | 25.89 Bn | 27.19 Bn | 2.51 Bn | 29.85 Bn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Mar 31, 2026 | -361.31 Mn |
| Sep 30, 2025 | -483.07 Mn |
| May 15, 2025 | -6.55 Bn |
| Mar 31, 2025 | -479.87 Mn |
| Dec 31, 2024 | -6.67 Bn |
| Sep 30, 2024 | -544.41 Mn |
| May 23, 2024 | -6.55 Bn |
| Mar 31, 2024 | -424.95 Mn |
| Dec 31, 2023 | -3.94 Bn |
| Sep 30, 2023 | -404.12 Mn |
| May 18, 2023 | -3.91 Bn |
| Mar 31, 2023 | -269.84 Mn |
| Dec 31, 2022 | -14.39 Bn |
| Sep 30, 2022 | -649.38 Mn |
| Mar 31, 2022 | -193.22 Mn |
| Dec 31, 2021 | -5.23 Bn |
| Jun 14, 2021 | 9.35 Bn |
| Mar 31, 2021 | -199.94 Mn |
| Mar 31, 2020 | -487.11 Mn |
| Mar 31, 2019 | -455.66 Mn |
API Access
National Grid Total Debt 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=total-debt&ticker=NGG&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "total-debt", "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=total-debt&ticker=NGG&period=max&api_key=YOUR_API_KEY");
const data = await res.json();