National Grid (NGG) Interest Expenses (2012 - 2025)
National Grid (NGG) posted Interest Expenses of -$1.3 billion for Q3 2025, down 7.37% on a QoQ basis from -$1.2 billion in Q3 2024, and down 7.37% year-over-year from -$1.4 billion in Q3 2024.
National Grid (NGG) Interest Expenses (2012 - 2025) Analysis & Trends
National Grid has reported Interest Expenses for 10 years, with the latest figure at -$1.3 billion in Q3 2025.
- On a quarterly basis, Interest Expenses fell 7.37% year-over-year to -$1.3 billion in Q3 2025; TTM through Sep 2025 was -$5.6 billion, a 17.25% decrease from a year earlier, with the FY2026 full-year figure at -$2.3 billion, down 1.0% from the prior year.
- Interest Expenses was -$1.3 billion for Q3 2025 at National Grid, down from -$1.2 billion in the prior quarter.
- The five-year high for Interest Expenses was -$269.8 million in Q4 2022, with the low at -$2.2 billion in Q2 2024.
- Average Interest Expenses over 4 years is -$1.1 billion, with a median of -$1.1 billion recorded in 2024.
- The sharpest annual moves came in 2024 and 2025: Interest Expenses slumped 386.48% in 2024, then slipped 7.37% in 2025.
- Over 4 years, Interest Expenses stood at -$269.8 million in 2022, then plunged by 273.33% to -$1.0 billion in 2023, then fell by 18.17% to -$1.2 billion in 2024, then dropped by 7.37% to -$1.3 billion in 2025.
- The last three Interest Expenses figures came in at -$1.3 billion (Q3 2025), -$1.2 billion (Q3 2024), and -$2.2 billion (Q2 2024), per Business Quant data.
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Int Expense (Qtr) |
|---|---|---|---|---|---|
| 1 | Enel Chile | 306.41 Bn | 306.41 Bn | 890.00 Mn | -132.00 Mn |
| 2 | National Grid | 79.91 Bn | 76.14 Bn | - | - |
| 3 | Dominion Energy | 54.94 Bn | 58.84 Bn | 3.50 Bn | 555.00 Mn |
| 4 | Xcel Energy | 44.99 Bn | 42.98 Bn | 3.12 Bn | 443.00 Mn |
| 5 | Wec Energy | 33.53 Bn | 33.88 Bn | 1.45 Bn | 228.90 Mn |
| 6 | Ameren | 28.13 Bn | 28.25 Bn | - | 209.00 Mn |
| 7 | Fortis | 27.32 Bn | 28.61 Bn | 1.60 Bn | 279.77 Mn |
| 8 | Firstenergy | 25.89 Bn | 27.19 Bn | 2.51 Bn | 337.00 Mn |
| 9 | Hydro One | 21.93 Bn | 21.54 Bn | - | 130.85 Mn |
| 10 | Edison International | 21.17 Bn | 20.93 Bn | 3.29 Bn | 514.00 Mn |
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2025 | -1.28 Bn |
| Sep 30, 2024 | -1.19 Bn |
| May 23, 2024 | -2.17 Bn |
| Sep 30, 2023 | -1.01 Bn |
| May 18, 2023 | -446.80 Mn |
| Dec 31, 2022 | -269.77 Mn |
| Sep 30, 2017 | -1.38 Bn |
| Sep 30, 2016 | -2.62 Bn |
| Sep 30, 2015 | -1.64 Bn |
| Sep 30, 2014 | -253.21 Mn |
| Sep 30, 2013 | -779.19 Mn |
| Sep 30, 2012 | -909.29 Mn |
National Grid Interest Expenses 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-expenses&ticker=NGG&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "interest-expenses", "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-expenses&ticker=NGG&period=max&api_key=YOUR_API_KEY");
const data = await res.json();