National Grid (NGG) Operating Margin (2009 - 2025)
National Grid (NGG) posted Operating Margin of 21.6% for Q3 2025, up 31.36% on a QoQ basis from 16.44% in Q3 2024, and up 516.0% year-over-year from 3.51% in Q3 2024.
National Grid (NGG) Operating Margin (2009 - 2025) Analysis & Trends
National Grid has reported Operating Margin for 11 years, with the latest figure at 21.6% in Q3 2025.
- On a quarterly basis, Operating Margin rose 516.0% year-over-year to 21.6% in Q3 2025; TTM through Sep 2025 was 40.41%, a 824.0% decrease from a year earlier, with the FY2026 full-year figure at 30.71%, up 386.0% from the prior year.
- Operating Margin was 21.6% for Q3 2025 at National Grid, up from 16.44% in the prior quarter.
- The five-year high for Operating Margin was 48.02% in Q4 2022, with the low at 16.44% in Q3 2024.
- Average Operating Margin over 4 years is 30.8%, with a median of 23.38% recorded in 2023.
- The sharpest annual moves came in 2024 and 2025: Operating Margin slumped 694 bps in 2024, then soared 516 bps in 2025.
- Over 4 years, Operating Margin stood at 48.02% in 2022, then slumped by 51 bps to 23.38% in 2023, then declined by 30 bps to 16.44% in 2024, then jumped by 31 bps to 21.6% in 2025.
- The last three Operating Margin figures came in at 21.6% (Q3 2025), 16.44% (Q3 2024), and 23.38% (Q3 2023), per Business Quant data.
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Operating Margin (Qtr) |
|---|---|---|---|---|---|
| 1 | Enel Chile | 306.41 Bn | 306.41 Bn | 890.00 Mn | 30.20% |
| 2 | National Grid | 79.91 Bn | 76.14 Bn | - | - |
| 3 | Dominion Energy | 54.94 Bn | 58.84 Bn | 3.50 Bn | 7.34% |
| 4 | Xcel Energy | 44.99 Bn | 42.98 Bn | 3.12 Bn | 22.64% |
| 5 | Wec Energy | 33.53 Bn | 33.88 Bn | 1.45 Bn | 20.99% |
| 6 | Ameren | 28.13 Bn | 28.25 Bn | - | 21.94% |
| 7 | Fortis | 27.32 Bn | 28.61 Bn | 1.60 Bn | 27.43% |
| 8 | American Water Works Company | 26.60 Bn | 26.40 Bn | 874.00 Mn | 40.00% |
| 9 | Atmos Energy | 26.60 Bn | 26.07 Bn | - | 36.45% |
| 10 | Firstenergy | 25.89 Bn | 27.19 Bn | 2.51 Bn | 18.41% |
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2025 | 21.60% |
| Sep 30, 2024 | 16.44% |
| Sep 30, 2023 | 23.38% |
| May 18, 2023 | 44.58% |
| Dec 31, 2022 | 48.02% |
| Sep 30, 2017 | 19.06% |
| Sep 30, 2016 | 20.44% |
| Mar 31, 2016 | 66.16% |
| Dec 31, 2015 | 51.85% |
| Sep 30, 2015 | 26.98% |
| Sep 30, 2014 | 39.09% |
| Sep 30, 2013 | 22.84% |
| Sep 30, 2012 | 28.62% |
| Sep 30, 2009 | 23.23% |
National Grid Operating Margin 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=operating-margin&ticker=NGG&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "operating-margin", "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=operating-margin&ticker=NGG&period=max&api_key=YOUR_API_KEY");
const data = await res.json();