National Grid (NGG) Tax Provisions (2009 - 2025)
National Grid (NGG) posted Tax Provisions of -$280.7 million for Q3 2025, down 31.86% on a QoQ basis from -$212.9 million in Q1 2025, and down 92.87% year-over-year from -$3.9 billion in Q3 2024.
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Analysis
National Grid (NGG) Tax Provisions (2009 - 2025) Analysis & Trends
National Grid has reported Tax Provisions for 12 years, with the latest figure at -$280.7 million in Q3 2025.
- On a quarterly basis, Tax Provisions fell 92.87% year-over-year to -$280.7 million in Q3 2025; TTM through Sep 2025 was $627.8 million, a 125.13% increase from a year earlier, with the FY2026 full-year figure at -$1.3 billion, down 22.43% from the prior year.
- Tax Provisions was -$280.7 million for Q3 2025 at National Grid, down from -$212.9 million in the prior quarter.
- The five-year high for Tax Provisions was $1.3 billion in Q4 2024, with the low at -$1.2 billion in Q2 2024.
- Average Tax Provisions over 4 years is -$235.9 million, with a median of -$276.8 million recorded in 2022.
- The largest YoY upside for Tax Provisions was 274.47% in 2024 against a maximum downside of 917.67% in 2024.
- Over 4 years, Tax Provisions stood at -$276.8 million in 2022, then sank by 162.3% to -$726.1 million in 2023, then soared by 274.47% to $1.3 billion in 2024, then slumped by 122.16% to -$280.7 million in 2025.
- The last three Tax Provisions figures came in at -$280.7 million (Q3 2025), -$212.9 million (Q1 2025), and $1.3 billion (Q4 2024), per Business Quant data.
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Taxes (Qtr) |
|---|---|---|---|---|---|
| 1 | Enel Chile | 306.41 Bn | 306.41 Bn | 890.00 Mn | -98.00 Mn |
| 2 | National Grid | 79.91 Bn | 76.14 Bn | - | - |
| 3 | Dominion Energy | 54.94 Bn | 58.84 Bn | 3.50 Bn | 122.00 Mn |
| 4 | Xcel Energy | 44.99 Bn | 42.98 Bn | 3.12 Bn | -60.00 Mn |
| 5 | Wec Energy | 33.53 Bn | 33.88 Bn | 1.45 Bn | 27.00 Mn |
| 6 | Ameren | 28.13 Bn | 28.25 Bn | - | 52.00 Mn |
| 7 | Fortis | 27.32 Bn | 28.61 Bn | 1.60 Bn | 54.94 Mn |
| 8 | Firstenergy | 25.89 Bn | 27.19 Bn | 2.51 Bn | 92.00 Mn |
| 9 | Hydro One | 21.93 Bn | 21.54 Bn | - | 49.88 Mn |
| 10 | Edison International | 21.17 Bn | 20.93 Bn | 3.29 Bn | 114.00 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2025 | -280.67 Mn |
| Mar 31, 2025 | -212.86 Mn |
| Dec 31, 2024 | 1.27 Bn |
| Sep 30, 2024 | -145.52 Mn |
| May 23, 2024 | -1.24 Bn |
| Dec 31, 2023 | -726.07 Mn |
| Sep 30, 2023 | -386.50 Mn |
| May 18, 2023 | -121.85 Mn |
| Dec 31, 2022 | -276.81 Mn |
| Sep 30, 2017 | -197.81 Mn |
| Sep 30, 2016 | 2.02 Bn |
| Mar 31, 2016 | -45.87 Mn |
| Dec 31, 2015 | -31.87 Mn |
| Sep 30, 2015 | 2.83 Bn |
| Sep 30, 2014 | 1.06 Bn |
| Sep 30, 2013 | 2.43 Bn |
| Sep 30, 2012 | 2.51 Bn |
| Mar 31, 2012 | 273.37 Mn |
| Dec 31, 2010 | -426.57 Mn |
| Sep 30, 2009 | 1.83 Bn |
API Access
National Grid Tax Provisions 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=tax-provisions&ticker=NGG&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "tax-provisions", "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=tax-provisions&ticker=NGG&period=max&api_key=YOUR_API_KEY");
const data = await res.json();