National Grid (NGG) Inventory (2009 - 2026)
National Grid (NGG) posted Inventory of $753.6 million for Q1 2026, down 12.87% on a QoQ basis from $864.9 million in Q3 2025, and up 7.43% year-over-year from $701.5 million in Q1 2025.
National Grid (NGG) Inventory (2009 - 2026) Analysis & Trends
National Grid has reported Inventory for 18 years, with the latest figure at $753.6 million in Q1 2026.
- On a quarterly basis, Inventory rose 7.43% year-over-year to $753.6 million in Q1 2026; TTM through Mar 2026 was $753.6 million, a 7.43% increase from a year earlier, with the FY2026 full-year figure at $753.6 million, up 7.43% from the prior year.
- Inventory was $753.6 million for Q1 2026 at National Grid, down from $864.9 million in the prior quarter.
- The five-year high for Inventory was $1.2 billion in Q3 2023, with the low at $599.4 million in Q4 2022.
- Average Inventory over 5 years is $924.2 million, with a median of $1.0 billion recorded in 2024.
- The sharpest annual moves came in 2023 and 2025: Inventory surged 81.4% in 2023, then plunged 33.21% in 2025.
- Over 5 years, Inventory stood at $599.4 million in 2022, then soared by 81.4% to $1.1 billion in 2023, then fell by 2.25% to $1.1 billion in 2024, then retreated by 18.61% to $864.9 million in 2025, then declined by 12.87% to $753.6 million in 2026.
- The last three Inventory figures came in at $753.6 million (Q1 2026), $864.9 million (Q3 2025), and $723.9 million (Q2 2025), per Business Quant data.
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Inventory (Qtr) |
|---|---|---|---|---|---|
| 1 | Enel Chile | 306.41 Bn | 306.41 Bn | 890.00 Mn | - |
| 2 | National Grid | 79.91 Bn | 76.14 Bn | - | 753.63 Mn |
| 3 | Dominion Energy | 54.94 Bn | 58.84 Bn | 3.50 Bn | 2.01 Bn |
| 4 | Xcel Energy | 44.99 Bn | 42.98 Bn | 3.12 Bn | 745.00 Mn |
| 5 | Wec Energy | 33.53 Bn | 33.88 Bn | 1.45 Bn | 744.60 Mn |
| 6 | Ameren | 28.13 Bn | 28.25 Bn | - | 800.00 Mn |
| 7 | Fortis | 27.32 Bn | 28.61 Bn | 1.60 Bn | 492.31 Mn |
| 8 | American Water Works Company | 26.60 Bn | 26.40 Bn | 874.00 Mn | - |
| 9 | Atmos Energy | 26.60 Bn | 26.07 Bn | - | - |
| 10 | Firstenergy | 25.89 Bn | 27.19 Bn | 2.51 Bn | 559.00 Mn |
Historic Data
| Date | Value |
|---|---|
| Mar 31, 2026 | 753.63 Mn |
| Sep 30, 2025 | 864.94 Mn |
| May 15, 2025 | 723.88 Mn |
| Mar 31, 2025 | 701.54 Mn |
| Dec 31, 2024 | 1.06 Bn |
| Sep 30, 2024 | 830.25 Mn |
| May 23, 2024 | 1.04 Bn |
| Mar 31, 2024 | 1.05 Bn |
| Dec 31, 2023 | 1.09 Bn |
| Sep 30, 2023 | 1.17 Bn |
| May 18, 2023 | 1.08 Bn |
| Mar 31, 2023 | 1.06 Bn |
| Dec 31, 2022 | 599.37 Mn |
| Sep 30, 2022 | 1.14 Bn |
| Mar 31, 2022 | 685.68 Mn |
| Dec 31, 2021 | 591.78 Mn |
| Mar 31, 2021 | 605.35 Mn |
| Mar 31, 2020 | 703.74 Mn |
| Mar 31, 2019 | 481.69 Mn |
| Sep 30, 2018 | 573.52 Mn |
National Grid Inventory 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=inventory&ticker=NGG&period=max&api_key=YOUR_API_KEY
import requests
url = "https://data.businessquant.com/historic"
params = {"slug": "inventory", "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=inventory&ticker=NGG&period=max&api_key=YOUR_API_KEY");
const data = await res.json();