Nisource (NI) Operations and Maintenance (2009 - 2026)
Nisource's Operations and Maintenance came in at $428.5 million for Q3 2026, up 6.8% from $401.1 million a year earlier but down 9.8% from the prior quarter.
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Analysis
Nisource (NI) Operations and Maintenance (2009 - 2026) Analysis & Trends
Over the trailing twelve months to Sep 30, 2026, Nisource reported Operations and Maintenance of $1.88 billion, up 14.0% year-over-year; for FY2025, it came in at $1.71 billion, up 12.9% from FY2024.
- Operations and Maintenance has increased in each of the last four years, with a five-year compound annual growth rate of 1.5% (FY2020 to FY2025).
- Going back by year, Operations and Maintenance was $1.52 billion in FY2024 (+1.4%), $1.49 billion in FY2023 (+0.4%), $1.49 billion in FY2022 (+2.3%) and $1.46 billion in FY2021 (-8.2%).
- The five-year range for quarterly Operations and Maintenance is $341.2 million (Q3 2023) to $489.2 million (Q1 2026).
- Year-over-year, Operations and Maintenance has increased for nine consecutive quarters, with growth averaging 12.4% over the last eight quarters.
- The fastest year-over-year change in Operations and Maintenance over five years came in Q2 2026 (growth of 19.9%), and the weakest in Q4 2021 (a decline of 6.8%).
- Business Quant data shows NI's Operations and Maintenance at $474.9 million (Q2 2026), $489.2 million (Q1 2026) and $485.1 million (Q4 2025) in the three quarters before Q3 2026.
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | O&M (Qtr) |
|---|---|---|---|---|---|
| 1 | Enel Chile | 299.49 Bn | 296.88 Bn | - | - |
| 2 | Nextera Energy | 179.92 Bn | 166.66 Bn | - | 1.43 Bn |
| 3 | Southern | 105.56 Bn | 96.61 Bn | 5.92 Bn | 1.71 Bn |
| 4 | Duke Energy | 99.44 Bn | 95.69 Bn | 5.66 Bn | 1.39 Bn |
| 5 | National Grid | 82.69 Bn | 64.32 Bn | - | - |
| 6 | American Electric Power | 68.52 Bn | 66.31 Bn | 4.75 Bn | - |
| 7 | Dominion Energy | 59.67 Bn | 57.66 Bn | - | 984.00 Mn |
| 8 | Entergy | 52.06 Bn | 38.50 Bn | - | 832.88 Mn |
| 9 | Sempra | 51.32 Bn | 50.45 Bn | 2.89 Bn | - |
| 10 | Nisource | 21.54 Bn | 21.23 Bn | 1.14 Bn | 428.50 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Sep 30, 2026 | 428.50 Mn |
| Jun 30, 2026 | 474.90 Mn |
| Mar 31, 2026 | 489.20 Mn |
| Dec 31, 2025 | 485.10 Mn |
| Sep 30, 2025 | 401.10 Mn |
| Jun 30, 2025 | 396.20 Mn |
| Mar 31, 2025 | 427.80 Mn |
| Dec 31, 2024 | 421.70 Mn |
| Sep 30, 2024 | 357.40 Mn |
| Jun 30, 2024 | 357.70 Mn |
| Mar 31, 2024 | 378.40 Mn |
| Dec 31, 2023 | 393.00 Mn |
| Sep 30, 2023 | 341.20 Mn |
| Jun 30, 2023 | 369.50 Mn |
| Mar 31, 2023 | 391.20 Mn |
| Dec 31, 2022 | 365.30 Mn |
| Sep 30, 2022 | 347.90 Mn |
| Jun 30, 2022 | 381.90 Mn |
| Mar 31, 2022 | 394.30 Mn |
| Dec 31, 2021 | 380.60 Mn |
API Access
Nisource Operations and Maintenance 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=operations-and-maintenance&ticker=NI&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "operations-and-maintenance", "ticker": "NI", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=operations-and-maintenance&ticker=NI&period=max&api_key=YOUR_API_KEY");
const data = await res.json();