Utility Operations and Maintenance Expenses
page last updated: December 3, 2025
Definitions
- An Operation and Maintenance (O&M) statement is a financial or operational report used to track the costs and activities associated with operating and maintaining assets.
- The purpose of an O&M Statement is to ensure efficient, safe, and cost-effective operation of equipment, facilities, or systems.
Source: AGA, Gas Facts
Utility Operations and Maintenance Expenses
Millions of Dollars
Year | Company Type | OPEX - Total | Maintenance - Total |
|---|---|---|---|
| 2024 | TOTAL | 50,073 | 3,962 |
| 2023 | TOTAL | 68,356 | 4,410 |
| 2022 | TOTAL | 66,118 | 4,041 |
| 2021 | TOTAL | 46,376 | 3,104 |
| 2020 | TOTAL | 38,750 | 3,138 |
| 2019 | TOTAL | 42,822 | 3,092 |
| 2018 | TOTAL | 45,236 | 4,402 |
| 2017 | TOTAL | 40,798 | 2,976 |
| 2016 | TOTAL | 37,733 | 3,606 |
| 2015 | TOTAL | 40,300 | 3,143 |
| 2014 | TOTAL | 48,543 | 2,925 |
| 2013 | TOTAL | 47,062 | 2,303 |
| 2012 | TOTAL | 42,270 | 2,227 |
| 2011 | TOTAL | 53,051 | 2,181 |
| 2010 | TOTAL | 55,584 | 2,209 |
| 2009 | TOTAL | 59,566 | 2,328 |
| 2008 | TOTAL | 80,042 | 2,324 |
| 2007 | TOTAL | 69,013 | 2,030 |
| 2006 | TOTAL | 71,466 | 2,027 |
| 2005 | TOTAL | 75,725 | 1,986 |
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