SAIDI
143 min per year
Average outage minutes (2023)
City of Greeneville - (TN) is a municipally-owned utility operating in Tennessee under EIA identifier 7625. It reports service to approximately 40,349 customer accounts and generated about $0.11 billion in annual electric revenue, with a service footprint spanning 19 ZIP codes. Municipal ownership means a local board or city council typically oversees this utility, and it is exempt from federal income tax.
In 2023, the average City of Greeneville - (TN) customer experienced 143.4 minutes of power interruptions, a measure known as SAIDI, or System Average Interruption Duration Index. That is comfortably under the 120–180 minute national benchmark range, a sign of solid grid resilience and quick outage response. SAIFI, the average number of outage events per customer, was 1.97 for the same period, so customers statistically faced roughly 2 distinct interruptions that year. Excluding major event days (hurricanes, ice storms), SAIDI drops to 75.8 minutes, the gap between that figure and the headline 143.4 reveals how much weather, not day-to-day infrastructure, drove outages.
The EIA dataset includes 4 years of continuous reporting (2020–2023) for City of Greeneville - (TN), which lets you see whether reliability is trending up or down rather than judging from a single snapshot. Over that span, SAIDI rose from 90.0 to 143.4 minutes, possibly reflecting tougher weather years or grid upgrades that have not caught up yet.
SAIDI
143 min per year
Average outage minutes (2023)
SAIFI
1.97 interruptions/yr
Events per customer (2023)
Customers
40,349
Served in Tennessee
143 outage minutes per customer annually
Annual minutes without electric service (2023)
| Year | SAIDI (min) | SAIDI nMED | SAIFI | Customers |
|---|---|---|---|---|
| 2020 | 90.0 | 81.0 | 2.000 | 38,446 |
| 2021 | 86.9 | 77.2 | 1.423 | 38,996 |
| 2022 | 212.6 | 62.1 | 3.397 | 39,478 |
| 2023 | 143.4 | 75.8 | 1.971 | 40,006 |
SAIDI nMED = SAIDI without major event days. Source: EIA Form 861.
City of Greeneville - (TN) serves 19 ZIP codes in Tennessee.
City of Greeneville - (TN) had a SAIDI of 143.4 minutes in 2023. Leaving aside major weather events, that figure comes in under the national average, pointing to above-average reliability.
City of Greeneville - (TN) is classified as a Municipal serving Tennessee.
City of Greeneville - (TN) serves approximately 40,349 customers in Tennessee.
City of Greeneville - (TN) has 4 years of reliability data (2020-2023). This utility's SAIDI has stayed fairly flat over the period. Review the trend table above for year-by-year detail.
Source: U.S. Energy Information Administration Form 861 annual electric power industry survey · ZIP service territory: OpenEI. Disclaimer: informational only, not professional advice. See full disclaimer.
Every figure on PlainUtility is rendered directly from the U.S. Energy Information Administration's Form 861 reliability data, no number is typed in by an editor. This utility's SAIDI/SAIFI figures are rendered directly from EIA Form 861 reliability files. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2020-2023.