SAIDI
486 min per year
Mean outage duration per year (2023)
What This Utility Data Tells You
City of LaFollette is a municipally-owned utility operating in Tennessee under EIA identifier 10579. It reports service to approximately 23,160 customer accounts and generated about $0.05 billion in annual electric revenue, with a service footprint spanning 8 ZIP codes. Being municipally owned, the utility answers to a local board or city council rather than a state commission, and carries a federal income tax exemption.
In 2023, the average City of LaFollette customer experienced 486.0 minutes of power interruptions, a measure known as SAIDI, or System Average Interruption Duration Index. That exceeds the 120–180 minute national benchmark by a wide margin, a pattern often tied to severe weather exposure, older infrastructure, or longer repair windows. SAIFI, the average number of outage events per customer, was 5.00 for the same period, so customers statistically faced roughly 5 distinct interruptions that year.
The EIA dataset includes 4 years of continuous reporting (2020–2023) for City of LaFollette, which lets you see whether reliability is trending up or down rather than judging from a single snapshot. SAIDI has improved from 577.0 to 486.0 minutes over that window, a meaningful direction for prospective customers and regulators watching capital investment outcomes.
SAIFI
5.00 interruptions/yr
Average interruption count (2023)
Customers
23,160
Tennessee service territory
SAIDI vs. National Average (180 min) 100.0%
486 outage minutes per customer annually
Power-out minutes per year (2023)
Reliability Trend (2020–2023)
| Year | SAIDI (min) | SAIDI nMED | SAIFI | Customers |
|---|---|---|---|---|
| 2020 | 577.0 | 338.0 | 5.300 | 22,056 |
| 2021 | 409.0 | 314.0 | 5.000 | 22,306 |
| 2022 | 607.0 | 384.0 | 6.000 | 22,544 |
| 2023 | 486.0 | - | 5.000 | 22,776 |
SAIDI nMED = SAIDI without major event days. Source: EIA Form 861.
Service Area
City of LaFollette serves 8 ZIP codes in Tennessee.
3771537724377293773037766378253785137870
Frequently Asked Questions
How reliable is City of LaFollette?
City of LaFollette had a SAIDI of 486.0 minutes in 2023. Excluding major storm impacts, this trails the national average, indicating below-average reliability.
What type of utility is City of LaFollette?
City of LaFollette is classified as a Municipal serving Tennessee.
How many customers does City of LaFollette serve?
City of LaFollette serves approximately 23,160 customers in Tennessee.
How has City of LaFollette's reliability changed over time?
City of LaFollette has 4 years of reliability data (2020-2023). SAIDI has held roughly steady across these years. Review the trend table above for year-by-year detail.
Utility Profile
- Type
- Municipal
- State
- Tennessee
- Customers
- 23,160
- Annual Revenue
- $0.05B
- EIA ID
- 10579
Explore
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.