SAIDI
130 min per year
Mean outage duration per year (2023)
What This Utility Data Tells You
City of Milan - (TN) is a municipally-owned utility operating in Tennessee under EIA identifier 12532. It reports service to approximately 8,390 customer accounts and generated about $0.02 billion in annual electric revenue, with a service footprint spanning 1 ZIP code. As a municipal utility, it is typically governed by a local board or city council and is exempt from federal income tax.
In 2023, the average City of Milan - (TN) customer experienced 130.5 minutes of power interruptions, a measure known as SAIDI, or System Average Interruption Duration Index. That falls inside the typical 120–180 minute national benchmark, in line with what most U.S. distribution utilities report. SAIFI, the average number of outage events per customer, was 1.33 for the same period, so customers statistically faced roughly 1 distinct interruption that year.
With 4 consecutive years of EIA data (2020–2023), City of Milan - (TN)'s reliability record can be judged on trend rather than one isolated year. SAIDI climbed from 124.1 to 130.5 minutes over that window, a shift that can point to worsening weather exposure or delayed grid modernization.
SAIFI
1.33 interruptions/yr
Events per customer (2023)
Customers
8,390
Customers across Tennessee
SAIDI vs. National Average (180 min) 32.6%
130 min/year per customer
Minutes without power per year (2023)
Reliability Trend (2020–2023)
| Year | SAIDI (min) | SAIDI nMED | SAIFI | Customers |
|---|---|---|---|---|
| 2020 | 124.1 | - | 1.792 | 8,231 |
| 2021 | 225.3 | 225.3 | 1.940 | 8,635 |
| 2022 | 70.9 | - | 0.789 | 8,500 |
| 2023 | 130.5 | - | 1.330 | 8,635 |
SAIDI nMED = SAIDI without major event days. Source: EIA Form 861.
Service Area
City of Milan - (TN) serves 1 ZIP code in Tennessee.
38358
Frequently Asked Questions
How reliable is City of Milan - (TN)?
City of Milan - (TN) had a SAIDI of 130.5 minutes in 2023. Leaving aside major weather events, that figure sits close to the national average.
What type of utility is City of Milan - (TN)?
City of Milan - (TN) is classified as a Municipal serving Tennessee.
How many customers does City of Milan - (TN) serve?
City of Milan - (TN) serves approximately 8,390 customers in Tennessee.
How has City of Milan - (TN)'s reliability changed over time?
City of Milan - (TN) 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
- 8,390
- Annual Revenue
- $0.02B
- EIA ID
- 12532
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.