Johnson City - (TN): Outages & Reliability
As of October 7, 2026 09:00 UTC, about 1 Johnson City - (TN) customers are without power in 1 county.
Johnson City - (TN) is an municipal utility serving 4 counties in Tennessee. In 2024, its customers went an average of 11.0 hours without power (SAIDI), across about 2.2 interruptions each. That ranks it #364 of 468 US utilities by reliability, where #1 is the most reliable. Its outage duration is near the US average and worse than the Tennessee median (4.8 h).
Official reliability (EIA 2024)
US EIARanks #364 of 468 US utilities by reliability (#1 = most reliable) · worse than the Tennessee median (4.8 h).
Reliability over time
Official EIA SAIDI, hours without power per customer per year (IEEE, incl. major events). Over this period Johnson City - (TN)’s reliability has been worsening (lower is better).
Counties served by Johnson City - (TN) (4)
Service territory reported to EIA-861; each links to live outage status and history.
Johnson City - (TN): FAQ
- How reliable is Johnson City - (TN)?
- Johnson City - (TN) customers averaged 11.0 hours without power in 2024 (SAIDI), which is frequently affected and near the US average, worse than the Tennessee median (4.8 h), per official US EIA data.
- Where does Johnson City - (TN) rank among US electric utilities?
- By official EIA SAIDI, Johnson City - (TN) is #364 of 468 US utilities by reliability that report reliability and serve at least three counties, #1 being the most reliable. Overall it is near the US average.
- How many customers does Johnson City - (TN) serve?
- Johnson City - (TN) serves 4 counties across Tennessee, per its EIA-861 service territory filing.
- Where does Johnson City - (TN) provide power?
- Johnson City - (TN) operates in Tennessee. The full list of counties served is below, each linked to its live outage status.
Reliability metrics (SAIDI/SAIFI) and service territory from the US EIA Form 861. SAIDI/SAIFI are IEEE-standard, including major event days. Primary state: Tennessee.
Data from EIA Form 861 (utility reliability) and DOE/ORNL ODIN, every source we read. Live data as of .