Johnson City - (TN)
Municipal electric utility · Tennessee · #251 of 3,199 U.S. utilities by customers · EIA utility #9777
Johnson City - (TN) is a municipal electric utility serving 84,705 customers in Tennessee. In 2025 it sold 2,036 gigawatt-hours of electricity for $241.90M in revenue, an average realized rate of 11.88¢ per kWh across all customer classes and 13.22¢ per kWh for residential customers. Its reported service territory covers 4 counties. EIA records its activities as: distribution.
Customers, sales and rates by customer class (2025)
| Class | Customers | Sales (GWh) | Revenue | Avg realized rate | Share of sales |
|---|---|---|---|---|---|
| Residential | 72,729 | 1,033 | $136.55M | 13.22¢ | |
| Commercial | 11,963 | 737 | $89.32M | 12.13¢ | |
| Industrial | 13 | 266 | $16.02M | 6.01¢ | |
| Total | 84,705 | 2,036 | $241.90M | 11.88¢ |
Average realized rate = revenue divided by sales as reported on EIA Form 861. It blends fixed charges, demand charges and riders into one per-kWh figure; it is not the utility's tariff rate. Estimated residential bill assumes the average residential customer's actual 2025 usage (1,184 kWh/month).
Five-year trend
| Year | Customers | Sales (GWh) | Revenue | Residential rate |
|---|---|---|---|---|
| 2021 | 81,112 | 1,906 | $201.54M | 11.42¢ |
| 2022 | 82,044 | 1,891 | $221.59M | 12.65¢ |
| 2023 | 83,278 | 1,846 | $210.66M | 12.61¢ |
| 2024 | 84,109 | 1,958 | $219.27M | 12.41¢ |
| 2025 | 84,705 | 2,036 | $241.90M | 13.22¢ |
Reliability (2025)
Average outage time (SAIDI): 101 minutes per customer per year
Average outages (SAIFI): 0.88 per customer
Average restoration time (CAIDI): 115 minutes
As reported for Tennessee under the IEEE standard, with major event days included where the standard reports them. Lower is better; see the reliability rankings.
Energy supply (2025)
Net generation: 0.0 GWh
Wholesale power purchased: 2,098 GWh
Winter peak demand: 582 MW
Energy losses: 2.7% of energy handled
Meters & rooftop solar (2025)
Smart (AMI) meters: 100.0% of 85,198 meters
Counties served
Carter, TNGreene, TNSullivan, TNWashington, TN
Other large utilities in Tennessee
- Nashville Electric Service - 470,927 customers, residential 14.04¢
- City of Memphis - (TN) - 429,095 customers, residential 13.24¢
- Middle Tennessee E M C - 348,660 customers, residential 12.47¢
- Knoxville Utilities Board - 222,350 customers, residential 13.83¢
- City of Chattanooga - (TN) - 202,061 customers, residential 12.92¢
- Volunteer Electric Coop - 129,770 customers, residential 13.08¢
- Cumberland Elec Member Corp - 113,734 customers, residential 13.76¢
- City of Clarksville - (TN) - 86,998 customers, residential 13.67¢
All Tennessee utilities and rates
Source: U.S. Energy Information Administration, Form EIA-861 2025 (filed by the utility; figures as published). Utility #9777 in the EIA frame.