Carroll County and solar
Carroll County is a municipal utility serving about 12,348 homes in Tennessee. Here's what its rates and export rules mean for solar: for a typical customer, solar is not worth it.
- Average price (2026 est.)
- 13.0¢4% below Tennessee average
- Typical bill
- $1611,237 kWh a month
- Exports credited
- ~21%No statewide net metering
- Typical payback
- 24.8 yrs5.4 kW, cash
Export rules for Carroll County customers
No statewide net metering (Tennessee rule).
Tennessee has no net metering law; almost all homes are served by TVA-supplied local power companies. Solar offsets your own usage, but exported power is typically bought at TVA's low wholesale avoided-cost rate (about 2.7 c/kWh in late 2026) or a local utility's own rate.
Solar for a typical Carroll County home
| System | 5.4 kW (50% of 1,237 kWh/month) |
|---|---|
| Cost | $20,240 |
| First-year savings | $767 |
| Payback | 24.8 years |
| 25-year net | $177 |
Uses the utility's average price.
Solar adoption
- Homes with solar (2025)
- —
- Share of customers
- —
- Residential solar capacity
- —
- Residential customers
- 12,348
EIA-861, 2025.
Questions about Carroll County and solar
Does Carroll County have net metering?
Carroll County follows Tennessee's rules: Tennessee has no net metering law; almost all homes are served by TVA-supplied local power companies. Solar offsets your own usage, but exported power is typically bought at TVA's low wholesale avoided-cost rate (about 2.7 c/kWh in late 2026) or a local utility's own rate.
How much does electricity cost with Carroll County?
Residential customers paid an average of 12.7¢ per kWh in 2025 (EIA), about 13.0¢ adjusted to 2026. The typical home uses 1,237 kWh a month, a bill of about $161.
Is solar worth it with Carroll County?
For a typical customer, solar is not worth it: a 5.4 kW system costing about $20,240 pays back in about 24.8 years, with $177 net over 25 years.
How many Carroll County customers have solar?
Carroll County did not report residential net-metered solar to EIA for 2025.
Legal name: Carroll County - (TN) (EIA ID 3075). Data: EIA-861 2025 and monthly data through 2026, state policy research October 2026.