Typical customer: Not worth it

Town of Erwin and solar

Town of Erwin is a municipal utility serving about 7,669 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.)
13.5¢1% below Tennessee average
Typical bill
$1381,024 kWh a month
Exports credited
~20%No statewide net metering
Typical payback
24.7 yrs4.5 kW, cash

Export rules for Town of Erwin 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.

Tennessee net metering details

Solar for a typical Town of Erwin home

System4.5 kW (50% of 1,024 kWh/month)
Cost$17,450
First-year savings$660
Payback24.7 years
25-year net$246

Uses the utility's average price.

Solar adoption

Homes with solar (2025)
—
Share of customers
—
Residential solar capacity
—
Residential customers
7,669

EIA-861, 2025.

Questions about Town of Erwin and solar

Does Town of Erwin have net metering?

Town of Erwin 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 Town of Erwin?

Residential customers paid an average of 13.1¢ per kWh in 2025 (EIA), about 13.5¢ adjusted to 2026. The typical home uses 1,024 kWh a month, a bill of about $138.

Is solar worth it with Town of Erwin?

For a typical customer, solar is not worth it: a 4.5 kW system costing about $17,450 pays back in about 24.7 years, with $246 net over 25 years.

How many Town of Erwin customers have solar?

Town of Erwin did not report residential net-metered solar to EIA for 2025.

Legal name: Town of Erwin - (TN) (EIA ID 5961). Data: EIA-861 2025 and monthly data through 2026, state policy research October 2026.