Typical home: Not worth it

Solar in Johnson City, TN

With Johnson City's electricity at about 13.6¢ per kWh and 1,347 kWh of sun per kW, solar is not worth it for a typical Johnson City home today: about a 24.4-year payback.

Payback, typical home
24.4 yrsTennessee: 24 yrs
25-year net
$645after paying $19,930
Sun
1,347kWh per kW per year
Electricity
13.6¢25% below U.S. average

A typical Johnson City home, by the numbers

UtilityJohnson City
Electricity use1,184 kWh a month
Best-value system5.3 kW, about 12 panels, 7,141 kWh a year (50% of use)
Cost$19,930
First-year savings$769
Payback24.4 years
Exported powerNo statewide net metering (Tennessee rule)

Cash purchase, no federal credit, 2.5% yearly rate increases. Run it with your own numbers.

Solar production per kW in Johnson City

kWh per kW each month, south-facing at 20° tilt. PVWatts v8 with local typical-year weather.

Show as a table
PeriodValue
Jan84
Feb92
Mar113
Apr121
May134
Jun138
Jul133
Aug133
Sep119
Oct109
Nov92
Dec80

Homes in Johnson City

Owner-occupied homes
51%
Single-family detached
53%
Median home value
$268k
Median year built
1983
Population
72,222
Roofs suitable for solar†
90%

Census ACS 2020–2024. †Share of 16,996 buildings Google Project Sunroof rated technically suitable (2019 snapshot).

Installers working in Johnson City

Public installation records for Tennessee don't name installers, so we can't rank local companies here. Browse installers in Tennessee.

Always verify the license and get at least three quotes. Compare quotes side by side.

Questions about solar in Johnson City

Is solar worth it in Johnson City, TN?

For a typical home in Johnson City, solar is not worth it at 2026 prices: a 5.3 kW system costs about $19,930 after state incentives, saves about $769 in year one and pays back in about 24.4 years. Enter your address for an estimate based on your roof and bill.

How much solar power does a system produce in Johnson City?

About 1,347 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 1% less than the Tennessee average. East- or west-facing roofs produce roughly 10–20% less.

Who is the electric utility in Johnson City?

Most homes in Johnson City are served by Johnson City, at about 13.6¢ per kWh on average. Some areas are served by City of Bristol, City of Elizabethton, Town of Erwin.

How much do solar panels cost in Johnson City?

A fair cash price is around $3.60 per watt before incentives, so about $19,930 for a 5.3 kW system. There's no federal tax credit for homeowners who buy in 2026.

Nearby

Data: PVWatts (National Laboratory of the Rockies), EIA-861 2025 adjusted to 2026, U.S. Census ACS, LBNL Tracking the Sun, state policy research as of October 2026.