Typical home: Close call

Solar in Rowlett, TX

With City of Garland's electricity at about 14.2¢ per kWh and 1,517 kWh of sun per kW, solar is a close call for a typical Rowlett home today: about a 15.6-year payback.

Payback, typical home
15.6 yrsTexas: 14 yrs
25-year net
$9,848after paying $12,320
Sun
1,517kWh per kW per year
Electricity
14.2¢21% below U.S. average

A typical Rowlett home, by the numbers

UtilityCity of Garland
Electricity use1,066 kWh a month
Best-value system4.2 kW, about 10 panels, 6,370 kWh a year (50% of use)
Cost$12,320
First-year savings$773
Payback15.6 years
Exported powerNo statewide net metering (Texas rule)

Cash purchase, no federal credit, 2.9% yearly rate increases. Run it with your own numbers.

Solar production per kW in Rowlett

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

Show as a table
PeriodValue
Jan101
Feb99
Mar123
Apr136
May143
Jun150
Jul157
Aug150
Sep134
Oct121
Nov99
Dec102

Homes in Rowlett

Owner-occupied homes
75%
Single-family detached
83%
Median home value
$369k
Median year built
1997
Population
65,463
Roofs suitable for solar†
99%

Census ACS 2020–2024. †Share of 19,948 buildings Google Project Sunroof rated technically suitable (2019 snapshot).

Installers working in Rowlett

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

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

Questions about solar in Rowlett

Is solar worth it in Rowlett, TX?

For a typical home in Rowlett, solar is a close call at 2026 prices: a 4.2 kW system costs about $12,320 after state incentives, saves about $773 in year one and pays back in about 15.6 years. Enter your address for an estimate based on your roof and bill.

How much solar power does a system produce in Rowlett?

About 1,517 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 0% less than the Texas average. East- or west-facing roofs produce roughly 10–20% less.

Who is the electric utility in Rowlett?

Most homes in Rowlett are served by City of Garland, at about 14.2¢ per kWh on average.

How much do solar panels cost in Rowlett?

A fair cash price is around $2.60 per watt before incentives, so about $12,320 for a 4.2 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.