Typical home: Close call

Solar in Richardson, TX

With City of Garland's electricity at about 14.2¢ per kWh and 1,540 kWh of sun per kW, solar is a close call for a typical Richardson home today: about a 15.5-year payback.

Payback, typical home
15.5 yrsTexas: 14 yrs
25-year net
$10,105after paying $12,320
Sun
1,540kWh per kW per year
Electricity
14.2¢21% below U.S. average

A typical Richardson home, by the numbers

UtilityCity of Garland
Electricity use1,066 kWh a month
Best-value system4.2 kW, about 10 panels, 6,469 kWh a year (51% of use)
Cost$12,320
First-year savings$782
Payback15.5 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 Richardson

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

Show as a table
PeriodValue
Jan104
Feb102
Mar125
Apr136
May140
Jun149
Jul160
Aug153
Sep141
Oct122
Nov108
Dec100

Homes in Richardson

Owner-occupied homes
51%
Single-family detached
54%
Median home value
$431k
Median year built
1986
Population
118,731
Roofs suitable for solar†
90%

Census ACS 2020–2024. †Share of 27,221 buildings Google Project Sunroof rated technically suitable (2019 snapshot).

Installers working in Richardson

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 Richardson

Is solar worth it in Richardson, TX?

For a typical home in Richardson, solar is a close call at 2026 prices: a 4.2 kW system costs about $12,320 after state incentives, saves about $782 in year one and pays back in about 15.5 years. Enter your address for an estimate based on your roof and bill.

How much solar power does a system produce in Richardson?

About 1,540 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 1% more than the Texas average. East- or west-facing roofs produce roughly 10–20% less.

Who is the electric utility in Richardson?

Most homes in Richardson are served by City of Garland, at about 14.2¢ per kWh on average. Some areas are served by Grayson-Collin Electric Cooperative.

How much do solar panels cost in Richardson?

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.