Typical home: Worth it

Solar in Tualatin, OR

With Portland General Electric's electricity at about 18.8¢ per kWh and 1,149 kWh of sun per kW, solar is worth it for a typical Tualatin home today: about a 10.8-year payback.

Payback, typical home
10.8 yrsOregon: 14.2 yrs
25-year net
$34,040after paying $16,330
Sun
1,149kWh per kW per year
Electricity
18.8¢5% above U.S. average

A typical Tualatin home, by the numbers

UtilityPortland General Electric
Electricity use753 kWh a month
Best-value system7.1 kW, about 17 panels, 8,155 kWh a year (90% of use)
Cost$19,830, or $16,330 after state incentives
First-year savings$1,425
Payback10.8 years
Exported power15¢/kWh (Portland General Electric)

Cash purchase, no federal credit, 3.8% yearly rate increases. Run it with your own numbers.

Solar production per kW in Tualatin

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

Show as a table
PeriodValue
Jan36
Feb59
Mar83
Apr115
May133
Jun135
Jul162
Aug147
Sep117
Oct81
Nov47
Dec35

Homes in Tualatin

Owner-occupied homes
55%
Single-family detached
51%
Median home value
$628k
Median year built
1992
Population
27,763
Solar installs, last 3 years*
4
Roofs suitable for solar†
90%

Census ACS 2020–2024. *Installations in public records for this area's ZIP codes. †Share of 6,707 buildings Google Project Sunroof rated technically suitable (2019 snapshot).

Installers working in Tualatin

Companies with the most installations in Tualatin's ZIP codes over the last 3 years, from public records. We don't take payment for placement.

  1. Dpi Solar Dynamic Power Innovation 2 installs
  2. Purelight Power 1 installs
  3. Sunbridge Solar 1 installs

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

Questions about solar in Tualatin

Is solar worth it in Tualatin, OR?

For a typical home in Tualatin, solar is worth it at 2026 prices: a 7.1 kW system costs about $16,330 after state incentives, saves about $1,425 in year one and pays back in about 10.8 years. Enter your address for an estimate based on your roof and bill.

How much solar power does a system produce in Tualatin?

About 1,149 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 3% less than the Oregon average. East- or west-facing roofs produce roughly 10–20% less.

Who is the electric utility in Tualatin?

Most homes in Tualatin are served by Portland General Electric, at about 18.8¢ per kWh on average.

How much do solar panels cost in Tualatin?

A fair cash price is around $2.80 per watt before incentives, so about $19,830 for a 7.1 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.