Typical home: Worth it

Solar in Renton, WA

With Puget Sound Energy's electricity at about 18.2¢ per kWh and 1,044 kWh of sun per kW, solar is worth it for a typical Renton home today: about a 13.9-year payback.

Payback, typical home
13.9 yrsWashington: 16.2 yrs
25-year net
$30,777after paying $24,415
Sun
1,044kWh per kW per year
Electricity
18.2¢1% above U.S. average

A typical Renton home, by the numbers

UtilityPuget Sound Energy
Electricity use863 kWh a month
Best-value system8.9 kW, about 21 panels, 9,291 kWh a year (90% of use)
Cost$24,415
First-year savings$1,594
Payback13.9 years
Exported power13¢/kWh (Puget Sound Energy)

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

Solar production per kW in Renton

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

Show as a table
PeriodValue
Jan39
Feb58
Mar76
Apr100
May129
Jun121
Jul141
Aug131
Sep102
Oct72
Nov41
Dec34

Homes in Renton

Owner-occupied homes
54%
Single-family detached
51%
Median home value
$673k
Median year built
1988
Population
105,317
Roofs suitable for solar†
93%

Census ACS 2020–2024. †Share of 18,201 buildings Google Project Sunroof rated technically suitable (2019 snapshot).

Installers working in Renton

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

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

Questions about solar in Renton

Is solar worth it in Renton, WA?

For a typical home in Renton, solar is worth it at 2026 prices: a 8.9 kW system costs about $24,415 after state incentives, saves about $1,594 in year one and pays back in about 13.9 years. Enter your address for an estimate based on your roof and bill.

How much solar power does a system produce in Renton?

About 1,044 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 6% less than the Washington average. East- or west-facing roofs produce roughly 10–20% less.

Who is the electric utility in Renton?

Most homes in Renton are served by Puget Sound Energy, at about 18.2¢ per kWh on average.

How much do solar panels cost in Renton?

A fair cash price is around $2.85 per watt before incentives, so about $24,415 for a 8.9 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.