Typical home: Not worth it

Solar in Washington, UT

With PacifiCorp (Rocky Mountain Power / Pacific Power)'s electricity at about 14.7¢ per kWh and 1,730 kWh of sun per kW, solar is not worth it for a typical Washington home today: about a 19.3-year payback.

Payback, typical home
19.3 yrsUtah: 22.7 yrs
25-year net
$3,728after paying $11,000
Sun
1,730kWh per kW per year
Electricity
14.7¢18% below U.S. average

A typical Washington home, by the numbers

UtilityPacifiCorp (Rocky Mountain Power / Pacific Power)
Electricity use746 kWh a month
Best-value system3 kW, about 7 panels, 5,190 kWh a year (58% of use)
Cost$11,000
First-year savings$586
Payback19.3 years
Exported power4.3¢/kWh (PacifiCorp (Rocky Mountain Power / Pacific Power))

Cash purchase, no federal credit, 1.8% yearly rate increases. Run it with your own numbers.

Solar production per kW in Washington

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

Show as a table
PeriodValue
Jan118
Feb111
Mar154
Apr162
May176
Jun170
Jul171
Aug164
Sep154
Oct139
Nov114
Dec99

Homes in Washington

Owner-occupied homes
75%
Single-family detached
75%
Median home value
$570k
Median year built
2008
Population
32,348
Roofs suitable for solar†
93%

Census ACS 2020–2024. †Share of 3,511 buildings Google Project Sunroof rated technically suitable (2019 snapshot).

Installers working in Washington

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

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

Questions about solar in Washington

Is solar worth it in Washington, UT?

For a typical home in Washington, solar is not worth it at 2026 prices: a 3 kW system costs about $11,000 after state incentives, saves about $586 in year one and pays back in about 19.3 years. Enter your address for an estimate based on your roof and bill.

How much solar power does a system produce in Washington?

About 1,730 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 15% more than the Utah average. East- or west-facing roofs produce roughly 10–20% less.

Who is the electric utility in Washington?

Most homes in Washington are served by PacifiCorp (Rocky Mountain Power / Pacific Power), at about 14.7¢ per kWh on average. Some areas are served by Garkane Energy Cooperative, City of St George, Dixie Escalante R E A.

How much do solar panels cost in Washington?

A fair cash price is around $3.00 per watt before incentives, so about $11,000 for a 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.