Typical home: Worth it

Solar in Forest Grove, OR

With Portland General Electric's electricity at about 18.8¢ per kWh and 1,161 kWh of sun per kW, solar is worth it for a typical Forest Grove home today: about a 10.7-year payback.

Payback, typical home
10.7 yrsOregon: 14.2 yrs
25-year net
$34,211after paying $16,100
Sun
1,161kWh per kW per year
Electricity
18.8¢5% above U.S. average

A typical Forest Grove home, by the numbers

UtilityPortland General Electric
Electricity use753 kWh a month
Best-value system7 kW, about 16 panels, 8,126 kWh a year (90% of use)
Cost$19,600, or $16,100 after state incentives
First-year savings$1,421
Payback10.7 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 Forest Grove

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

Show as a table
PeriodValue
Jan36
Feb52
Mar90
Apr120
May139
Jun139
Jul158
Aug151
Sep118
Oct78
Nov43
Dec38

Homes in Forest Grove

Owner-occupied homes
64%
Single-family detached
58%
Median home value
$480k
Median year built
1982
Population
26,529
Solar installs, last 3 years*
8
Roofs suitable for solar†
93%

Census ACS 2020–2024. *Installations in public records for this area's ZIP codes. †Share of 6,444 buildings Google Project Sunroof rated technically suitable (2019 snapshot).

Installers working in Forest Grove

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

  1. Infinity Solar Systems 3 installs
  2. Ar Solar Spc 1 installs
  3. Green Ridge Solar 1 installs
  4. Premier Solar Solutions 1 installs

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

Questions about solar in Forest Grove

Is solar worth it in Forest Grove, OR?

For a typical home in Forest Grove, solar is worth it at 2026 prices: a 7 kW system costs about $16,100 after state incentives, saves about $1,421 in year one and pays back in about 10.7 years. Enter your address for an estimate based on your roof and bill.

How much solar power does a system produce in Forest Grove?

About 1,161 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 2% less than the Oregon average. East- or west-facing roofs produce roughly 10–20% less.

Who is the electric utility in Forest Grove?

Most homes in Forest Grove are served by Portland General Electric, at about 18.8¢ per kWh on average. Some areas are served by City of Forest Grove.

How much do solar panels cost in Forest Grove?

A fair cash price is around $2.80 per watt before incentives, so about $19,600 for a 7 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.