Solar in Gresham, OR
With Portland General Electric's electricity at about 18.8¢ per kWh and 1,114 kWh of sun per kW, solar is worth it for a typical Gresham home today: about a 11-year payback.
- Payback, typical home
- 11 yrsOregon: 14.2 yrs
- 25-year net
- $33,900after paying $16,790
- Sun
- 1,114kWh per kW per year
- Electricity
- 18.8¢5% above U.S. average
A typical Gresham home, by the numbers
| Utility | Portland General Electric |
|---|---|
| Electricity use | 753 kWh a month |
| Best-value system | 7.3 kW, about 17 panels, 8,129 kWh a year (90% of use) |
| Cost | $20,290, or $16,790 after state incentives |
| First-year savings | $1,445 |
| Payback | 11.0 years |
| Exported power | 15¢/kWh (Portland General Electric) |
Cash purchase, no federal credit, 3.8% yearly rate increases. Run it with your own numbers.
Homes in Gresham
- Owner-occupied homes
- 56%
- Single-family detached
- 53%
- Median home value
- $459k
- Median year built
- 1981
- Population
- 112,378
- Solar installs, last 3 years*
- 2
- Roofs suitable for solar†
- 92%
Census ACS 2020–2024. *Installations in public records for this area's ZIP codes. †Share of 26,076 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Installers working in Gresham
Companies with the most installations in Gresham's ZIP codes over the last 3 years, from public records. We don't take payment for placement.
- Infinity Solar Systems 1 installs
- ION Solar 1 installs
Always verify the license and get at least three quotes. Compare quotes side by side.
Questions about solar in Gresham
Is solar worth it in Gresham, OR?
For a typical home in Gresham, solar is worth it at 2026 prices: a 7.3 kW system costs about $16,790 after state incentives, saves about $1,445 in year one and pays back in about 11 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Gresham?
About 1,114 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 Oregon average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in Gresham?
Most homes in Gresham are served by Portland General Electric, at about 18.8¢ per kWh on average.
How much do solar panels cost in Gresham?
A fair cash price is around $2.80 per watt before incentives, so about $20,290 for a 7.3 kW system. There's no federal tax credit for homeowners who buy in 2026.
Nearby
- Happy Valley 11 yrs
- Portland 11.1 yrs
- Oregon City 10.8 yrs
- West Linn 11.1 yrs
- Lake Oswego 11.1 yrs
- Tigard 10.9 yrs
- Beaverton 10.8 yrs
- Tualatin 10.8 yrs
- All of Oregon
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.