Solar in Issaquah, WA
With Puget Sound Energy's electricity at about 18.2¢ per kWh and 1,026 kWh of sun per kW, solar is worth it for a typical Issaquah home today: about a 13.8-year payback.
- Payback, typical home
- 13.8 yrsWashington: 16.2 yrs
- 25-year net
- $27,760after paying $22,535
- Sun
- 1,026kWh per kW per year
- Electricity
- 18.2¢1% above U.S. average
A typical Issaquah home, by the numbers
| Utility | Puget Sound Energy |
|---|---|
| Electricity use | 863 kWh a month |
| Best-value system | 8.1 kW, about 19 panels, 8,312 kWh a year (80% of use) |
| Cost | $22,535 |
| First-year savings | $1,516 |
| Payback | 13.8 years |
| Exported power | 13¢/kWh (Puget Sound Energy) |
Cash purchase, no federal credit, 3.8% yearly rate increases. Run it with your own numbers.
Homes in Issaquah
- Owner-occupied homes
- 57%
- Single-family detached
- 35%
- Median home value
- $963k
- Median year built
- 2002
- Population
- 39,591
- Roofs suitable for solar†
- 76%
Census ACS 2020–2024. †Share of 6,742 buildings Google Project Sunroof rated technically suitable (2019 snapshot).
Installers working in Issaquah
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 Issaquah
Is solar worth it in Issaquah, WA?
For a typical home in Issaquah, solar is worth it at 2026 prices: a 8.1 kW system costs about $22,535 after state incentives, saves about $1,516 in year one and pays back in about 13.8 years. Enter your address for an estimate based on your roof and bill.
How much solar power does a system produce in Issaquah?
About 1,026 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 7% less than the Washington average. East- or west-facing roofs produce roughly 10–20% less.
Who is the electric utility in Issaquah?
Most homes in Issaquah are served by Puget Sound Energy, at about 18.2¢ per kWh on average.
How much do solar panels cost in Issaquah?
A fair cash price is around $2.85 per watt before incentives, so about $22,535 for a 8.1 kW system. There's no federal tax credit for homeowners who buy in 2026.
Nearby
- Sammamish 14.1 yrs
- Bellevue 13.6 yrs
- Renton 13.9 yrs
- Mercer Island 13.9 yrs
- Redmond 14 yrs
- Maple Valley 14.2 yrs
- Kirkland 13.3 yrs
- Kent 13.9 yrs
- All of Washington
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.