Solar panel yield in Issaquah

Each kWp of solar panels in Issaquah, at the best angle of 37°, produces about 1,175 kWh of electricity a year – worth $172 at today's household electricity price.

Yield per kWp
1,175 kWh
per year
Value per kWp
$172
if used at home, at today's tariff
Versus the United States average
−23%
1,530 kWh
Solar rank in the United States
4,317 of 4,349

Monthly yield of 1 kWp

JanFebMarAprMayJunJulAugSepOctNovDec
Long-term average monthly production (PVGIS), panels facing south at the optimal angle, 14 % system losses.
Show the data as a table
MonthkWh
Jan43
Feb67
Mar103
Apr121
May132
Jun126
Jul152
Aug147
Sep122
Oct86
Nov46
Dec29

A typical 5 kWp home system

A 5 kWp system in Issaquah would produce about 5,874 kWh a year – 235% of the 2,500 kWh our default home uses.

Payback

How fast a system pays for itself depends on its price, how much of the power you use yourself and the feed-in tariff. Try your own numbers: Solar payback calculator →

Cost of running a home in Issaquah →

Source: PVGIS © European Union, 2001–2026.

Updated: