Mercer Island, WA 98040 solar market data
Updated June 10, 2019Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Mercer Island 98040 has 68 solar installations at a median installed cost of $3.05/W, recent growth not yet measurable, and a Market Score of 46 — higher than 70% of U.S. zip markets.
Versus Washington
How 98040 compares with the state
Installed cost
$0.40/W below
state median $3.45/W
Market score
46 vs 39
Washington scores 39
Share of state installs
0.91%
of 7.4K tracked statewide
Battery attach
0.0%
state 0.0%
Statewide momentum
▼ 13.4%
residential solar added in Washington, 12 months through Jul 2026
Statewide market
61.6K systems
3.1% of homes · utility-reported through Jul 2026
Growth & pricing
98040 by year
62 installs in the trailing twelve months vs 5 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 98040
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| No installer has recorded systems here yet. | |||||
Equipment
What gets installed in 98040
Share of systems with a recorded brand
Modules
ITEK ENERGY72.1%
LG ELECTRONICS8.8%
SILFAB SOLAR7.3%
SOLARWORLD INDUSTRIES7.3%
SUNPOWER4.4%
Inverters
ENPHASE ENERGY69.1%
SOLAREDGE20.6%
ALTENERGY POWER SYSTEM5.9%
SUNPOWER4.4%
Frequently asked
Quick answers about 98040
How many solar installations are there in 98040?
SolarDNA counts 68 active solar installations in Mercer Island 98040, 66 of them residential, with data through June 10, 2019.
How much does solar cost in 98040?
The median residential system in 98040 cost $3.05 per watt over the trailing twelve months, $0.40/W below the Washington median.
Is solar growing in 98040?
Recent growth cannot be measured yet for 98040: insufficient recent data (data runs through June 10, 2019).
Who installs solar in 98040?
No installer has enough recorded systems in 98040 to rank yet.
Is 98040 a good market for solar sales?
98040 scores 46 out of 100 (Great, higher than 70% of U.S. zip markets). With under 500 installations the score is provisional.