Castle Rock, WA 98611 solar market data
Updated January 31, 2019Older data · growth withheldProvisional score · under 500 installs By The SolarDNA Data Team
Castle Rock 98611 has 13 solar installations at a median installed cost of $3.56/W, recent growth not yet measurable, and a Market Score of 43 — higher than 56% of U.S. zip markets.
Versus Washington
How 98611 compares with the state
Installed cost
$0.11/W above
state median $3.45/W
Market score
43 vs 39
Washington scores 39
Share of state installs
0.17%
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
98611 by year
10 installs in the trailing twelve months vs 3 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 98611
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 98611
Share of systems with a recorded brand
Modules
ITEK ENERGY83.3%
SILFAB SOLAR8.3%
SUNPOWER8.3%
Inverters
ALTENERGY POWER SYSTEM38.5%
SOLAREDGE30.8%
ENPHASE ENERGY23.1%
UNKNOWN7.7%
Frequently asked
Quick answers about 98611
How many solar installations are there in 98611?
SolarDNA counts 13 active solar installations in Castle Rock 98611, 13 of them residential, with data through January 31, 2019.
How much does solar cost in 98611?
The median residential system in 98611 cost $3.56 per watt over the trailing twelve months, $0.11/W above the Washington median.
Is solar growing in 98611?
Recent growth cannot be measured yet for 98611: insufficient recent data (data runs through January 31, 2019).
Who installs solar in 98611?
No installer has enough recorded systems in 98611 to rank yet.
Is 98611 a good market for solar sales?
98611 scores 43 out of 100 (Good, higher than 56% of U.S. zip markets). With under 500 installations the score is provisional.