Solar Panel Cost & Installation Data in Island County, Washington
Observed project records in the LBNL Tracking the Sun 2024 release. Historical coverage varies by place and year.
Observed Records
54
Reported Capacity
0.5 MW
Observed Avg Cost
$3.26/W
Median: $3.03/W
Avg System Size
9.5 kW
11.9¢/kWh
State Residential Rate (EIA 2024)
$1,242
Modeled Annual Savings
-9.7%
vs State Average Cost
Primary source: LBNL Tracking the Sun 2024 release. A minimum sample of 25 records is required; figures are not a complete county census or a current installer quote.