Solar System Sizing Tool — Sitka, AK
Use our interactive tool to determine the right solar system size for your home in Sitka. Adjust your monthly electricity bill and home size to see a personalized recommendation based on local solar conditions.
Size Your Solar System
$
Local rate: 18¢/kWh
ft
Peak sun hours: 2.4h/day
11.8
System Size (kW)
30
Panels Needed
540
Roof Space (sq ft)
$33,619
Est. Cost
10,333
Annual kWh
100%
Energy Offset
Energy Offset100% of your usage covered by solar
0%50%100%
How We Calculate Your System Size
Your recommended solar system size is based on several factors specific to Sitka, AK:
- Electricity usage: Your monthly bill is converted to annual kWh consumption using the local rate of 18¢/kWh.
- Solar irradiance: Sitka receives an average of 2.4 peak sun hours per day, which determines how much energy each panel produces.
- Panel specifications: We use 400W panels, each requiring approximately 18 sq ft of roof space, which is standard for modern residential installations.
- Roof space: The total roof area needed depends on the number of panels. The average home in Sitka is 1,500 sq ft.
Solar at a Glance: Sitka, AK
18¢
Avg Rate / kWh
2.4h
Peak Sun Hours / Day
11.8 kW
Avg Recommended Size
30
Avg Panels Needed
$33,619
Est. Cost (before incentives)
Sitka Electric Department
Utility Provider
Other Cities in Alaska
Related Resources
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