Solar System Sizing Tool — Los Angeles, CA
Use our interactive tool to determine the right solar system size for your home in Los Angeles. Adjust your monthly electricity bill and home size to see a personalized recommendation based on local solar conditions.
Size Your Solar System
Local rate: 33¢/kWh
Peak sun hours: 5.6h/day
4.6
System Size (kW)
12
Panels Needed
216
Roof Space (sq ft)
$13,183
Est. Cost
9,455
Annual kWh
100%
Energy Offset
How We Calculate Your System Size
Your recommended solar system size is based on several factors specific to Los Angeles, CA:
- Electricity usage: Your monthly bill is converted to annual kWh consumption using the local rate of 33¢/kWh.
- Solar irradiance: Los Angeles receives an average of 5.6 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 Los Angeles is 1,750 sq ft.
Solar at a Glance: Los Angeles, CA
33¢
Avg Rate / kWh
5.6h
Peak Sun Hours / Day
4.6 kW
Avg Recommended Size
12
Avg Panels Needed
$13,183
Est. Cost (before incentives)
Los Angeles Department of Water and Power (LADWP)
Utility Provider
Other Cities in California
Related Resources
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