Cost of solar in San Diego, CA

Electricity Consumption in San Diego

Electricity Consumption by California residents averages 573 kWh per month. It ranks #2 in the nation for savings from installing solar panels on the home.

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Solar power in San Diego, California

Residents of San Diego don't need to be told two things:

  • It is always sunny in San Diego; and
  • San Diego Gas and Electric (SDG&E) is one of the most expensive utilities in the country to buy your power from.

These two factors have made San Diego the leading city in America in terms of residential solar installations per capita.

San Diego residents shouldn't wait another minute before installing solar on their homes with 30% solar tax credit having a limited life and net metering allowed under the NEM 2 cap having a limit on how many systems can be installed and get net metering.

San Diego solar systems also produce a lot more electricity than most other places in the US and also the world. With excellent production numbers and brilliant incentives solar is an excellent investment in San Diego. With a short payback of as little as 5 years solar offers more than 20 years of free power after a system has paid for itself.

So whether you do or don't buy solar you will spend the same amount of money in the next five years on sourcing power but if you do install it now then in 5 years time you will be looking forward to 20 years of living with little or no power bill.

Even if you are not convinced about solar we recommend that at the very least you use the solar panel calculator for San Diego to find out:

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Solar power in California

The average cost of installing residential solar panels in San Diego, California in 2020 is $2.72 per watt. The average system size in the US is 6 kilowatts, which means the average price of a solar system in San Diego, CA is $13,600. (before claiming 26% tax credit and other rebates)

What does the cost of a real solar system look like?

Facts about installing a 6.5kW solar system in San Diego, CA

This system would offset 100% of your energy usage if your typical monthly bill is $217, however your situation may vary so try our San Diego solar calculator to get a result tailored to you.


Net cost of system
Cash - after 26% solar tax credit

4 Years 6 Months

Average payback time


Annual power production


levilized cost of solar energy


If you don't get solar
The forecast average utility price over the next 25 years

Cash flow graph based on cash purchase of this 6.5kW system

Life-time savings on this system over the next 25 years


(Prices shown after repayments of capital)



Solar companies in San Diego, CA that provide pricing through the Solar-Estimate marketplace



Solar calculator and quote comparison tool

Average total cost of solar panel installation in California

System Size Cash purchase
After 26% solar tax credit
Financed purchase
After 26% solar tax credit
3kw $6,416 $6,929
4kw $8,377 $9,047
5kw $10,286 $11,109
6kw $12,077 $13,043
7kw $13,831 $14,937
8kw $15,451 $16,687
9kw $17,050 $18,414
10kw $18,500 $19,980


Going solar in California

Check out all of the ways energy providers of California can help you be more energy efficient and save money.

The following programs are available:
Incentive Name Eligibility Type
Residential Renewable Energy Tax Credit Federal Personal Tax Credit
Property Tax Exclusion for Solar Energy Systems State Property Tax Incentive
Sonoma County - Energy Independence Program Local PACE Financing
NEM 2.0 State Net Metering

Please keep in mind that the best source of up-to-date information on incentives are the solar installers who specialize in your area.