Solar Panel Savings in Ontario, CA
Calculate how much you can save with solar panels in Ontario, California. Based on 6.6 peak sun hours/day and 30.9¢/kWh average electricity rate.
6.6
Peak Sun Hours/Day
30.9¢
Avg Rate (¢/kWh)
3.3 yr
Payback Period
$77k
25-Year Savings
Ontario Solar Overview
Calculate Your Ontario Solar Savings
Ontario average: $158/mo
South-facing roofs produce the most energy
Add $8,000-$12,000 for whole-home battery backup
Annual Production
kWh/year
Annual Savings
per year
Net System Cost
after 30% ITC
Payback Period
break-even time
25-Year Total Savings
$121,875
Monthly Savings
$297
Federal Tax Credit
$5,040
Cumulative Savings vs System Cost
Cost Breakdown
| Item | Ontario | National Avg |
|---|---|---|
| Gross System Cost (6kW) | $16,800 | $17,100 |
| Federal Tax Credit (30%) | -$5,040 | -$5,130 |
| Net System Cost | $11,760 | $11,970 |
| Cost Per Watt | $2.80/W | $2.85/W |
Solar Potential in Ontario
Sun Hours vs National Average
Ontario gets 47% more sun than the national average.
Climate Advantages
- 251 sunny days per year
- Average temperature: 79°F — hot climate boosts AC savings from solar
- Average roof size: 1,589 sq ft — enough for a 88-panel system
Ontario Solar Incentives & Programs
Federal Investment Tax Credit (ITC)
30% of total system cost deducted from federal taxes. For a $16,800 system, that's a $5,040 credit. Valid through 2032.
California State Incentives
California NEM 3.0 net billing; SGIP battery rebates up to $1,000/kWh.
Net Metering — Pacific Gas & Electric
Pacific Gas & Electric offers net metering in Ontario. Earn credits for excess solar energy sent to the grid, reducing your electric bill further.
Environmental Impact in Ontario
4.8
Tons CO2 Offset/Year
80
Equivalent Trees Planted
1.1
Homes Worth of Energy
Based on 11,563 kWh annual production with a 6kW system. EPA average: 0.417 metric tons CO2 per MWh, 10,632 kWh per US home.
Solar Energy in Ontario, California
Ontario, California receives an average of 6.6 peak sun hours per day, placing it among the best cities in the country for solar energy production. With electricity rates averaging 30.9¢ per kWh from Pacific Gas & Electric, well above the national average of 16¢/kWh, solar panels offer exceptional savings potential.
A typical 6kW solar system in Ontario produces approximately 11,563 kWh per year, saving homeowners an estimated $3,568 annually. The system pays for itself in about 3.3 years, after which you enjoy essentially free electricity for the remaining 22+ years of the system's warranty life.
Ontario has a solar penetration rate of 8.1% — showing growing adoption of residential solar, with significant room for expansion. The cost of living index of 146 (national average: 100) means higher electricity costs, which amplifies solar savings.
Other Cities in California
Anaheim, CA
Bakersfield, CA
Berkeley, CA
Chula Vista, CA
Clovis, CA
Concord, CA
Corona, CA
Daly City, CA
Downey, CA
El Cajon, CA
Elk Grove, CA
Escondido, CA
Frequently Asked Questions
How much do solar panels cost in Ontario, CA?
The average cost of a 6kW solar panel system in Ontario is approximately $16,800 before incentives ($2.80/watt). After the 30% federal Investment Tax Credit, the net cost is about $11,760. California NEM 3.0 net billing; SGIP battery rebates up to $1,000/kWh.
How many peak sun hours does Ontario get?
Ontario, CA receives an average of 6.6 peak sun hours per day and approximately 251 sunny days per year. This is above the national average of 4.5 hours, making it an excellent location for solar energy.
What is the solar payback period in Ontario?
The average solar payback period in Ontario is approximately 3.3 years. After payback, your solar panels generate essentially free electricity for the remaining 15-20 years of their warranty. Over 25 years, total savings can reach $77,440.
Does Ontario have net metering?
Yes, Ontario has access to net metering through Pacific Gas & Electric. This allows you to earn credits for excess solar energy sent to the grid, significantly improving your solar investment returns.
Is solar worth it in Ontario, CA?
Absolutely. With a 3.3-year payback period and $77,440 in 25-year savings, solar is an excellent investment in Ontario. The 30% federal tax credit and above-average electricity rates help make solar financially attractive.