How Much Energy Do Solar Panels Produce?

PositiveSolar
Jan 31, 2025
2 min read

Updated: Mar 18

If you're considering solar panels for your home in Arizona, one of the biggest questions you likely have is: How much energy will my solar system produce? Understanding your potential solar output helps determine the right system size, cost savings, and return on investment. Here’s what you need to know about solar energy production in Arizona.

How Much Sunlight Does Arizona Get?

Arizona is known for its abundant sunshine, and Arizona is no exception. On average, Arizona receives 275+ sunny days per year, making it an ideal location for solar power. With this much sun exposure, residential solar panels can generate significant electricity year-round.

How Much Power Can Solar Panels Generate?

The amount of electricity your solar panels generate depends on several factors, including panel efficiency, system size, and local weather conditions.

A typical 6kW solar system in Arizonacan produce 8,500 - 10,000 kWh per year, which is enough to cover most or all of an average household’s electricity needs.
A larger 8kW system can generate around 11,500 - 13,500 kWh per year, ideal for bigger homes or households with higher energy consumption.

Want to estimate your specific savings? Check out the Department of Energy’s PVWatts Calculator.

Factors That Impact Solar Energy Production

While Arizona's sunny climate is perfect for solar, a few factors affect how much power your panels generate:

Panel Angle & Orientation: South-facing panels with a tilt of 30-35 degrees capture the most sunlight.
Shading: Trees, buildings, and obstructions can reduce energy output.
Seasonal Changes: While summer produces the highest output, even in winter, solar panels generate energy on bright, clear days.
Panel Efficiency: Higher-efficiency panels convert more sunlight into electricity, producing more power.

How Many Solar Panels Do You Need for Your Home?

The number of panels required depends on your household’s energy usage. Here’s a rough estimate based on the average Arizona home, which uses 1,000 kWh per month:

A 6kW system (about 15-18 panels) covers most standard energy needs.
A 10kW system (about 25-30 panels) is ideal for larger homes or households with higher usage.

To get a custom assessment, get a free quote from Positive Solar LLC.

Can You Store Excess Solar Energy?

Yes! Many homeowners choose solar battery storage to save excess energy for nighttime or cloudy days. With a battery system like Tesla Powerwall or Enphase Encharge, you can reduce reliance on the grid and gain energy independence.

Is Solar Energy Worth It in Arizona?

Absolutely! With Arizona’s high electricity rates, generous solar incentives, and Arizona’s abundant sunlight, investing in solar can significantly lower your energy bills. Plus, with net metering, you can earn credits for the extra energy your system produces and send it back to the grid.

Get a Free Solar Estimate Today

If you’re ready to take advantage of Arizona’s sunshine and start saving, Positive Solar LLC can help you design the perfect solar system for your home.