When Is the Best Time to Install Solar Panels in Arizona?

Are you considering solar energy for your home in Phoenix? Now is the perfect time to harness the power of the sun and take advantage of significant savings through federal and state tax credits. Our team at Phoenix Valley Solar can help you navigate these incentives and maximize your savings. You can also use our Arizona Solar Calculator to get an estimate of your potential benefits.

Thinking about going solar, but not sure when to start? You're not alone. Many Arizona homeowners wonder if there's a specific season or month when solar panel installation is faster, cheaper, or more effective.

The truth is, the best time to go solar in Arizona is as soon as you're ready - but there are seasonal factors that can affect installation timelines, system performance, and your bottom line.

Here’s what you should know when deciding when to install solar panels in Arizona, and why the sooner you act, the more you may benefit.

1. Arizona’s Climate is Perfect for Year-Round Solar

Unlike northern states that deal with snow, cloudy winters, and short days, Arizona offers:

• Over 300 days of sunshine annually

• Mild winters that allow for year-round installation

• Long daylight hours in spring and summer that maximize production

This means you can install panels any time of year without worrying about weather-related delays or low performance.

2. Spring and Summer Offer Maximum Solar Output

Installing in spring or early summer allows your system to ramp up just as:

• Daylight hours increase

• Air conditioning use (and electricity bills) begin to spike

• APS and SRP time-of-use peak rates go into effect

By going solar before peak season, you can:

• Offset your highest bills right away

• Generate credits during high-production months

• Take full advantage of the sun during May through September

Many homeowners try to install before summer hits - which means March through May is a busy season for solar companies. Book early to avoid scheduling delays.

3. Fall and Winter Installations Come with Advantages

While solar production dips slightly in the winter, installing in fall or early winter still has key benefits:

• Installer schedules are usually more open

• You can get your system running before the next year’s rate increases

• Systems installed by December 31 may still qualify for current-year tax credits

In Arizona, winter temperatures are ideal for rooftop work, and your system will still generate enough power to reduce your bills, even during cooler months.

4. Don’t Wait for Utility Rate Changes or Policy Deadlines

APS and SRP adjust rates and export credits periodically. Waiting too long may mean:

• Lower compensation for exported solar power

• New fixed fees or restrictions on system size

• Delays in approval due to a backlog of new applicants

Installing now lets you lock in your utility’s current solar program before any future changes take effect.

5. Tax Credit Deadlines Matter

The 30% Federal Solar Tax Credit is currently available, but it will step down in future years unless renewed by Congress. Arizona also offers a $1,000 state tax credit, and both apply to systems installed and operational within the tax year.

The earlier you install in the calendar year, the easier it is to:

• Complete permitting and inspections before the December 31 deadline

• Document the full cost for your tax preparer

• Avoid a last-minute rush in November and December

6. The Sooner You Install, the Sooner You Save

Every month you delay solar installation, you're:

• Missing out on hundreds of dollars in potential utility savings

• Letting peak pricing periods go by without offsetting your usage

• Postponing your system’s payback period and long-term ROI

With financing, many homeowners can install with no upfront cost and start saving immediately. The real question isn't when to install - it's why wait at all?

Why Choose Phoenix Valley Solar?

We help Arizona homeowners:

• Time their installations for the best financial return

• Navigate APS and SRP rate plans and interconnection timelines

• Capture all available tax credits and local incentives

• Design systems that are built to perform year-round in the desert

We’re known as the best solar company in Phoenix for transparency, quality, and long-term value.

Ready to Make 2025 the Year You Take Control of Your Power Bill?

Contact Phoenix Valley Solar today for a custom solar quote and utility savings analysis. We’ll help you pick the best time to install based on your usage, roof orientation, and goals - and we’ll handle everything from permitting to activation.

Are you considering solar energy for your home in Phoenix? Now is the perfect time to harness the power of the sun and take advantage of significant savings through federal and state tax credits. Our team at Phoenix Valley Solar can help you navigate these incentives and maximize your savings. You can also use our Arizona Solar Calculator to get an estimate of your potential benefits.