If your monthly electric bill regularly runs $150 or more, solar panels are likely worth a serious look. In Arizona, where home air conditioning runs for much of the year, that threshold is easy to hit. But the real answer depends on more than just one number. It comes down to your usage patterns, your roof, and how long you plan to stay in your home.
Here’s how to figure out if your bill is high enough to make the switch worth it, and what else factors into the decision.
What Electric Bill Amount Makes Solar Worth It?
Most homeowners start seeing strong returns on solar once their average monthly bill reaches $100 to $150 or higher. At that usage level, a solar system can often be sized to cover most or all of your electricity needs, which means your monthly savings start adding up quickly.
That said, “worth it” isn’t only about the dollar amount. A household with a $120 bill in a sunny climate with a south-facing roof may see a faster payoff than a household with a $180 bill and a shaded, north-facing roof. Your utility company’s rate structure matters too. Arizona utilities like TEP and APS have different rate plans and net metering policies, and those details affect how much you’ll actually save.
Is Solar Worth It If My Bill Is Under $100?
If your average bill sits below $100 a month, solar can still make sense, but the payback period is usually longer. Smaller home solar systems cost less upfront, so the investment may still pencil out, especially if you expect your usage to grow. Adding a pool, an EV charger, or a home addition down the road can push your electric bill up fast, and it’s often cheaper to size a solar system for future needs than to expand it later.
For households already spending less than $100 a month, it’s worth running the numbers with a solar contractor before assuming solar isn’t a fit. Every home and every rate plan is different.
How Much Can Solar Save on an Arizona Electric Bill?
Homeowners in Arizona typically see savings between 50% and 90% on their electric bills after switching to solar, depending on system size, roof orientation, and household usage. Because Arizona gets more than 300 sunny days a year, solar panels here tend to produce more energy relative to their cost than in most other states.
Over the lifespan of a solar system, typically 25 years or more, total savings can add up to tens of thousands of dollars. Arizona solar incentives, including the state solar tax credit and federal tax credit, also reduce the upfront cost and shorten the time it takes to break even.
Why Does Electric Bill Size Matter More in Arizona?
Arizona’s climate creates higher-than-average electricity use for much of the year because air conditioning is a near-constant need from May through September. That drives up monthly bills and also increases the potential savings from solar, since a well-sized system can offset a large chunk of that cooling load.
Rising utility rates are another reason to look at solar sooner rather than later. As electricity costs climb across the Southwest, a fixed-cost solar system locks in predictable energy production, protecting your budget from future rate hikes.
What Should You Do Before Deciding on Solar?
Before making a decision, it helps to review a few months of past electric bills, note your roof’s age, condition, and sun exposure, and get a professional consultation to see how a system would be sized for your specific home. A qualified solar contractor can review your usage history and provide a realistic estimate of savings and payback time, rather than a generic average.
If you’re in Tucson or elsewhere in Arizona, Solar Pros offers free consultations to help homeowners figure out whether their current electric bill justifies going solar, and what kind of system would make the most sense.
Frequently Asked Questions
What’s a good electric bill amount to start considering solar?
Most homeowners see a strong return once their average monthly bill reaches $100 to $150 or more, though this varies based on roof condition, sun exposure, and local utility rates.
How long does it take for solar panels to pay for themselves?
In Arizona, payback periods typically range from 6 to 10 years, depending on system size, incentives, and how much electricity you use.
Do solar panels still save money if electricity rates go up?
Yes. Once your system is installed, your energy production cost is largely fixed, which protects you from rising utility rates over time.
Can I still benefit from solar if my bill is low?
Possibly. Smaller systems cost less upfront, and it may still be worthwhile, especially if you expect your electricity usage to increase in the future.
What incentives are available for going solar in Arizona?
Arizona offers a state solar tax credit in addition to the federal solar tax credit, both of which lower the upfront cost of installation. A local solar contractor can walk you through current eligibility and savings.
Ready to see what solar could save you? Solar Pros offers free consultations for homeowners across Tucson and Arizona.