Solar Basics answers the practical questions homeowners ask before deciding whether solar makes sense in Arizona: how much heat cuts panel output, what payback period to actually expect, whether the economics still work now that the federal credit is gone, and when adding a battery pays for itself under APS or SRP rates. Each article works from the arithmetic rather than a sales pitch.
4 articles in this category
On 2026 numbers, simple payback in Arizona runs about 10 to 24 years. The spread comes from installed cost and self-consumption share, not sunshine. Here is the arithmetic, the sensitivities, and what simple payback leaves out.
Arizona pays 14.91 cents per kWh, below the national average, but uses 25% more power. With the federal credit gone, payback now hinges on how much solar you use yourself rather than export. Here is the arithmetic.
Yes. Arizona heat costs a modern panel roughly 0.3% of output per degree C above 25C, and Phoenix still produces 1,767 kWh per kW-DC per year against 1,095 in Seattle. Here is the arithmetic.
Whether a home battery pays in Arizona depends on your utility, not the hardware. The APS export gap, SRP's $36.05/kW summer demand charge, current installed costs, and the federal credit that no longer exists.
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