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Is Solar Worth It in El Mirage, Arizona?

We analyzed Arizona Public Service (APS) rate books, NREL irradiance data, and Arizona tax codes to calculate the real ROI for homeowners in 85335.

Market Snapshot

Elec. Rate
$0.135/kWh
Sun Hours
6.58
Utility Arizona Public Service (APS)
Tax Exempt Yes
Battery Required

Analyst Note: The "4kW Benchmark"

The analysis below uses a standardized 4kW system to provide a fair baseline comparison across cities. However, the average electric bill in El Mirage is $155.25.

⚠️ Most homes here will need a larger system (8kW–12kW) to reach 100% offset. Use the calculator below for your exact numbers.

That blistering Arizona sun is your best weapon against high APS electricity bills. With over 299 days of sunshine a year, homes in El Mirage have a massive untapped power source on their rooftops. Harnessing it correctly is key, especially since utility policies have changed. A solar and battery system is now the gold standard for achieving energy independence and maximizing savings.

Benchmark Cost Analysis

Solar + Battery System Costs in El Mirage (2026)

While you might see ads for cheaper, solar-only systems, those don't work well with APS's current Net Billing rules. To achieve significant savings, homeowners are pairing panels with a home battery. Here’s a typical cost breakdown for a system designed to offset a $155 monthly bill:

  • Gross System Cost: ~$23,500
  • Federal Solar Tax Credit (30%): -$7,050
  • Arizona State Tax Credit: -$1,000
  • Final Net Cost: ~$15,450

This net cost is for a complete solar and battery package. While a solar-only system looks cheaper upfront (around $7,050 net), it leaves you exposed to low export rates, drastically reducing your savings.

Incentives & Tax Credits

Incentives That Make Solar Affordable

Arizona offers powerful incentives to lower the cost of going solar. In El Mirage, you have access to three key benefits:

  1. The 30% Federal ITC: This is a dollar-for-dollar credit on your federal taxes, taking a huge $7,050 off the system cost mentioned above. It's available through 2032.
  2. $1,000 Arizona State Tax Credit: Arizona gives you an additional credit, knocking another grand off your state tax liability.
  3. Tax Exemptions: You won't pay any sales tax on your solar equipment, and the value it adds to your home is exempt from property taxes.

Net Metering: Arizona Public Service (APS)

Policy Status

Net Billing (2024)

Battery Priority

Critical 🔋

Understanding APS Net Billing

The biggest change for solar customers is APS's move to 'Net Billing'. It's simple: APS buys your excess solar power for a very low wholesale rate (~$0.07/kWh) but sells it back to you at a high retail rate (~$0.14/kWh or more). Without a battery, you lose significant value. A battery solves this problem by ensuring you use every kilowatt-hour you generate yourself, avoiding the need to sell it back cheaply.

Projected Savings

Real Monthly & Lifetime Savings

A solar and battery system fundamentally changes your relationship with APS. Instead of selling your extra solar power for pennies, you store it in your battery. Then, you use that stored energy during the evening or when APS's time-of-use rates are highest. This strategy leads to significant savings:

  • Estimated Annual Savings: $905
  • Estimated 25-Year Lifetime Savings: ~$35,000+ (factoring in likely utility rate hikes)
  • System Payback Period: Around 17 years. After that, you're generating nearly free electricity for the life of the system.

Local Questions Answered

Do solar panels still work during the monsoon season?
Yes. While heavy cloud cover during a monsoon storm reduces production, panels still generate power. Arizona's high number of total sunny days ensures that seasonal weather has a minimal impact on your total annual energy production. The system is sized to account for these less-sunny days.
Why is a battery essential in El Mirage?
Because of APS's Net Billing policy. Sending power to the grid gives you a credit of about 7 cents per kWh. But pulling power from the grid in the evening can cost 14 cents or more. A battery lets you store your own solar energy and avoid this unfair trade, more than doubling your potential savings.
How do I know if my roof is right for solar?
The best roofs are south-facing with minimal shade from trees or other buildings. However, east- and west-facing roofs are also very effective. Our calculator can give you an initial assessment based on your home's orientation and local sun exposure data.

Calculate Your Solar Savings

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* Calculations based on Arizona Public Service (APS) residential rates (0.135/kWh).

Data Transparency & Methodology

Estimates for El Mirage, Arizona are produced by the SunCents Solar Engine (v1.2). We combine the following verified or standard industry sources:

Performance (PV production)

NREL PVWatts — modeled annual and hourly AC output (kWh), solar radiation, and system losses for a standardized array size so cities can be compared fairly.

nrel.gov

Electricity rates (tariffs)

U.S. Energy Information Administration (EIA) — state-level average retail electricity prices ($/kWh) and supporting series for economic context.

eia.gov

Incentives & programs

DSIRE — state and local rebates, net metering, and policy programs (summarized for readability; always confirm eligibility with a tax or solar professional).

dsireusa.org

Federal tax credit (ITC)

Investment Tax Credit — federal residential solar credit (e.g. 30% of qualified costs where applicable); rules change with statute—verify with a qualified advisor.

energy.gov

Utilities & interconnection

Where shown, local utilities (e.g. APS, PG&E, FPL, and other IOUs or munis) are mapped from public interconnection, tariff, or service-territory references so net metering and rider rules match your area—not generic national averages.