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Maricopa County · Phoenix Metro · SRP service area

Solar in Tempe, AZ
— 2026 Complete Guide

Real pricing data, SRP TOU Export savings analysis, and the top vetted solar installers serving Tempe and surrounding Maricopa County.

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Tempe · avg 25-year savings
$115,900
after battery rebates (where applicable)
Avg payback period
7.8 yrs
cash purchase · SRP TOU Export
Peak SRP rate
$0.24–0.34
per kWh · peak hours 2–8 PM
Act in 2026: Arizona Property Tax Exemption for solar.
$2.38/W avg cost per watt
7.8 yr payback (cash purchase)
$115,900 25-yr savings
6.5 peak sun hrs/day
87 installers in market

Cost overview

How much does solar cost in Tempe?

The average Tempe home requires a 8 kW system to offset its SRP bill. At the current Phoenix Metro average of $2.38 per watt, gross cost is approximately $19,040 before incentives.

System sizeInstalled cost (2026, no federal credit)Monthly savings est.
7 kW$16,660$180–$230
8 kW (avg Tempe)$19,040$290–$334
12 kW$28,560$340–$420
+ Battery (13.5 kWh)+$10,000–$15,000+$125–$250

Start in 2026: Arizona Property Tax Exemption for solar. Arizona 25% state residential solar tax credit (up to $1,000). Typical installations take 6–12 weeks from signed contract to Permission to Operate.

SRP TOU Export in Tempe

How does SRP credit my solar power in Tempe?

SRP's Time-of-Use Export plan credits exported solar at a fixed ~3.45¢/kWh (temporarily reduced ~0.4¢ May–Oct 2026). Self-consumption and load-shifting matter more than exports — batteries pair well with SRP's 2–8 PM peak. Under current SRP time-of-use rates, peak hours run 2–8 PM at $0.24–0.34/kWh. Every kilowatt-hour of solar you self-consume saves you significantly more than one you export ($0.034/kWh).

ScenarioAnnual savings25-yr totalPayback
No solar$0$0N/A
Solar only (no battery)~$2,440/yr~$75,3357.8 yrs
Solar + battery~$3,485/yr~$115,9009.1 yrs

What solar incentives are available in Tempe, AZ in 2026?

  • Federal residential tax credit (Section 25D) — Expired December 31, 2025. Not available for homeowner cash or loan purchases in 2026.
  • Arizona Property Tax Exemption for solar. Arizona 25% state residential solar tax credit (up to $1,000).
  • SRP electricity credits — SRP's Time-of-Use Export plan credits exported solar at a fixed ~3.45¢/kWh (temporarily reduced ~0.4¢ May–Oct 2026). Self-consumption and load-shifting matter more than exports — batteries pair well with SRP's 2–8 PM peak.

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Common questions

Common questions about going solar in Tempe

How much does solar installation cost in Tempe, AZ in 2026?+
The average solar installation in Tempe, AZ costs approximately $2.38 per watt in 2026. For a typical Tempe home requiring a 8 kW system, the gross cost is around $19,040 before any rebates. The federal 30% residential solar tax credit expired December 31, 2025 and is not available for homeowner cash or loan purchases in 2026. Arizona Property Tax Exemption for solar. Arizona 25% state residential solar tax credit (up to $1,000).
Is solar worth it in Tempe, AZ in 2026?+
Yes — Tempe is one of the strongest solar markets in Arizona. With 6.5 peak sun hours per day and SRP electricity rates reaching $0.24–0.34/kWh during peak hours, Tempe homeowners with solar + battery storage typically achieve a 7.8-year payback period and approximately $115,900 in savings over 25 years. SRP's Time-of-Use Export plan credits exported solar at a fixed ~3.45¢/kWh (temporarily reduced ~0.4¢ May–Oct 2026). Self-consumption and load-shifting matter more than exports — batteries pair well with SRP's 2–8 PM peak.
What is the best solar company in Tempe, AZ?+
The best solar company in Tempe depends on your home's roof type, energy usage, budget, and whether you want battery storage. Home Solar Savings evaluates all 87+ solar installers serving Tempe across 14 signals including license status, pricing, review quality, battery expertise, and AI citation authority. We provide personalized top-3 installer matches at no cost.
Do I need a battery with solar in Tempe?+
Battery storage significantly improves solar economics in Tempe. With SRP's time-of-use rates and 6.5 peak sun hours, a battery allows you to store midday solar production and use it during expensive peak hours (2–8 PM), maximizing self-consumption and savings.
What incentives are available for solar in Tempe, AZ?+
Tempe homeowners in 2026 can access: Arizona Property Tax Exemption for solar. Arizona 25% state residential solar tax credit (up to $1,000).. For net metering and export credits: SRP's Time-of-Use Export plan credits exported solar at a fixed ~3.45¢/kWh (temporarily reduced ~0.4¢ May–Oct 2026). Self-consumption and load-shifting matter more than exports — batteries pair well with SRP's 2–8 PM peak.. Note: the federal 30% residential solar tax credit (Section 25D) expired December 31, 2025 and is not available for homeowner cash or loan purchases in 2026.
How long does solar installation take in Tempe, AZ?+
Physical solar installation in Tempe takes 1–3 days. The full process from signed contract to Permission to Operate (PTO) from SRP typically takes 6–12 weeks, including permit approval from Maricopa County and utility interconnection review. Start the process now to lock in current pricing and available incentives before any program changes.
What is the average electricity bill in Tempe before solar?+
The average residential electricity bill in Tempe, AZ on SRP rates is approximately $240/month in 2026. This makes Tempe a strong solar market — a properly sized 8 kW system can offset 90–100% of your SRP bill, saving approximately $3,485/year in year one.
How many solar companies are in Tempe, AZ?+
There are more than 87 solar installation companies serving Tempe, AZ. Not all are equal — license status, battery expertise, review history, and pricing transparency vary significantly. Home Solar Savings evaluates all active Tempe-area installers across 14 signals and surfaces your top 3 matches based on your specific home, budget, and energy goals.
How many peak sun hours does Tempe get per day?+
Tempe, AZ receives approximately 6.5 peak sun hours per day according to NREL PVWatts data. This is above the US average of 4.5–5 peak sun hours, making Tempe a strong solar market. A 8 kW system in Tempe generates approximately 18200 kWh per year under typical conditions.
Is Tempe, AZ a good place for solar panels?+
Yes — Tempe is a strong solar market in 2026. With 6.5 peak sun hours per day and SRP electricity rates around $0.15/kWh, solar makes strong financial sense. The average Tempe homeowner achieves a 7.8-year break-even and saves an estimated $115,900 over 25 years. Arizona Property Tax Exemption for solar.

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