Typical home: Worth it

Solar in Tempe, AZ

With Arizona Public Service (APS)'s electricity at about 17.2¢ per kWh and 1,752 kWh of sun per kW, solar is worth it for a typical Tempe home today: about a 11.7-year payback.

Payback, typical home
11.7 yrsArizona: 12.7 yrs
25-year net
$13,226after paying $9,430
Sun
1,752kWh per kW per year
Electricity
17.2¢4% below U.S. average

A typical Tempe home, by the numbers

UtilityArizona Public Service (APS)
Electricity use966 kWh a month
Best-value system3.3 kW, about 8 panels, 5,781 kWh a year (50% of use)
Cost$10,430, or $9,430 after state incentives
First-year savings$817
Payback11.7 years
Exported power5.554¢/kWh (Arizona Public Service (APS))

Cash purchase, no federal credit, 2.3% yearly rate increases. Run it with your own numbers.

Solar production per kW in Tempe

kWh per kW each month, south-facing at 20° tilt. PVWatts v8 with local typical-year weather.

Show as a table
PeriodValue
Jan118
Feb123
Mar154
Apr171
May179
Jun170
Jul157
Aug158
Sep148
Oct142
Nov124
Dec108

Homes in Tempe

Owner-occupied homes
42%
Single-family detached
38%
Median home value
$455k
Median year built
1984
Population
188,065
Solar installs, last 3 years*
630
Roofs suitable for solar†
96%

Census ACS 2020–2024. *Installations in public records for this area's ZIP codes. †Share of 43,609 buildings Google Project Sunroof rated technically suitable (2019 snapshot).

Installers working in Tempe

Companies with the most installations in Tempe's ZIP codes over the last 3 years, from public records. We don't take payment for placement.

  1. Our World Energy 71 installs
  2. Fusion Power 60 installs
  3. Capital Energy 47 installs
  4. Integrity Electrical Contracting 33 installs
  5. Freedom Forever 31 installs
  6. Inty Solar 25 installs
  7. On Point Solar Power 24 installs
  8. Tesla Energy 20 installs
  9. Titan Solar Power 18 installs
  10. Solar Topps 15 installs

Always verify the license and get at least three quotes. Compare quotes side by side.

Questions about solar in Tempe

Is solar worth it in Tempe, AZ?

For a typical home in Tempe, solar is worth it at 2026 prices: a 3.3 kW system costs about $9,430 after state incentives, saves about $817 in year one and pays back in about 11.7 years. Enter your address for an estimate based on your roof and bill.

How much solar power does a system produce in Tempe?

About 1,752 kWh per year for each kW of panels on a south-facing roof, based on PVWatts and local weather. That's 1% less than the Arizona average. East- or west-facing roofs produce roughly 10–20% less.

Who is the electric utility in Tempe?

Most homes in Tempe are served by Arizona Public Service (APS), at about 17.2¢ per kWh on average. Some areas are served by Salt River Project (SRP), City of Mesa, USBIA-San Carlos Project.

How much do solar panels cost in Tempe?

A fair cash price is around $2.60 per watt before incentives, so about $10,430 for a 3.3 kW system. There's no federal tax credit for homeowners who buy in 2026.

Nearby

Data: PVWatts (National Laboratory of the Rockies), EIA-861 2025 adjusted to 2026, U.S. Census ACS, LBNL Tracking the Sun, state policy research as of October 2026.