Joliet, IL 60431 solar market data
Updated September 14, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Joliet 60431 has 488 solar installations, recent growth not yet measurable, and a Market Score of 43 — higher than 58% of U.S. zip markets.
Versus Illinois
How 60431 compares with the state
Installed cost
—
state median $6.56/W
Market score
43 vs 43
Illinois scores 43
Share of state installs
0.43%
of 112.7K tracked statewide
Battery attach
0.0%
state 0.0%
Statewide momentum
▲ 23.1%
residential solar added in Illinois, 12 months through Jul 2026
Statewide market
136.9K systems
4.0% of homes · utility-reported through Jul 2026
Growth & pricing
60431 by year
48 installs in the trailing twelve months vs 72 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 60431
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 51 | 27 | 10.52 | — |
| 2 | FREEDOM FOREVER | 9 | 4 | 10.41 | — |
| 3 | BRIGHT PLANET SOLAR | 8 | 4 | 6.44 | — |
| 4 | LGCY POWER | 3 | 3 | 11.72 | — |
| 5 | CR SOLAR | 3 | 1 | 7.07 | — |
| 6 | NATIONAL SOLAR SERVICE | 3 | 0 | 7.06 | — |
| 7 | SUNRISE SOLAR IL | 2 | 2 | 5.95 | — |
| 8 | VIVINT SOLAR DEVELOPER | 2 | 0 | 8.13 | — |
| 9 | EMPIRE SOLAR | 1 | 1 | 7.59 | — |
| 10 | EMPWR SOLAR LLP | 1 | 1 | 9.78 | — |
| 11 | ETW ENERGY TX | 1 | 1 | 6.48 | — |
| 12 | FRESH COAST SOLAR | 1 | 1 | 6.48 | — |
Frequently asked
Quick answers about 60431
How many solar installations are there in 60431?
SolarDNA counts 488 active solar installations in Joliet 60431, 483 of them residential, with data through September 14, 2026.
How much does solar cost in 60431?
Not enough priced systems in 60431 to report a median.
Is solar growing in 60431?
Recent growth cannot be measured yet for 60431: too few recent installs (data runs through September 14, 2026).
Who installs solar in 60431?
SUNRUN, FREEDOM FOREVER, BRIGHT PLANET SOLAR lead the 21 installers with systems in 60431. The full comp set is above.
Is 60431 a good market for solar sales?
60431 scores 43 out of 100 (Good, higher than 58% of U.S. zip markets). With under 500 installations the score is provisional.