DuPage County, IL solar installation & market data
Updated October 1, 2026 By The SolarDNA Data Team
DuPage County has 6,929 solar installations across 37 zip codes, installations down 16.3% over the trailing twelve months, and an installs-weighted Market Score of 41.
Active installations
6,929
Zip markets
37
Median cost
—
12-mo growth
▼ 16.3%
Installers active
109
County Market Score
Good · installs-weighted across 37 zips
Best zip in DuPage County scores higher than 56% of U.S. zip markets.
Versus Illinois
How DuPage County compares with the state
Installed cost
—
state median $6.56/W
Market score
41 vs 43
Illinois scores 43
Share of state installs
6.15%
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
Next-12-month outlook: 838–1,024 installs (midpoint 931)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±10% band. Not a forecast of permits or policy.
Growth & pricing
DuPage County by year
1,014 installs in the trailing twelve months vs 1,211 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in DuPage County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 667 | 288 | 31 | — |
| 2 | FRESH COAST SOLAR | 138 | 68 | 31 | — |
| 3 | CERTASUN | 123 | 70 | 30 | — |
| 4 | FREEDOM FOREVER | 84 | 51 | 24 | — |
| 5 | BRIGHT PLANET SOLAR | 66 | 36 | 23 | — |
| 6 | BRS FIELD OPS | 50 | 27 | 16 | — |
| 7 | GREENLINK SOLAR SOLUTIONS | 43 | 41 | 15 | — |
| 8 | WINDFREE WIND & SOLAR ENERGY | 38 | 20 | 19 | — |
| 9 | TESLA | 38 | 6 | 18 | — |
| 10 | BLUE RAVEN SOLAR | 37 | 1 | 19 | — |
| 11 | UNITY SOLAR GROUP | 30 | 20 | 14 | — |
| 12 | SUNPOWER | 29 | 29 | 15 | — |
| 13 | SOURCE SOLAR | 27 | 25 | 10 | — |
| 14 | REFICIENCY | 21 | 10 | 12 | — |
| 15 | GREENGRIDS | 20 | 17 | 7 | — |
| 16 | VIVINT SOLAR DEVELOPER | 19 | 3 | 10 | — |
| 17 | GREEN GRIDS SOLAR | 18 | 18 | 14 | — |
| 18 | POWUR PBC | 16 | 0 | 10 | — |
| 19 | TRUHOME PROS | 15 | 3 | 9 | — |
| 20 | SOLAR ENERGY OF ILLINOIS | 15 | 7 | 7 | — |
| 21 | KAPITAL ELECTRIC | 14 | 3 | 11 | — |
| 22 | SPARC SOLAR | 14 | 8 | 8 | — |
| 23 | QUALITY SOLAR | 14 | 7 | 9 | — |
| 24 | LGCY POWER | 13 | 11 | 10 | — |
| 25 | TRON SOLAR | 13 | 7 | 13 | — |
Zip markets
Zips in DuPage County
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 60133 | 577 | — | 35 D |
| 60188 | 474 | — | 40 C |
| 60504 | 419 | — | 40 C |
| 60139 | 388 | — | 43 C |
| 60517 | 348 | — | 43 C |
| 60148 | 348 | — | 43 C |
| 60185 | 338 | — | 42 C |
| 60126 | 281 | — | 42 C |
| 60563 | 279 | — | 42 C |
| 60101 | 218 | — | 42 C |
| 60137 | 209 | — | 42 C |
| 60532 | 208 | — | 42 C |
| 60516 | 199 | — | 42 C |
| 60172 | 196 | — | 42 C |
| 60565 | 189 | — | 42 C |
| 60540 | 185 | — | 42 C |
| 60561 | 182 | — | 42 C |
| 60181 | 168 | — | 42 C |
| 60108 | 160 | — | 42 C |
| 60527 | 155 | — | 42 C |
| 60187 | 153 | — | 42 C |
| 60439 | 146 | — | 42 C |
| 60515 | 143 | — | 42 C |
| 60106 | 130 | — | 42 C |
| 60555 | 125 | — | 42 C |
| 60559 | 124 | — | 42 C |
| 60189 | 118 | — | 42 C |
| 60191 | 96 | — | 41 C |
| 60190 | 95 | — | 41 C |
| 60521 | 82 | — | 41 C |
| 60143 | 64 | — | 41 C |
| 60523 | 49 | — | 41 C |
| 60514 | 38 | — | 41 C |
| 60184 | 23 | — | 41 C |
| 60157 | 20 | — | 41 C |
| 60138 | 1 | — | 41 C |
| 60566 | 1 | — | 41 C |