McHenry County, IL solar installation & market data
Updated October 1, 2026 By The SolarDNA Data Team
McHenry County has 3,655 solar installations across 18 zip codes, installations down 10.3% over the trailing twelve months, and an installs-weighted Market Score of 42.
Active installations
3,655
Zip markets
18
Median cost
—
12-mo growth
▼ 10.3%
Installers active
82
County Market Score
Good · installs-weighted across 18 zips
Best zip in McHenry County scores higher than 63% of U.S. zip markets.
Versus Illinois
How McHenry County compares with the state
Installed cost
—
state median $6.56/W
Market score
42 vs 43
Illinois scores 43
Share of state installs
3.24%
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: 400–488 installs (midpoint 444)
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
McHenry County by year
468 installs in the trailing twelve months vs 522 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in McHenry County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 333 | 160 | 17 | — |
| 2 | FREEDOM FOREVER | 58 | 41 | 14 | — |
| 3 | BRIGHT PLANET SOLAR | 38 | 21 | 9 | — |
| 4 | CERTASUN | 32 | 14 | 11 | — |
| 5 | LGCY POWER | 26 | 26 | 10 | — |
| 6 | BRS FIELD OPS | 20 | 14 | 9 | — |
| 7 | BLUE RAVEN SOLAR | 18 | 1 | 10 | — |
| 8 | ICONIC ENERGY | 16 | 5 | 7 | — |
| 9 | TRON SOLAR | 15 | 2 | 10 | — |
| 10 | SUNPOWER | 12 | 12 | 9 | — |
| 11 | TESLA | 11 | 4 | 6 | — |
| 12 | FRESH COAST SOLAR | 9 | 3 | 6 | — |
| 13 | TRUHOME PROS | 9 | 0 | 7 | — |
| 14 | GREENLINK SOLAR SOLUTIONS | 8 | 4 | 5 | — |
| 15 | FIBONACCI ENERGY | 8 | 2 | 7 | — |
| 16 | VIVINT SOLAR DEVELOPER | 7 | 0 | 5 | — |
| 17 | LEGACY SOLAR | 7 | 7 | 5 | — |
| 18 | ION DEVELOPER | 6 | 0 | 3 | — |
| 19 | GREEN GRIDS SOLAR | 6 | 6 | 5 | — |
| 20 | RECON SOLAR CORPORATION | 6 | 1 | 3 | — |
| 21 | ION SOLAR | 5 | 5 | 4 | — |
| 22 | SPARC SOLAR | 5 | 4 | 3 | — |
| 23 | NATIONAL SOLAR SERVICE | 5 | 4 | 5 | — |
| 24 | WOLFPACK ELECTRIC | 5 | 5 | 5 | — |
| 25 | CR SOLAR | 5 | 4 | 4 | — |
Zip markets
Zips in McHenry County
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 60014 | 431 | — | 43 C |
| 60098 | 420 | — | 40 C |
| 60102 | 407 | — | 44 C |
| 60142 | 397 | — | 43 C |
| 60156 | 387 | — | 43 C |
| 60050 | 345 | — | 43 C |
| 60051 | 253 | — | 42 C |
| 60013 | 236 | — | 42 C |
| 60033 | 181 | — | 42 C |
| 60152 | 171 | — | 42 C |
| 60097 | 116 | — | 42 C |
| 60012 | 109 | — | 42 C |
| 60081 | 56 | — | 41 C |
| 60021 | 40 | — | 41 C |
| 60034 | 39 | — | 41 C |
| 60071 | 36 | — | 41 C |
| 60180 | 20 | — | 41 C |
| 60072 | 11 | — | 41 C |