Northbrook, IL solar installation & market data
Updated August 20, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Northbrook has 264 solar installations across 2 zip codes, recent growth not yet measurable, and an installs-weighted Market Score of 42.
Active installations
264
Zip markets
2
Median cost
—
12-mo growth
—
Installers active
18
City Market Score
Good · installs-weighted across 2 zips
Best zip in Northbrook scores higher than 53% of U.S. zip markets.
Versus Illinois
How Northbrook compares with the state
Installed cost
—
state median $6.56/W
Market score
42 vs 43
Illinois scores 43
Share of state installs
0.23%
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
Northbrook by year
39 installs in the trailing twelve months vs 40 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Northbrook
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 29 | 16 | 1 | — |
| 2 | CERTASUN | 14 | 9 | 1 | — |
| 3 | BRS FIELD OPS | 6 | 3 | 1 | — |
| 4 | FRESH COAST SOLAR | 5 | 2 | 1 | — |
| 5 | CELESTAR SOLAR | 3 | 2 | 1 | — |
| 6 | BRIGHT PLANET SOLAR | 2 | 0 | 2 | — |
| 7 | WINDFREE SOLAR | 2 | 1 | 1 | — |
| 8 | SOLAR ENERGY OF ILLINOIS | 1 | 0 | 1 | — |
| 9 | LGCY POWER | 1 | 1 | 1 | — |
| 10 | FREEDOM FOREVER | 1 | 0 | 1 | — |
| 11 | TRON SOLAR | 1 | 0 | 1 | — |
| 12 | BLUE RAVEN SOLAR | 1 | 0 | 1 | — |
| 13 | SUNRISE SOLAR | 1 | 1 | 1 | — |
| 14 | VIVINT SOLAR DEVELOPER | 1 | 0 | 1 | — |
| 15 | SOURCE SOLAR | 1 | 1 | 1 | — |
| 16 | ALL ENERGY SOLAR | 1 | 1 | 1 | — |
| 17 | GENERAL ENERGY CORPORATION | 1 | 0 | 1 | — |
| 18 | WINDFREE WIND & SOLAR ENERGY | 1 | 1 | 1 | — |