Rockford, IL 61108 solar market data
Updated September 18, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Rockford 61108 has 341 solar installations, installations down 17.4% over the trailing twelve months, and a Market Score of 38 — higher than 27% of U.S. zip markets.
Versus Illinois
How 61108 compares with the state
Installed cost
—
state median $6.56/W
Market score
38 vs 43
Illinois scores 43
Share of state installs
0.30%
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: 47–57 installs (midpoint 52)
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
61108 by year
57 installs in the trailing twelve months vs 69 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 61108
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 52 | 18 | 8.06 | — |
| 2 | ICONIC ENERGY | 11 | 5 | 10.55 | — |
| 3 | BRIGHT PLANET SOLAR | 9 | 8 | 8.05 | — |
| 4 | FREEDOM FOREVER | 8 | 5 | 9.77 | — |
| 5 | AMBIA ENERGY | 2 | 2 | 7.02 | — |
| 6 | APTIVE SOLAR DBA AMBIA ENERGY | 2 | 2 | 6.05 | — |
| 7 | SOURCE SOLAR | 2 | 2 | 9.31 | — |
| 8 | SUNPOWER | 2 | 2 | 11.68 | — |
| 9 | GREENLINK SOLAR SOLUTIONS | 2 | 1 | 578.34 | — |
| 10 | BRIGHT OPS | 1 | 1 | 11.2 | — |
| 11 | CERTASUN | 1 | 1 | 12.6 | — |
| 12 | CR SOLAR | 1 | 1 | 9.84 | — |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 61107 Rockford | 3.2 km | 325 | — | 43 |
| 61104 Rockford | 4.4 km | 81 | — | 41 |
| 61109 Rockford | 4.5 km | 455 | — | 40 |
| 61016 Cherry Valley | 6.1 km | 107 | — | 42 |
| 61103 Rockford | 7.4 km | 227 | — | 42 |
| 61114 Rockford | 7.8 km | 278 | — | 42 |
Same city
Other zips in Rockford
Frequently asked
Quick answers about 61108
How many solar installations are there in 61108?
SolarDNA counts 341 active solar installations in Rockford 61108, 332 of them residential, with data through September 18, 2026.
How much does solar cost in 61108?
Not enough priced systems in 61108 to report a median.
Is solar growing in 61108?
Installations in 61108 are down 17.4%: 57 in the trailing twelve months versus 69 before.
Who installs solar in 61108?
SUNRUN, ICONIC ENERGY, BRIGHT PLANET SOLAR lead the 27 installers with systems in 61108. The full comp set is above.
Is 61108 a good market for solar sales?
61108 scores 38 out of 100 (Fair, higher than 27% of U.S. zip markets). With under 500 installations the score is provisional.