Belvidere, IL solar installation & market data
Updated September 11, 2026 By The SolarDNA Data Team
Belvidere has 691 solar installations across 1 zip code, installations down 9.9% over the trailing twelve months, and an installs-weighted Market Score of 42.
Active installations
691
Zip markets
1
Median cost
—
12-mo growth
▼ 9.9%
Installers active
12
City Market Score
Good · installs-weighted across 1 zips
Best zip in Belvidere scores higher than 49% of U.S. zip markets.
Versus Illinois
How Belvidere compares with the state
Installed cost
—
state median $6.56/W
Market score
42 vs 43
Illinois scores 43
Share of state installs
0.61%
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: 70–86 installs (midpoint 78)
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
Belvidere by year
82 installs in the trailing twelve months vs 91 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Belvidere
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 48 | 22 | 1 | — |
| 2 | ICONIC ENERGY | 30 | 8 | 1 | — |
| 3 | BRIGHT PLANET SOLAR | 14 | 12 | 1 | — |
| 4 | SUNPOWER | 13 | 13 | 1 | — |
| 5 | FREEDOM FOREVER | 11 | 5 | 1 | — |
| 6 | GREENLINK SOLAR SOLUTIONS | 4 | 2 | 1 | — |
| 7 | TRON SOLAR | 3 | 2 | 1 | — |
| 8 | AMERESCO | 2 | 2 | 1 | — |
| 9 | CR SOLAR | 2 | 1 | 1 | — |
| 10 | LGCY POWER | 2 | 1 | 1 | — |
| 11 | TRUHOME PROS | 2 | 1 | 1 | — |
| 12 | VIVINT SOLAR DEVELOPER | 2 | 1 | 1 | — |
Zip markets
Zips in Belvidere
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 61008 | 691 | — | 42 C |