Boone County, IL solar installation & market data
Updated September 17, 2026 By The SolarDNA Data Team
Boone County has 1,133 solar installations across 5 zip codes, installations down 17.9% over the trailing twelve months, and an installs-weighted Market Score of 42.
Active installations
1,133
Zip markets
5
Median cost
—
12-mo growth
▼ 17.9%
Installers active
35
County Market Score
Good · installs-weighted across 5 zips
Best zip in Boone County scores higher than 49% of U.S. zip markets.
Versus Illinois
How Boone County compares with the state
Installed cost
—
state median $6.56/W
Market score
42 vs 43
Illinois scores 43
Share of state installs
1.01%
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: 116–142 installs (midpoint 129)
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
Boone County by year
142 installs in the trailing twelve months vs 173 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Boone County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 81 | 37 | 4 | — |
| 2 | ICONIC ENERGY | 51 | 11 | 5 | — |
| 3 | BRIGHT PLANET SOLAR | 20 | 17 | 4 | — |
| 4 | SUNPOWER | 16 | 16 | 3 | — |
| 5 | FREEDOM FOREVER | 16 | 6 | 4 | — |
| 6 | LGCY POWER | 8 | 5 | 3 | — |
| 7 | VIVINT SOLAR DEVELOPER | 7 | 1 | 4 | — |
| 8 | CR SOLAR LIMITED LIABILITY COMPANY | 5 | 5 | 3 | — |
| 9 | GREENLINK SOLAR SOLUTIONS | 4 | 2 | 1 | — |
| 10 | CR SOLAR | 3 | 2 | 2 | — |
| 11 | BRAVEN SOLAR | 3 | 3 | 3 | — |
| 12 | EAGLE POINT SOLAR | 3 | 0 | 2 | — |
| 13 | TRON SOLAR | 3 | 2 | 1 | — |
| 14 | POWUR PBC | 2 | 2 | 2 | — |
| 15 | TESLA | 2 | 2 | 2 | — |
| 16 | STATELINE SOLAR | 2 | 2 | 2 | — |
| 17 | TRUHOME PROS | 2 | 1 | 1 | — |
| 18 | AMERESCO | 2 | 2 | 1 | — |
| 19 | FIBONACCI ENERGY | 2 | 0 | 1 | — |
| 20 | LEHMANN ELECTRIC & DESIGN | 2 | 1 | 1 | — |
| 21 | WOLFPACK ELECTRIC | 2 | 1 | 2 | — |
| 22 | EMPWR SOLAR LLP | 2 | 2 | 1 | — |
| 23 | BLUE RAVEN SOLAR | 1 | 0 | 1 | — |
| 24 | BRIGHT OPS | 1 | 1 | 1 | — |
| 25 | SPARC SOLAR | 1 | 1 | 1 | — |