Sangamon County, IL solar installation & market data
Updated October 1, 2026 By The SolarDNA Data Team
Sangamon County has 1,320 solar installations across 26 zip codes, installations down 27.5% over the trailing twelve months, and an installs-weighted Market Score of 41.
Active installations
1,320
Zip markets
26
Median cost
—
12-mo growth
▼ 27.5%
Installers active
59
County Market Score
Good · installs-weighted across 26 zips
Best zip in Sangamon County scores higher than 49% of U.S. zip markets.
Versus Illinois
How Sangamon County compares with the state
Installed cost
—
state median $6.56/W
Market score
41 vs 43
Illinois scores 43
Share of state installs
1.17%
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: 169–223 installs (midpoint 196)
Trailing-12-month installs carried forward at half the observed growth rate (capped at ±30%), with a ±14% band. Not a forecast of permits or policy.
Growth & pricing
Sangamon County by year
227 installs in the trailing twelve months vs 313 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Sangamon County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | ROUTE 66 SOLAR | 68 | 19 | 17 | — |
| 2 | FREEDOM FOREVER | 36 | 25 | 15 | — |
| 3 | LGCY POWER | 26 | 13 | 12 | — |
| 4 | SUNRUN | 24 | 13 | 12 | — |
| 5 | OFF GRID ENERGY SOLUTIONS | 16 | 10 | 11 | — |
| 6 | PROGRESSIVE ELECTRIC | 15 | 5 | 11 | — |
| 7 | OFF GRID BLUE SKY SMART SOLUTIONS | 12 | 1 | 9 | — |
| 8 | PORTER ELECTRIC | 12 | 5 | 10 | — |
| 9 | CLOSS ELECTRIC COMPANY | 12 | 9 | 8 | — |
| 10 | TITAN SOLAR POWER | 8 | 1 | 3 | — |
| 11 | BLUE SKY SMART SOLUTIONS | 8 | 0 | 7 | — |
| 12 | ADT SOLAR | 8 | 3 | 7 | — |
| 13 | MB HEATING & COOLING | 8 | 3 | 6 | — |
| 14 | CR SOLAR | 7 | 3 | 6 | — |
| 15 | REVOLUTION ENERGY SYSTEMS | 6 | 6 | 5 | — |
| 16 | EFS ENERGY | 5 | 4 | 4 | — |
| 17 | LEGACY SOLAR | 5 | 3 | 5 | — |
| 18 | OFF GRID ENERGY SOLUTIONS DBA AVEYO | 4 | 4 | 3 | — |
| 19 | MISSOURI SUN SOLAR | 4 | 1 | 3 | — |
| 20 | ANDERSON ELECTRIC | 4 | 2 | 2 | — |
| 21 | RENEWABLE CONSULTING | 3 | 3 | 3 | — |
| 22 | PALMETTO SOLAR | 3 | 1 | 3 | — |
| 23 | RYAN ELECTRIC | 3 | 1 | 3 | — |
| 24 | AG TECHNOLOGIES | 3 | 1 | 1 | — |
| 25 | AMBIA SOLAR FOR PALMETTO EPC | 3 | 3 | 3 | — |
Zip markets
Zips in Sangamon County
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 62711 | 185 | — | 42 C |
| 62704 | 115 | — | 42 C |
| 62712 | 111 | — | 42 C |
| 62563 | 105 | — | 42 C |
| 62684 | 97 | — | 41 C |
| 62629 | 86 | — | 41 C |
| 62707 | 78 | — | 41 C |
| 62702 | 74 | — | 41 C |
| 62677 | 70 | — | 41 C |
| 62670 | 69 | — | 41 C |
| 62703 | 62 | — | 41 C |
| 62615 | 53 | — | 41 C |
| 62561 | 30 | — | 41 C |
| 62693 | 28 | — | 41 C |
| 62558 | 28 | — | 41 C |
| 62545 | 24 | — | 41 C |
| 62530 | 19 | — | 41 C |
| 62539 | 17 | — | 41 C |
| 62661 | 17 | — | 41 C |
| 62520 | 16 | — | 41 C |
| 62625 | 11 | — | 41 C |
| 62701 | 9 | — | 41 C |
| 62536 | 7 | — | 41 C |
| 62515 | 5 | — | 41 C |
| 62689 | 3 | — | 41 C |
| 62794 | 1 | — | 41 C |