Plainfield, IL solar installation & market data
Updated September 21, 2026 By The SolarDNA Data Team
Plainfield has 1,715 solar installations across 3 zip codes, installations down 27.5% over the trailing twelve months, and an installs-weighted Market Score of 37.
Active installations
1,715
Zip markets
3
Median cost
—
12-mo growth
▼ 27.5%
Installers active
49
City Market Score
Fair · installs-weighted across 3 zips
Best zip in Plainfield scores higher than 32% of U.S. zip markets.
Versus Illinois
How Plainfield compares with the state
Installed cost
—
state median $6.56/W
Market score
37 vs 43
Illinois scores 43
Share of state installs
1.52%
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: 165–217 installs (midpoint 191)
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
Plainfield by year
221 installs in the trailing twelve months vs 305 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Plainfield
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 160 | 91 | 3 | — |
| 2 | FREEDOM FOREVER | 51 | 36 | 3 | — |
| 3 | BRS FIELD OPS | 25 | 10 | 3 | — |
| 4 | BLUE RAVEN SOLAR | 25 | 0 | 3 | — |
| 5 | CERTASUN | 22 | 12 | 3 | — |
| 6 | BRIGHT PLANET SOLAR | 18 | 3 | 3 | — |
| 7 | GREENGRIDS | 12 | 5 | 3 | — |
| 8 | TESLA | 11 | 2 | 3 | — |
| 9 | SUNPOWER | 9 | 8 | 3 | — |
| 10 | FRESH COAST SOLAR | 9 | 4 | 3 | — |
| 11 | ION DEVELOPER | 8 | 3 | 3 | — |
| 12 | GREEN TECH CONSTRUCTION | 7 | 7 | 2 | — |
| 13 | GREEN GRIDS SOLAR | 6 | 6 | 3 | — |
| 14 | NATIONAL SOLAR SERVICE | 5 | 0 | 3 | — |
| 15 | VIVINT SOLAR DEVELOPER | 5 | 0 | 2 | — |
| 16 | TRON SOLAR | 5 | 2 | 2 | — |
| 17 | LGCY POWER | 4 | 3 | 2 | — |
| 18 | RETHINK ELECTRIC | 4 | 0 | 1 | — |
| 19 | KAPITAL ELECTRIC | 4 | 1 | 3 | — |
| 20 | SPARC SOLAR | 3 | 3 | 3 | — |
| 21 | UNITY SOLAR GROUP | 3 | 3 | 1 | — |
| 22 | POWUR PBC | 3 | 0 | 3 | — |
| 23 | REFICIENCY | 3 | 1 | 2 | — |
| 24 | MIDWEST SOLUTIONS | 3 | 3 | 2 | — |
| 25 | SUNRISE SOLAR | 2 | 2 | 2 | — |