Putnam County, IL solar installation & market data
Updated July 15, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Putnam County has 72 solar installations across 6 zip codes, recent growth not yet measurable, and an installs-weighted Market Score of 41.
Active installations
72
Zip markets
6
Median cost
—
12-mo growth
—
Installers active
14
County Market Score
Good · installs-weighted across 6 zips
Best zip in Putnam County scores higher than 42% of U.S. zip markets.
Versus Illinois
How Putnam County compares with the state
Installed cost
—
state median $6.56/W
Market score
41 vs 43
Illinois scores 43
Share of state installs
0.06%
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
Growth & pricing
Putnam County by year
25 installs in the trailing twelve months vs 27 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Putnam County
Summed across every zip in the county
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 15 | 3 | 5 | — |
| 2 | FREEDOM FOREVER | 5 | 4 | 4 | — |
| 3 | ROUTE 66 SOLAR | 2 | 0 | 1 | — |
| 4 | GRNE-NELNET DBA GRNE SOLAR | 2 | 2 | 1 | — |
| 5 | INDEPENDENCE RENEWABLE ENERGY | 1 | 1 | 1 | — |
| 6 | OASIS WORLD SOLUTIONS | 1 | 1 | 1 | — |
| 7 | 100 AMPS | 1 | 0 | 1 | — |
| 8 | A M KERNS CONSTRUCTION | 1 | 1 | 1 | — |
| 9 | OFF GRID ENERGY SOLUTIONS | 1 | 1 | 1 | — |
| 10 | LEGACY SOLAR | 1 | 0 | 1 | — |
| 11 | CR SOLAR | 1 | 1 | 1 | — |
| 12 | QUALITY SOLAR | 1 | 1 | 1 | — |
| 13 | BRIGHT PLANET SOLAR | 1 | 1 | 1 | — |
| 14 | HARVEST ENERGY SOLUTIONS | 1 | 0 | 1 | — |