Quincy, IL 62305 solar market data
Updated September 1, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Quincy 62305 has 299 solar installations, recent growth not yet measurable, and a Market Score of 43 — higher than 54% of U.S. zip markets.
Versus Illinois
How 62305 compares with the state
Installed cost
—
state median $6.56/W
Market score
43 vs 43
Illinois scores 43
Share of state installs
0.27%
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
62305 by year
47 installs in the trailing twelve months vs 89 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 62305
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | LANDMARK SOLAR | 27 | 19 | 23.26 | — |
| 2 | FREEDOM FOREVER | 23 | 8 | 10.22 | — |
| 3 | SUNSPOT SOLAR | 17 | 0 | 25.69 | — |
| 4 | SOURCE SOLAR | 12 | 12 | 10.97 | — |
| 5 | LANDMARK IRRIGATION & DRAINAGE DBA LANDMARK SOLAR | 2 | 2 | 7.65 | — |
| 6 | SOLARSHIPS INSTALLATION SERVICES | 2 | 2 | 15.22 | — |
| 7 | LGCY POWER | 2 | 1 | 13.57 | — |
| 8 | CORVUS PRO SOLAR LLP | 2 | 0 | 10.25 | — |
| 9 | OFF GRID BLUE SKY SMART SOLUTIONS | 2 | 0 | 9.44 | — |
| 10 | AVEYO OFF GRID ENERGY SOLUTIONS | 1 | 1 | 8.61 | — |
| 11 | NELNET RENEWABLE ENERGY | 1 | 1 | 352.51 | — |
| 12 | REVOLUTION ENERGY SYSTEMS | 1 | 1 | 10 | — |
Frequently asked
Quick answers about 62305
How many solar installations are there in 62305?
SolarDNA counts 299 active solar installations in Quincy 62305, 288 of them residential, with data through September 1, 2026.
How much does solar cost in 62305?
Not enough priced systems in 62305 to report a median.
Is solar growing in 62305?
Recent growth cannot be measured yet for 62305: too few recent installs (data runs through September 1, 2026).
Who installs solar in 62305?
LANDMARK SOLAR, FREEDOM FOREVER, SUNSPOT SOLAR lead the 19 installers with systems in 62305. The full comp set is above.
Is 62305 a good market for solar sales?
62305 scores 43 out of 100 (Good, higher than 54% of U.S. zip markets). With under 500 installations the score is provisional.