Johnston City, IL 62951 solar market data
Updated September 2, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Johnston City 62951 has 43 solar installations, recent growth not yet measurable, and a Market Score of 41 — higher than 44% of U.S. zip markets.
Versus Illinois
How 62951 compares with the state
Installed cost
—
state median $6.56/W
Market score
41 vs 43
Illinois scores 43
Share of state installs
0.04%
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
62951 by year
19 installs in the trailing twelve months vs 5 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 62951
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | LGCY POWER | 9 | 8 | 15.38 | — |
| 2 | ADVANCED ENERGY SOLUTIONS GROUP | 3 | 2 | 14.29 | — |
| 3 | SOLARSHIPS INSTALLATION SERVICES | 2 | 2 | 10.05 | — |
| 4 | RESIDENTIAL SERVICE PROVIDERS | 2 | 0 | 22.75 | — |
| 5 | D&D ELECTRIC | 1 | 1 | 34.8 | — |
| 6 | ECOVOLE | 1 | 1 | 20.67 | — |
| 7 | FREEDOM FOREVER | 1 | 1 | 17.63 | — |
| 8 | GOODPWR | 1 | 1 | 11.21 | — |
| 9 | LEGACY SOLAR | 1 | 1 | 10.63 | — |
| 10 | OFF GRID ENERGY SOLUTIONS | 1 | 1 | 9.55 | — |
| 11 | OFF GRID ENERGY SOLUTIONS DBA AVEYO | 1 | 1 | 7.79 | — |
Frequently asked
Quick answers about 62951
How many solar installations are there in 62951?
SolarDNA counts 43 active solar installations in Johnston City 62951, 42 of them residential, with data through September 2, 2026.
How much does solar cost in 62951?
Not enough priced systems in 62951 to report a median.
Is solar growing in 62951?
Recent growth cannot be measured yet for 62951: too few recent installs (data runs through September 2, 2026).
Who installs solar in 62951?
LGCY POWER, ADVANCED ENERGY SOLUTIONS GROUP, SOLARSHIPS INSTALLATION SERVICES lead the 11 installers with systems in 62951. The full comp set is above.
Is 62951 a good market for solar sales?
62951 scores 41 out of 100 (Good, higher than 44% of U.S. zip markets). With under 500 installations the score is provisional.