Farmington, IL 61531 solar market data
Updated September 1, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Farmington 61531 has 56 solar installations, recent growth not yet measurable, and a Market Score of 41 — higher than 44% of U.S. zip markets.
Versus Illinois
How 61531 compares with the state
Installed cost
—
state median $6.56/W
Market score
41 vs 43
Illinois scores 43
Share of state installs
0.05%
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
61531 by year
9 installs in the trailing twelve months vs 16 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 61531
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNRUN | 4 | 1 | 12.1 | — |
| 2 | ROY KEITH ELECTRIC | 3 | 2 | 32.75 | — |
| 3 | LEGACY SOLAR | 3 | 1 | 34.08 | — |
| 4 | CR SOLAR | 2 | 2 | 18.4 | — |
| 5 | OASIS WORLD SOLUTIONS | 2 | 0 | 13.12 | — |
| 6 | ROY KEITH ELECTRIC COMPANY | 2 | 0 | 9.6 | — |
| 7 | EWD ENERGY SOLUTIONS | 1 | 1 | 17.43 | — |
| 8 | JDK ACQUISITIONS DBA QUALITY SOLAR | 1 | 1 | 8.5 | — |
| 9 | PORTER ELECTRIC | 1 | 1 | 30.75 | — |
| 10 | OFF GRID BLUE SKY SMART SOLUTIONS | 1 | 0 | 4.1 | — |
Frequently asked
Quick answers about 61531
How many solar installations are there in 61531?
SolarDNA counts 56 active solar installations in Farmington 61531, 43 of them residential, with data through September 1, 2026.
How much does solar cost in 61531?
Not enough priced systems in 61531 to report a median.
Is solar growing in 61531?
Recent growth cannot be measured yet for 61531: too few recent installs (data runs through September 1, 2026).
Who installs solar in 61531?
SUNRUN, ROY KEITH ELECTRIC, LEGACY SOLAR lead the 10 installers with systems in 61531. The full comp set is above.
Is 61531 a good market for solar sales?
61531 scores 41 out of 100 (Good, higher than 44% of U.S. zip markets). With under 500 installations the score is provisional.