Islandia, NY 11749 solar market data
Updated October 30, 2025Provisional score · under 500 installs By The SolarDNA Data Team
Islandia 11749 has 61 solar installations at a median installed cost of $4.39/W, recent growth not yet measurable, and a Market Score of 47 — higher than 74% of U.S. zip markets.
Versus New York
How 11749 compares with the state
Installed cost
$0.23/W above
state median $4.16/W
Market score
47 vs 59
New York scores 59
Share of state installs
0.03%
of 187.3K tracked statewide
Battery attach
1.7%
state 2.1%
Statewide momentum
▲ 25.2%
residential solar added in New York, 12 months through Jul 2026
Statewide market
274.1K systems
6.4% of homes · utility-reported through Jul 2026
Growth & pricing
11749 by year
3 installs in the trailing twelve months vs 2 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 11749
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 15 | 0 | 9.19 | $5.00 |
| 2 | SUNATION SOLAR SYSTEMS | 12 | 0 | 23.14 | $3.56 |
| 3 | EMPOWER SOLAR | 3 | 0 | 23.94 | $3.94 |
| 4 | HARVEST POWER | 3 | 0 | 7.86 | $3.73 |
| 5 | LEVEL SOLAR | 3 | 0 | 7.2 | $5.10 |
| 6 | SUNRUN | 3 | 0 | 5.69 | $4.39 |
| 7 | MERCURY SOLAR | 2 | 0 | 50.31 | $4.80 |
| 8 | TRINITY SOLAR | 2 | 0 | 11.18 | $3.48 |
| 9 | MARCOR CONSTRUCTION | 1 | 1 | 9.03 | $3.30 |
| 10 | COOPER FRIEDMAN ELECTRIC SUPPLY | 1 | 0 | 18.3 | $3.52 |
| 11 | FJC | 1 | 0 | 11.55 | $3.00 |
| 12 | GREEN LOGIC | 1 | 0 | 19.95 | $3.81 |
Equipment
What gets installed in 11749
Share of systems with a recorded brand
Modules
TRINA SOLAR30.0%
LG ELECTRONICS20.0%
SUNPOWER15.0%
QCELLS NORTH AMERICA10.0%
REC GROUP7.5%
Inverters
SOLAREDGE35.0%
ENPHASE ENERGY30.0%
ABB20.0%
SMA AMERICA5.0%
FRONIUS USA2.5%
Frequently asked
Quick answers about 11749
How many solar installations are there in 11749?
SolarDNA counts 61 active solar installations in Islandia 11749, 54 of them residential, with data through October 30, 2025.
How much does solar cost in 11749?
The median residential system in 11749 cost $4.39 per watt over the trailing twelve months, $0.23/W above the New York median.
Is solar growing in 11749?
Recent growth cannot be measured yet for 11749: too few recent installs (data runs through October 30, 2025).
Who installs solar in 11749?
TESLA, SUNATION SOLAR SYSTEMS, EMPOWER SOLAR lead the 21 installers with systems in 11749. The full comp set is above.
Is 11749 a good market for solar sales?
11749 scores 47 out of 100 (Great, higher than 74% of U.S. zip markets). With under 500 installations the score is provisional.