Sound Beach, NY 11789 solar market data
Updated January 6, 2026Provisional score Β· under 500 installs By The SolarDNA Data Team
Sound Beach 11789 has 65 solar installations at a median installed cost of $3.98/W, recent growth not yet measurable, and a Market Score of 49 β higher than 83% of U.S. zip markets.
Versus New York
How 11789 compares with the state
Installed cost
$0.18/W below
state median $4.16/W
Market score
49 vs 59
New York scores 59
Share of state installs
0.03%
of 187.3K tracked statewide
Battery attach
3.5%
state 2.1%
Statewide momentum
β² 25.2%
residential solar added in New York, 12 months through Jul 2026
Statewide market
274.1K systems
6.4% of homes Β· utility-reported through Jul 2026
Growth & pricing
11789 by year
7 installs in the trailing twelve months vs 4 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 11789
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | SUNATION SOLAR SYSTEMS | 12 | 2 | 9.65 | $3.46 |
| 2 | TESLA | 8 | 1 | 6.99 | $5.60 |
| 3 | LONG ISLAND POWER SOLUTIONS | 5 | 0 | 8.02 | $4.50 |
| 4 | HARVEST POWER | 4 | 1 | 4.61 | $4.05 |
| 5 | SUNPOWER | 4 | 0 | 9.21 | $4.62 |
| 6 | EMPOWER SOLAR | 3 | 0 | 12.35 | $3.42 |
| 7 | SUNRUN | 3 | 0 | 9.06 | $2.54 |
| 8 | SURF CLEAN ENERGY | 3 | 0 | 10.94 | $3.63 |
| 9 | BUILT WELL SOLAR | 2 | 0 | 7.08 | $3.27 |
| 10 | GREEN LOGIC | 2 | 0 | 11.03 | $3.91 |
| 11 | GREENLEAF SOLAR NY | 2 | 0 | 6.13 | $3.48 |
| 12 | NRG RESIDENTIAL SOLAR SOLUTIONS | 2 | 0 | 8.91 | $3.81 |
Neighboring zips
The nearest zip markets
By distance between zip centroids
| Zip | Distance | Installs | $/W | Score |
|---|---|---|---|---|
| 11764 Miller Place | 2.0 km | 198 | $4.40 | 47 |
| 11778 Rocky Point | 3.3 km | 154 | $4.37 | 47 |
| 11766 Mount Sinai | 4.6 km | 142 | $4.52 | 46 |
| 11786 Shoreham | 6.9 km | 122 | $4.32 | 47 |
| 11777 Port Jefferson | 7.4 km | 79 | $4.64 | 45 |
| 11776 Port Jefferson Station | 7.7 km | 333 | $4.65 | 47 |
Equipment
What gets installed in 11789
Share of systems with a recorded brand
Modules
LG ELECTRONICS23.4%
S-ENERGY17.0%
SUNPOWER14.9%
TRINA SOLAR10.6%
SEG SOLAR8.5%
Inverters
ENPHASE ENERGY48.9%
SOLAREDGE23.4%
SMA AMERICA8.5%
ABB6.4%
FRONIUS USA6.4%
Frequently asked
Quick answers about 11789
How many solar installations are there in 11789?
SolarDNA counts 65 active solar installations in Sound Beach 11789, 64 of them residential, with data through January 6, 2026.
How much does solar cost in 11789?
The median residential system in 11789 cost $3.98 per watt over the trailing twelve months, $0.18/W below the New York median.
Is solar growing in 11789?
Recent growth cannot be measured yet for 11789: too few recent installs (data runs through January 6, 2026).
Who installs solar in 11789?
SUNATION SOLAR SYSTEMS, TESLA, LONG ISLAND POWER SOLUTIONS lead the 21 installers with systems in 11789. The full comp set is above.
Is 11789 a good market for solar sales?
11789 scores 49 out of 100 (Great, higher than 83% of U.S. zip markets). With under 500 installations the score is provisional.