East Islip, NY solar installation & market data
Updated December 23, 2025Provisional score · under 500 installs By The SolarDNA Data Team
East Islip has 203 solar installations across 1 zip code at a median installed cost of $4.42/W, recent growth not yet measurable, and an installs-weighted Market Score of 47.
Active installations
203
Zip markets
1
Median cost
$4.42/W
12-mo growth
—
Installers active
12
City Market Score
Great · installs-weighted across 1 zips
Best zip in East Islip scores higher than 76% of U.S. zip markets.
Versus New York
How East Islip compares with the state
Installed cost
$0.26/W above
state median $4.16/W
Market score
47 vs 59
New York scores 59
Share of state installs
0.11%
of 187.3K tracked statewide
Battery attach
3.5%
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
East Islip by year
5 installs in the trailing twelve months vs 13 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in East Islip
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNATION SOLAR SYSTEMS | 42 | 1 | 1 | $3.89 |
| 2 | TESLA | 21 | 1 | 1 | $5.60 |
| 3 | SUNRUN | 20 | 0 | 1 | $5.49 |
| 4 | SUNPOWER | 12 | 0 | 1 | $5.35 |
| 5 | EMPOWER SOLAR | 11 | 1 | 1 | $3.56 |
| 6 | NYSS | 8 | 0 | 1 | $3.89 |
| 7 | SUNRISE SOLAR | 7 | 0 | 1 | $3.79 |
| 8 | GREEN LOGIC | 6 | 0 | 1 | $3.98 |
| 9 | LEVEL SOLAR | 6 | 0 | 1 | $5.05 |
| 10 | HARVEST POWER | 5 | 0 | 1 | $3.95 |
| 11 | LONG ISLAND POWER SOLUTIONS | 5 | 0 | 1 | $3.63 |
| 12 | NRG RESIDENTIAL SOLAR SOLUTIONS | 5 | 0 | 1 | $3.72 |
Zip markets
Zips in East Islip
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 11730 | 203 | $4.42 | 47 B |