West Sayville, NY solar installation & market data
Updated December 23, 2025Provisional score · under 500 installs By The SolarDNA Data Team
West Sayville has 51 solar installations across 1 zip code at a median installed cost of $4.23/W, recent growth not yet measurable, and an installs-weighted Market Score of 47.
Active installations
51
Zip markets
1
Median cost
$4.23/W
12-mo growth
—
Installers active
12
City Market Score
Great · installs-weighted across 1 zips
Best zip in West Sayville scores higher than 77% of U.S. zip markets.
Versus New York
How West Sayville compares with the state
Installed cost
$0.07/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
0.0%
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
West Sayville by year
2 installs in the trailing twelve months vs 3 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in West Sayville
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | SUNATION SOLAR SYSTEMS | 18 | 1 | 1 | $4.00 |
| 2 | NYSS | 5 | 0 | 1 | $4.37 |
| 3 | LEVEL SOLAR | 4 | 0 | 1 | $5.10 |
| 4 | SUNRUN | 4 | 0 | 1 | $3.96 |
| 5 | GREEN LOGIC | 2 | 1 | 1 | $4.35 |
| 6 | HARVEST POWER | 2 | 0 | 1 | $4.55 |
| 7 | LONG ISLAND POWER SOLUTIONS | 2 | 0 | 1 | $3.05 |
| 8 | DIRECT ENERGY SOLAR | 1 | 0 | 1 | $3.95 |
| 9 | HYTECH SOLAR | 1 | 0 | 1 | $3.71 |
| 10 | MERCURY SOLAR | 1 | 0 | 1 | $6.00 |
| 11 | SOLAR SOLUTIONS LONG ISLAND | 1 | 0 | 1 | $3.78 |
| 12 | SUNGEVITY | 1 | 0 | 1 | $3.63 |
Zip markets
Zips in West Sayville
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 11796 | 51 | $4.23 | 47 B |