Sag Harbor, NY solar installation & market data
Updated December 18, 2025Provisional score · under 500 installs By The SolarDNA Data Team
Sag Harbor has 167 solar installations across 1 zip code at a median installed cost of $5.34/W, recent growth not yet measurable, and an installs-weighted Market Score of 43.
Active installations
167
Zip markets
1
Median cost
$5.34/W
12-mo growth
—
Installers active
12
City Market Score
Good · installs-weighted across 1 zips
Best zip in Sag Harbor scores higher than 55% of U.S. zip markets.
Versus New York
How Sag Harbor compares with the state
Installed cost
$1.18/W above
state median $4.16/W
Market score
43 vs 59
New York scores 59
Share of state installs
0.09%
of 187.3K tracked statewide
Battery attach
6.2%
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
Sag Harbor by year
6 installs in the trailing twelve months vs 6 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Sag Harbor
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | GREEN LOGIC | 29 | 0 | 1 | $4.45 |
| 2 | SUNPOWER | 20 | 0 | 1 | $5.41 |
| 3 | TESLA | 10 | 0 | 1 | $5.60 |
| 4 | SUNATION SOLAR SYSTEMS | 9 | 0 | 1 | $3.88 |
| 5 | GREENLOGIC | 7 | 0 | 1 | $4.97 |
| 6 | HARVEST POWER | 6 | 0 | 1 | $3.93 |
| 7 | EMPOWER SOLAR | 5 | 0 | 1 | $3.45 |
| 8 | ELEMENT ENERGY | 2 | 1 | 1 | $4.15 |
| 9 | NRG RESIDENTIAL SOLAR SOLUTIONS | 2 | 0 | 1 | $3.92 |
| 10 | SUNSTREAM USA | 2 | 0 | 1 | $4.09 |
| 11 | HYTECH SOLAR | 1 | 1 | 1 | $5.67 |
| 12 | AMERICAN SOLAR PARTNERS | 1 | 0 | 1 | $3.75 |
Zip markets
Zips in Sag Harbor
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 11963 | 167 | $5.34 | 43 C |