Southold, NY solar installation & market data
Updated August 27, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Southold has 154 solar installations across 1 zip code at a median installed cost of $5.36/W, recent growth not yet measurable, and an installs-weighted Market Score of 42.
Active installations
154
Zip markets
1
Median cost
$5.36/W
12-mo growth
—
Installers active
12
City Market Score
Good · installs-weighted across 1 zips
Best zip in Southold scores higher than 54% of U.S. zip markets.
Versus New York
How Southold compares with the state
Installed cost
$1.20/W above
state median $4.16/W
Market score
42 vs 59
New York scores 59
Share of state installs
0.08%
of 187.3K tracked statewide
Battery attach
4.1%
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
Southold by year
4 installs in the trailing twelve months vs 5 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in Southold
Summed across every zip in the city
| # | Installer | Installs | 12-mo | Zips | $/W |
|---|---|---|---|---|---|
| 1 | GREEN LOGIC | 15 | 0 | 1 | $3.93 |
| 2 | SUNATION SOLAR SYSTEMS | 14 | 3 | 1 | $3.75 |
| 3 | SUNPOWER | 12 | 0 | 1 | $5.25 |
| 4 | TESLA | 9 | 1 | 1 | $5.60 |
| 5 | EASTERN ENERGY SYSTEMS | 5 | 0 | 1 | $4.47 |
| 6 | GREENLOGIC | 5 | 0 | 1 | $4.20 |
| 7 | HARVEST POWER | 4 | 0 | 1 | $3.08 |
| 8 | GO SOLAR GRID TIE SYSTEMS | 3 | 0 | 1 | $5.80 |
| 9 | LEVEL SOLAR | 3 | 0 | 1 | $5.00 |
| 10 | LONG ISLAND POWER SOLUTIONS | 3 | 0 | 1 | $3.70 |
| 11 | SUNWIZE TECHNOLOGIES | 3 | 0 | 1 | $4.22 |
| 12 | ALLIED BUILDING PRODUCTS | 2 | 0 | 1 | $3.57 |
Zip markets
Zips in Southold
Ranked by installations · click for the zip market
| Zip | Installs | $/W | Score |
|---|---|---|---|
| 11971 | 154 | $5.36 | 42 C |