Westhampton Beach, NY 11978 solar market data
Updated August 7, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Westhampton Beach 11978 has 76 solar installations at a median installed cost of $5.05/W, recent growth not yet measurable, and a Market Score of 44 — higher than 58% of U.S. zip markets.
Versus New York
How 11978 compares with the state
Installed cost
$0.89/W above
state median $4.16/W
Market score
44 vs 59
New York scores 59
Share of state installs
0.04%
of 187.3K tracked statewide
Battery attach
7.0%
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
11978 by year
2 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 11978
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | GREEN LOGIC | 7 | 1 | 9.35 | $3.90 |
| 2 | SUNATION SOLAR SYSTEMS | 7 | 0 | 11.34 | $4.24 |
| 3 | SUNPOWER | 3 | 0 | 8.64 | $5.21 |
| 4 | TESLA | 3 | 0 | 11.74 | $5.60 |
| 5 | EASTERN ENERGY SYSTEMS | 2 | 0 | 60.38 | $3.12 |
| 6 | EMPOWER SOLAR | 2 | 0 | 12.59 | $3.61 |
| 7 | GREENLOGIC | 2 | 0 | 22.76 | $3.98 |
| 8 | HARVEST POWER | 2 | 0 | 9.45 | $3.56 |
| 9 | LONG ISLAND POWER SOLUTIONS | 2 | 0 | 12.96 | $3.21 |
| 10 | NEOS ASSOCIATED | 2 | 0 | 24.84 | — |
| 11 | NYSS | 2 | 0 | 10.39 | $3.76 |
| 12 | R B QUALITY ELECTRIC | 2 | 0 | 6.55 | $4.62 |
Equipment
What gets installed in 11978
Share of systems with a recorded brand
Modules
LG ELECTRONICS21.2%
SUNPOWER21.2%
REC GROUP18.2%
QCELLS NORTH AMERICA12.1%
AU OPTRONICS6.1%
Inverters
ENPHASE ENERGY45.5%
SMA AMERICA18.2%
SOLAREDGE9.1%
FRONIUS USA6.1%
SUNPOWER6.1%
Frequently asked
Quick answers about 11978
How many solar installations are there in 11978?
SolarDNA counts 76 active solar installations in Westhampton Beach 11978, 69 of them residential, with data through August 7, 2026.
How much does solar cost in 11978?
The median residential system in 11978 cost $5.05 per watt over the trailing twelve months, $0.89/W above the New York median.
Is solar growing in 11978?
Recent growth cannot be measured yet for 11978: too few recent installs (data runs through August 7, 2026).
Who installs solar in 11978?
GREEN LOGIC, SUNATION SOLAR SYSTEMS, SUNPOWER lead the 26 installers with systems in 11978. The full comp set is above.
Is 11978 a good market for solar sales?
11978 scores 44 out of 100 (Good, higher than 58% of U.S. zip markets). With under 500 installations the score is provisional.