Riverhead, NY 11901 solar market data
Updated February 12, 2026Provisional score · under 500 installs By The SolarDNA Data Team
Riverhead 11901 has 332 solar installations at a median installed cost of $4.84/W, recent growth not yet measurable, and a Market Score of 46 — higher than 71% of U.S. zip markets.
Versus New York
How 11901 compares with the state
Installed cost
$0.69/W above
state median $4.16/W
Market score
46 vs 59
New York scores 59
Share of state installs
0.18%
of 187.3K tracked statewide
Battery attach
2.5%
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
11901 by year
9 installs in the trailing twelve months vs 17 before
Installations by year
Median installed cost, $/W DC by year
Installer comp set
Who installs in 11901
Ranked by systems recorded in this zip
| # | Installer | Installs | 12-mo | Avg kW | $/W |
|---|---|---|---|---|---|
| 1 | TESLA | 47 | 0 | 6.88 | $5.60 |
| 2 | SUNATION SOLAR SYSTEMS | 28 | 2 | 27.45 | $3.40 |
| 3 | EASTERN ENERGY SYSTEMS | 23 | 0 | 12.02 | $3.78 |
| 4 | GREEN LOGIC | 18 | 0 | 7.53 | $4.03 |
| 5 | NRG RESIDENTIAL SOLAR SOLUTIONS | 15 | 0 | 6.72 | $3.72 |
| 6 | HARVEST POWER | 13 | 2 | 10.17 | $4.18 |
| 7 | EMPOWER SOLAR | 12 | 1 | 14.04 | $3.08 |
| 8 | LEVEL SOLAR | 10 | 0 | 7.53 | $4.88 |
| 9 | SUNSTREAM USA | 9 | 0 | 11.03 | $5.66 |
| 10 | SAFARI ENERGY | 8 | 0 | 106.14 | $2.45 |
| 11 | SUNPOWER | 8 | 0 | 6.21 | $5.82 |
| 12 | SUNRUN | 8 | 0 | 9.07 | $3.17 |
Equipment
What gets installed in 11901
Share of systems with a recorded brand
Modules
LG ELECTRONICS19.4%
SUNPOWER17.9%
TRINA SOLAR17.3%
QCELLS NORTH AMERICA9.7%
CSI SOLAR8.2%
Inverters
ENPHASE ENERGY28.9%
SOLAREDGE27.4%
SMA AMERICA19.8%
ABB12.7%
UNKNOWN4.1%
Frequently asked
Quick answers about 11901
How many solar installations are there in 11901?
SolarDNA counts 332 active solar installations in Riverhead 11901, 289 of them residential, with data through February 12, 2026.
How much does solar cost in 11901?
The median residential system in 11901 cost $4.84 per watt over the trailing twelve months, $0.69/W above the New York median.
Is solar growing in 11901?
Recent growth cannot be measured yet for 11901: too few recent installs (data runs through February 12, 2026).
Who installs solar in 11901?
TESLA, SUNATION SOLAR SYSTEMS, EASTERN ENERGY SYSTEMS lead the 49 installers with systems in 11901. The full comp set is above.
Is 11901 a good market for solar sales?
11901 scores 46 out of 100 (Great, higher than 71% of U.S. zip markets). With under 500 installations the score is provisional.