Solar installations in Nassau County, NY
12,554 recorded installations in Nassau County, New York — capacity, prices and the installers doing the work.
Dataset updated . Sources: LBNL Tracking the Sun + city permit records + state programs + USGS/EIA utility-scale.
Most active
Top installers in Nassau County
| # | Installer | Installs here |
|---|---|---|
| 1 | Tesla Energy | 2,022 |
| 2 | Sunation Solar Systems | 1,305 |
| 3 | Ny State Solar Dba For Nyss | 922 |
| 4 | Sunrun | 903 |
| 5 | Empower Solar | 789 |
| 6 | Nrg Residential Solar Solutions | 579 |
| 7 | Sunpower | 418 |
| 8 | Level Solar | 361 |
| 9 | Long Island Power Solutions | 252 |
| 10 | Harvest Power | 221 |
Growth
Installations by year
Frequently asked questions
How many homes have solar in Nassau County?
PanelCensus records 12,554 solar installations in Nassau County, New York (161.3 MW of capacity). Dataset coverage depends on New York's reporting programs, so the true total is higher.
How much does solar cost in Nassau County?
The median installed price for recorded systems in Nassau County is $4.40/W pre-incentive; the median system runs 7.4 kW.
Who installs solar in Nassau County?
The most active recorded installers in Nassau County are Tesla Energy, Sunation Solar Systems, Ny State Solar Dba For Nyss.
County assignment is derived from installation ZIP codes via the Census 2020 ZCTA↔county crosswalk (primary county by land-area overlap) — approximate at county boundaries. See methodology.